if (
! empty( $class_name ) &&
! empty( $spacing_rules )
) {
foreach ( $spacing_rules as $spacing_rule ) {
$declarations = array();
if (
isset( $spacing_rule['selector'] ) &&
preg_match( $layout_selector_pattern, $spacing_rule['selector'] ) &&
! empty( $spacing_rule['rules'] )
) {
// Iterate over each of the styling rules and substitute non-string values such as `null` with the real `blockGap` value.
foreach ( $spacing_rule['rules'] as $css_property => $css_value ) {
$current_css_value = is_string( $css_value ) ? $css_value : $block_gap_value;
if ( static::is_safe_css_declaration( $css_property, $current_css_value ) ) {
$declarations[] = array(
'name' => $css_property,
'value' => $current_css_value,
);
}
}
if ( ! $has_block_gap_support ) {
// For fallback gap styles, use lower specificity, to ensure styles do not unintentionally override theme styles.
$format = static::ROOT_BLOCK_SELECTOR === $selector ? ':where(.%2$s%3$s)' : ':where(%1$s.%2$s%3$s)';
$layout_selector = sprintf(
$format,
$selector,
$class_name,
$spacing_rule['selector']
);
} else {
$format = static::ROOT_BLOCK_SELECTOR === $selector ? ':where(%s .%s) %s' : '%s-%s%s';
$layout_selector = sprintf(
$format,
$selector,
$class_name,
$spacing_rule['selector']
);
}
$block_rules .= static::to_ruleset( $layout_selector, $declarations );
}
}
}
}
}
}
// Output base styles.
if (
static::ROOT_BLOCK_SELECTOR === $selector
) {
$valid_display_modes = array( 'block', 'flex', 'grid' );
foreach ( $layout_definitions as $layout_definition ) {
$class_name = isset( $layout_definition['className'] ) ? $layout_definition['className'] : false;
$base_style_rules = isset( $layout_definition['baseStyles'] ) ? $layout_definition['baseStyles'] : array();
if (
! empty( $class_name ) &&
is_array( $base_style_rules )
) {
// Output display mode. This requires special handling as `display` is not exposed in `safe_style_css_filter`.
if (
! empty( $layout_definition['displayMode'] ) &&
is_string( $layout_definition['displayMode'] ) &&
in_array( $layout_definition['displayMode'], $valid_display_modes, true )
) {
$layout_selector = sprintf(
'%s .%s',
$selector,
$class_name
);
$block_rules .= static::to_ruleset(
$layout_selector,
array(
array(
'name' => 'display',
'value' => $layout_definition['displayMode'],
),
)
);
}
foreach ( $base_style_rules as $base_style_rule ) {
$declarations = array();
if (
isset( $base_style_rule['selector'] ) &&
preg_match( $layout_selector_pattern, $base_style_rule['selector'] ) &&
! empty( $base_style_rule['rules'] )
) {
foreach ( $base_style_rule['rules'] as $css_property => $css_value ) {
if ( static::is_safe_css_declaration( $css_property, $css_value ) ) {
$declarations[] = array(
'name' => $css_property,
'value' => $css_value,
);
}
}
$layout_selector = sprintf(
'%s .%s%s',
$selector,
$class_name,
$base_style_rule['selector']
);
$block_rules .= static::to_ruleset( $layout_selector, $declarations );
}
}
}
}
}
return $block_rules;
}
/**
* Creates new rulesets as classes for each preset value such as:
*
* .has-value-color {
* color: value;
* }
*
* .has-value-background-color {
* background-color: value;
* }
*
* .has-value-font-size {
* font-size: value;
* }
*
* .has-value-gradient-background {
* background: value;
* }
*
* p.has-value-gradient-background {
* background: value;
* }
*
* @since 5.9.0
*
* @param array $setting_nodes Nodes with settings.
* @param string[] $origins List of origins to process presets from.
* @return string The new stylesheet.
*/
protected function get_preset_classes( $setting_nodes, $origins ) {
$preset_rules = '';
foreach ( $setting_nodes as $metadata ) {
if ( null === $metadata['selector'] ) {
continue;
}
$selector = $metadata['selector'];
$node = _wp_array_get( $this->theme_json, $metadata['path'], array() );
$preset_rules .= static::compute_preset_classes( $node, $selector, $origins );
}
return $preset_rules;
}
/**
* Converts each styles section into a list of rulesets
* to be appended to the stylesheet.
* These rulesets contain all the css variables (custom variables and preset variables).
*
* See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax
*
* For each section this creates a new ruleset such as:
*
* block-selector {
* --wp--preset--category--slug: value;
* --wp--custom--variable: value;
* }
*
* @since 5.8.0
* @since 5.9.0 Added the `$origins` parameter.
*
* @param array $nodes Nodes with settings.
* @param string[] $origins List of origins to process.
* @return string The new stylesheet.
*/
protected function get_css_variables( $nodes, $origins ) {
$stylesheet = '';
foreach ( $nodes as $metadata ) {
if ( null === $metadata['selector'] ) {
continue;
}
$selector = $metadata['selector'];
$node = _wp_array_get( $this->theme_json, $metadata['path'], array() );
$declarations = static::compute_preset_vars( $node, $origins );
$theme_vars_declarations = static::compute_theme_vars( $node );
foreach ( $theme_vars_declarations as $theme_vars_declaration ) {
$declarations[] = $theme_vars_declaration;
}
$stylesheet .= static::to_ruleset( $selector, $declarations );
}
return $stylesheet;
}
/**
* Given a selector and a declaration list,
* creates the corresponding ruleset.
*
* @since 5.8.0
*
* @param string $selector CSS selector.
* @param array $declarations List of declarations.
* @return string The resulting CSS ruleset.
*/
protected static function to_ruleset( $selector, $declarations ) {
if ( empty( $declarations ) ) {
return '';
}
$declaration_block = array_reduce(
$declarations,
static function ( $carry, $element ) {
return $carry .= $element['name'] . ': ' . $element['value'] . ';'; },
''
);
return $selector . '{' . $declaration_block . '}';
}
/**
* Given a settings array, returns the generated rulesets
* for the preset classes.
*
* @since 5.8.0
* @since 5.9.0 Added the `$origins` parameter.
*
* @param array $settings Settings to process.
* @param string $selector Selector wrapping the classes.
* @param string[] $origins List of origins to process.
* @return string The result of processing the presets.
*/
protected static function compute_preset_classes( $settings, $selector, $origins ) {
if ( static::ROOT_BLOCK_SELECTOR === $selector ) {
/*
* Classes at the global level do not need any CSS prefixed,
* and we don't want to increase its specificity.
*/
$selector = '';
}
$stylesheet = '';
foreach ( static::PRESETS_METADATA as $preset_metadata ) {
if ( empty( $preset_metadata['classes'] ) ) {
continue;
}
$slugs = static::get_settings_slugs( $settings, $preset_metadata, $origins );
foreach ( $preset_metadata['classes'] as $class => $property ) {
foreach ( $slugs as $slug ) {
$css_var = static::replace_slug_in_string( $preset_metadata['css_vars'], $slug );
$class_name = static::replace_slug_in_string( $class, $slug );
// $selector is often empty, so we can save ourselves the `append_to_selector()` call then.
$new_selector = '' === $selector ? $class_name : static::append_to_selector( $selector, $class_name );
$stylesheet .= static::to_ruleset(
$new_selector,
array(
array(
'name' => $property,
'value' => 'var(' . $css_var . ') !important',
),
)
);
}
}
}
return $stylesheet;
}
/**
* Function that scopes a selector with another one. This works a bit like
* SCSS nesting except the `&` operator isn't supported.
*
*
* $scope = '.a, .b .c';
* $selector = '> .x, .y';
* $merged = scope_selector( $scope, $selector );
* // $merged is '.a > .x, .a .y, .b .c > .x, .b .c .y'
*
*
* @since 5.9.0
*
* @param string $scope Selector to scope to.
* @param string $selector Original selector.
* @return string Scoped selector.
*/
public static function scope_selector( $scope, $selector ) {
$scopes = explode( ',', $scope );
$selectors = explode( ',', $selector );
$selectors_scoped = array();
foreach ( $scopes as $outer ) {
foreach ( $selectors as $inner ) {
$outer = trim( $outer );
$inner = trim( $inner );
if ( ! empty( $outer ) && ! empty( $inner ) ) {
$selectors_scoped[] = $outer . ' ' . $inner;
} elseif ( empty( $outer ) ) {
$selectors_scoped[] = $inner;
} elseif ( empty( $inner ) ) {
$selectors_scoped[] = $outer;
}
}
}
$result = implode( ', ', $selectors_scoped );
return $result;
}
/**
* Gets preset values keyed by slugs based on settings and metadata.
*
*
* $settings = array(
* 'typography' => array(
* 'fontFamilies' => array(
* array(
* 'slug' => 'sansSerif',
* 'fontFamily' => '"Helvetica Neue", sans-serif',
* ),
* array(
* 'slug' => 'serif',
* 'colors' => 'Georgia, serif',
* )
* ),
* ),
* );
* $meta = array(
* 'path' => array( 'typography', 'fontFamilies' ),
* 'value_key' => 'fontFamily',
* );
* $values_by_slug = get_settings_values_by_slug();
* // $values_by_slug === array(
* // 'sans-serif' => '"Helvetica Neue", sans-serif',
* // 'serif' => 'Georgia, serif',
* // );
*
*
* @since 5.9.0
*
* @param array $settings Settings to process.
* @param array $preset_metadata One of the PRESETS_METADATA values.
* @param string[] $origins List of origins to process.
* @return array Array of presets where each key is a slug and each value is the preset value.
*/
protected static function get_settings_values_by_slug( $settings, $preset_metadata, $origins ) {
$preset_per_origin = _wp_array_get( $settings, $preset_metadata['path'], array() );
$result = array();
foreach ( $origins as $origin ) {
if ( ! isset( $preset_per_origin[ $origin ] ) ) {
continue;
}
foreach ( $preset_per_origin[ $origin ] as $preset ) {
$slug = _wp_to_kebab_case( $preset['slug'] );
$value = '';
if ( isset( $preset_metadata['value_key'], $preset[ $preset_metadata['value_key'] ] ) ) {
$value_key = $preset_metadata['value_key'];
$value = $preset[ $value_key ];
} elseif (
isset( $preset_metadata['value_func'] ) &&
is_callable( $preset_metadata['value_func'] )
) {
$value_func = $preset_metadata['value_func'];
$value = call_user_func( $value_func, $preset );
} else {
// If we don't have a value, then don't add it to the result.
continue;
}
$result[ $slug ] = $value;
}
}
return $result;
}
/**
* Similar to get_settings_values_by_slug, but doesn't compute the value.
*
* @since 5.9.0
*
* @param array $settings Settings to process.
* @param array $preset_metadata One of the PRESETS_METADATA values.
* @param string[] $origins List of origins to process.
* @return array Array of presets where the key and value are both the slug.
*/
protected static function get_settings_slugs( $settings, $preset_metadata, $origins = null ) {
if ( null === $origins ) {
$origins = static::VALID_ORIGINS;
}
$preset_per_origin = _wp_array_get( $settings, $preset_metadata['path'], array() );
$result = array();
foreach ( $origins as $origin ) {
if ( ! isset( $preset_per_origin[ $origin ] ) ) {
continue;
}
foreach ( $preset_per_origin[ $origin ] as $preset ) {
$slug = _wp_to_kebab_case( $preset['slug'] );
// Use the array as a set so we don't get duplicates.
$result[ $slug ] = $slug;
}
}
return $result;
}
/**
* Transforms a slug into a CSS Custom Property.
*
* @since 5.9.0
*
* @param string $input String to replace.
* @param string $slug The slug value to use to generate the custom property.
* @return string The CSS Custom Property. Something along the lines of `--wp--preset--color--black`.
*/
protected static function replace_slug_in_string( $input, $slug ) {
return strtr( $input, array( '$slug' => $slug ) );
}
/**
* Given the block settings, extracts the CSS Custom Properties
* for the presets and adds them to the $declarations array
* following the format:
*
* array(
* 'name' => 'property_name',
* 'value' => 'property_value,
* )
*
* @since 5.8.0
* @since 5.9.0 Added the `$origins` parameter.
*
* @param array $settings Settings to process.
* @param string[] $origins List of origins to process.
* @return array The modified $declarations.
*/
protected static function compute_preset_vars( $settings, $origins ) {
$declarations = array();
foreach ( static::PRESETS_METADATA as $preset_metadata ) {
if ( empty( $preset_metadata['css_vars'] ) ) {
continue;
}
$values_by_slug = static::get_settings_values_by_slug( $settings, $preset_metadata, $origins );
foreach ( $values_by_slug as $slug => $value ) {
$declarations[] = array(
'name' => static::replace_slug_in_string( $preset_metadata['css_vars'], $slug ),
'value' => $value,
);
}
}
return $declarations;
}
/**
* Given an array of settings, extracts the CSS Custom Properties
* for the custom values and adds them to the $declarations
* array following the format:
*
* array(
* 'name' => 'property_name',
* 'value' => 'property_value,
* )
*
* @since 5.8.0
*
* @param array $settings Settings to process.
* @return array The modified $declarations.
*/
protected static function compute_theme_vars( $settings ) {
$declarations = array();
$custom_values = isset( $settings['custom'] ) ? $settings['custom'] : array();
$css_vars = static::flatten_tree( $custom_values );
foreach ( $css_vars as $key => $value ) {
$declarations[] = array(
'name' => '--wp--custom--' . $key,
'value' => $value,
);
}
return $declarations;
}
/**
* Given a tree, it creates a flattened one
* by merging the keys and binding the leaf values
* to the new keys.
*
* It also transforms camelCase names into kebab-case
* and substitutes '/' by '-'.
*
* This is thought to be useful to generate
* CSS Custom Properties from a tree,
* although there's nothing in the implementation
* of this function that requires that format.
*
* For example, assuming the given prefix is '--wp'
* and the token is '--', for this input tree:
*
* {
* 'some/property': 'value',
* 'nestedProperty': {
* 'sub-property': 'value'
* }
* }
*
* it'll return this output:
*
* {
* '--wp--some-property': 'value',
* '--wp--nested-property--sub-property': 'value'
* }
*
* @since 5.8.0
*
* @param array $tree Input tree to process.
* @param string $prefix Optional. Prefix to prepend to each variable. Default empty string.
* @param string $token Optional. Token to use between levels. Default '--'.
* @return array The flattened tree.
*/
protected static function flatten_tree( $tree, $prefix = '', $token = '--' ) {
$result = array();
foreach ( $tree as $property => $value ) {
$new_key = $prefix . str_replace(
'/',
'-',
strtolower( _wp_to_kebab_case( $property ) )
);
if ( is_array( $value ) ) {
$new_prefix = $new_key . $token;
$flattened_subtree = static::flatten_tree( $value, $new_prefix, $token );
foreach ( $flattened_subtree as $subtree_key => $subtree_value ) {
$result[ $subtree_key ] = $subtree_value;
}
} else {
$result[ $new_key ] = $value;
}
}
return $result;
}
/**
* Given a styles array, it extracts the style properties
* and adds them to the $declarations array following the format:
*
* array(
* 'name' => 'property_name',
* 'value' => 'property_value,
* )
*
* @since 5.8.0
* @since 5.9.0 Added the `$settings` and `$properties` parameters.
* @since 6.1.0 Added `$theme_json`, `$selector`, and `$use_root_padding` parameters.
*
* @param array $styles Styles to process.
* @param array $settings Theme settings.
* @param array $properties Properties metadata.
* @param array $theme_json Theme JSON array.
* @param string $selector The style block selector.
* @param boolean $use_root_padding Whether to add custom properties at root level.
* @return array Returns the modified $declarations.
*/
protected static function compute_style_properties( $styles, $settings = array(), $properties = null, $theme_json = null, $selector = null, $use_root_padding = null ) {
if ( null === $properties ) {
$properties = static::PROPERTIES_METADATA;
}
$declarations = array();
if ( empty( $styles ) ) {
return $declarations;
}
$root_variable_duplicates = array();
foreach ( $properties as $css_property => $value_path ) {
$value = static::get_property_value( $styles, $value_path, $theme_json );
if ( str_starts_with( $css_property, '--wp--style--root--' ) && ( static::ROOT_BLOCK_SELECTOR !== $selector || ! $use_root_padding ) ) {
continue;
}
/*
* Root-level padding styles don't currently support strings with CSS shorthand values.
* This may change: https://github.com/WordPress/gutenberg/issues/40132.
*/
if ( '--wp--style--root--padding' === $css_property && is_string( $value ) ) {
continue;
}
if ( str_starts_with( $css_property, '--wp--style--root--' ) && $use_root_padding ) {
$root_variable_duplicates[] = substr( $css_property, strlen( '--wp--style--root--' ) );
}
/*
* Look up protected properties, keyed by value path.
* Skip protected properties that are explicitly set to `null`.
*/
if ( is_array( $value_path ) ) {
$path_string = implode( '.', $value_path );
if (
isset( static::PROTECTED_PROPERTIES[ $path_string ] ) &&
_wp_array_get( $settings, static::PROTECTED_PROPERTIES[ $path_string ], null ) === null
) {
continue;
}
}
// Skip if empty and not "0" or value represents array of longhand values.
$has_missing_value = empty( $value ) && ! is_numeric( $value );
if ( $has_missing_value || is_array( $value ) ) {
continue;
}
// Calculates fluid typography rules where available.
if ( 'font-size' === $css_property ) {
/*
* wp_get_typography_font_size_value() will check
* if fluid typography has been activated and also
* whether the incoming value can be converted to a fluid value.
* Values that already have a clamp() function will not pass the test,
* and therefore the original $value will be returned.
*/
$value = wp_get_typography_font_size_value( array( 'size' => $value ) );
}
$declarations[] = array(
'name' => $css_property,
'value' => $value,
);
}
// If a variable value is added to the root, the corresponding property should be removed.
foreach ( $root_variable_duplicates as $duplicate ) {
$discard = array_search( $duplicate, array_column( $declarations, 'name' ), true );
if ( is_numeric( $discard ) ) {
array_splice( $declarations, $discard, 1 );
}
}
return $declarations;
}
/**
* Returns the style property for the given path.
*
* It also converts references to a path to the value
* stored at that location, e.g.
* { "ref": "style.color.background" } => "#fff".
*
* @since 5.8.0
* @since 5.9.0 Added support for values of array type, which are returned as is.
* @since 6.1.0 Added the `$theme_json` parameter.
* @since 6.3.0 It no longer converts the internal format "var:preset|color|secondary"
* to the standard form "--wp--preset--color--secondary".
* This is already done by the sanitize method,
* so every property will be in the standard form.
*
* @param array $styles Styles subtree.
* @param array $path Which property to process.
* @param array $theme_json Theme JSON array.
* @return string|array Style property value.
*/
protected static function get_property_value( $styles, $path, $theme_json = null ) {
$value = _wp_array_get( $styles, $path, '' );
if ( '' === $value || null === $value ) {
// No need to process the value further.
return '';
}
/*
* This converts references to a path to the value at that path
* where the values is an array with a "ref" key, pointing to a path.
* For example: { "ref": "style.color.background" } => "#fff".
*/
if ( is_array( $value ) && isset( $value['ref'] ) ) {
$value_path = explode( '.', $value['ref'] );
$ref_value = _wp_array_get( $theme_json, $value_path );
// Only use the ref value if we find anything.
if ( ! empty( $ref_value ) && is_string( $ref_value ) ) {
$value = $ref_value;
}
if ( is_array( $ref_value ) && isset( $ref_value['ref'] ) ) {
$path_string = json_encode( $path );
$ref_value_string = json_encode( $ref_value );
_doing_it_wrong(
'get_property_value',
sprintf(
/* translators: 1: theme.json, 2: Value name, 3: Value path, 4: Another value name. */
__( 'Your %1$s file uses a dynamic value (%2$s) for the path at %3$s. However, the value at %3$s is also a dynamic value (pointing to %4$s) and pointing to another dynamic value is not supported. Please update %3$s to point directly to %4$s.' ),
'theme.json',
$ref_value_string,
$path_string,
$ref_value['ref']
),
'6.1.0'
);
}
}
if ( is_array( $value ) ) {
return $value;
}
return $value;
}
/**
* Builds metadata for the setting nodes, which returns in the form of:
*
* [
* [
* 'path' => ['path', 'to', 'some', 'node' ],
* 'selector' => 'CSS selector for some node'
* ],
* [
* 'path' => [ 'path', 'to', 'other', 'node' ],
* 'selector' => 'CSS selector for other node'
* ],
* ]
*
* @since 5.8.0
*
* @param array $theme_json The tree to extract setting nodes from.
* @param array $selectors List of selectors per block.
* @return array An array of setting nodes metadata.
*/
protected static function get_setting_nodes( $theme_json, $selectors = array() ) {
$nodes = array();
if ( ! isset( $theme_json['settings'] ) ) {
return $nodes;
}
// Top-level.
$nodes[] = array(
'path' => array( 'settings' ),
'selector' => static::ROOT_BLOCK_SELECTOR,
);
// Calculate paths for blocks.
if ( ! isset( $theme_json['settings']['blocks'] ) ) {
return $nodes;
}
foreach ( $theme_json['settings']['blocks'] as $name => $node ) {
$selector = null;
if ( isset( $selectors[ $name ]['selector'] ) ) {
$selector = $selectors[ $name ]['selector'];
}
$nodes[] = array(
'path' => array( 'settings', 'blocks', $name ),
'selector' => $selector,
);
}
return $nodes;
}
/**
* Builds metadata for the style nodes, which returns in the form of:
*
* [
* [
* 'path' => [ 'path', 'to', 'some', 'node' ],
* 'selector' => 'CSS selector for some node',
* 'duotone' => 'CSS selector for duotone for some node'
* ],
* [
* 'path' => ['path', 'to', 'other', 'node' ],
* 'selector' => 'CSS selector for other node',
* 'duotone' => null
* ],
* ]
*
* @since 5.8.0
*
* @param array $theme_json The tree to extract style nodes from.
* @param array $selectors List of selectors per block.
* @return array An array of style nodes metadata.
*/
protected static function get_style_nodes( $theme_json, $selectors = array() ) {
$nodes = array();
if ( ! isset( $theme_json['styles'] ) ) {
return $nodes;
}
// Top-level.
$nodes[] = array(
'path' => array( 'styles' ),
'selector' => static::ROOT_BLOCK_SELECTOR,
);
if ( isset( $theme_json['styles']['elements'] ) ) {
foreach ( self::ELEMENTS as $element => $selector ) {
if ( ! isset( $theme_json['styles']['elements'][ $element ] ) ) {
continue;
}
$nodes[] = array(
'path' => array( 'styles', 'elements', $element ),
'selector' => static::ELEMENTS[ $element ],
);
// Handle any pseudo selectors for the element.
if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] ) ) {
foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) {
if ( isset( $theme_json['styles']['elements'][ $element ][ $pseudo_selector ] ) ) {
$nodes[] = array(
'path' => array( 'styles', 'elements', $element ),
'selector' => static::append_to_selector( static::ELEMENTS[ $element ], $pseudo_selector ),
);
}
}
}
}
}
// Blocks.
if ( ! isset( $theme_json['styles']['blocks'] ) ) {
return $nodes;
}
$block_nodes = static::get_block_nodes( $theme_json );
foreach ( $block_nodes as $block_node ) {
$nodes[] = $block_node;
}
/**
* Filters the list of style nodes with metadata.
*
* This allows for things like loading block CSS independently.
*
* @since 6.1.0
*
* @param array $nodes Style nodes with metadata.
*/
return apply_filters( 'wp_theme_json_get_style_nodes', $nodes );
}
/**
* A public helper to get the block nodes from a theme.json file.
*
* @since 6.1.0
*
* @return array The block nodes in theme.json.
*/
public function get_styles_block_nodes() {
return static::get_block_nodes( $this->theme_json );
}
/**
* Returns a filtered declarations array if there is a separator block with only a background
* style defined in theme.json by adding a color attribute to reflect the changes in the front.
*
* @since 6.1.1
*
* @param array $declarations List of declarations.
* @return array $declarations List of declarations filtered.
*/
private static function update_separator_declarations( $declarations ) {
$background_color = '';
$border_color_matches = false;
$text_color_matches = false;
foreach ( $declarations as $declaration ) {
if ( 'background-color' === $declaration['name'] && ! $background_color && isset( $declaration['value'] ) ) {
$background_color = $declaration['value'];
} elseif ( 'border-color' === $declaration['name'] ) {
$border_color_matches = true;
} elseif ( 'color' === $declaration['name'] ) {
$text_color_matches = true;
}
if ( $background_color && $border_color_matches && $text_color_matches ) {
break;
}
}
if ( $background_color && ! $border_color_matches && ! $text_color_matches ) {
$declarations[] = array(
'name' => 'color',
'value' => $background_color,
);
}
return $declarations;
}
/**
* An internal method to get the block nodes from a theme.json file.
*
* @since 6.1.0
* @since 6.3.0 Refactored and stabilized selectors API.
*
* @param array $theme_json The theme.json converted to an array.
* @return array The block nodes in theme.json.
*/
private static function get_block_nodes( $theme_json ) {
$selectors = static::get_blocks_metadata();
$nodes = array();
if ( ! isset( $theme_json['styles'] ) ) {
return $nodes;
}
// Blocks.
if ( ! isset( $theme_json['styles']['blocks'] ) ) {
return $nodes;
}
foreach ( $theme_json['styles']['blocks'] as $name => $node ) {
$selector = null;
if ( isset( $selectors[ $name ]['selector'] ) ) {
$selector = $selectors[ $name ]['selector'];
}
$duotone_selector = null;
if ( isset( $selectors[ $name ]['duotone'] ) ) {
$duotone_selector = $selectors[ $name ]['duotone'];
}
$feature_selectors = null;
if ( isset( $selectors[ $name ]['selectors'] ) ) {
$feature_selectors = $selectors[ $name ]['selectors'];
}
$variation_selectors = array();
if ( isset( $node['variations'] ) ) {
foreach ( $node['variations'] as $variation => $node ) {
$variation_selectors[] = array(
'path' => array( 'styles', 'blocks', $name, 'variations', $variation ),
'selector' => $selectors[ $name ]['styleVariations'][ $variation ],
);
}
}
$nodes[] = array(
'name' => $name,
'path' => array( 'styles', 'blocks', $name ),
'selector' => $selector,
'selectors' => $feature_selectors,
'duotone' => $duotone_selector,
'features' => $feature_selectors,
'variations' => $variation_selectors,
);
if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'] ) ) {
foreach ( $theme_json['styles']['blocks'][ $name ]['elements'] as $element => $node ) {
$nodes[] = array(
'path' => array( 'styles', 'blocks', $name, 'elements', $element ),
'selector' => $selectors[ $name ]['elements'][ $element ],
);
// Handle any pseudo selectors for the element.
if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] ) ) {
foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) {
if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'][ $element ][ $pseudo_selector ] ) ) {
$nodes[] = array(
'path' => array( 'styles', 'blocks', $name, 'elements', $element ),
'selector' => static::append_to_selector( $selectors[ $name ]['elements'][ $element ], $pseudo_selector ),
);
}
}
}
}
}
}
return $nodes;
}
/**
* Gets the CSS rules for a particular block from theme.json.
*
* @since 6.1.0
*
* @param array $block_metadata Metadata about the block to get styles for.
*
* @return string Styles for the block.
*/
public function get_styles_for_block( $block_metadata ) {
$node = _wp_array_get( $this->theme_json, $block_metadata['path'], array() );
$use_root_padding = isset( $this->theme_json['settings']['useRootPaddingAwareAlignments'] ) && true === $this->theme_json['settings']['useRootPaddingAwareAlignments'];
$selector = $block_metadata['selector'];
$settings = isset( $this->theme_json['settings'] ) ? $this->theme_json['settings'] : array();
$feature_declarations = static::get_feature_declarations_for_node( $block_metadata, $node );
// If there are style variations, generate the declarations for them, including any feature selectors the block may have.
$style_variation_declarations = array();
if ( ! empty( $block_metadata['variations'] ) ) {
foreach ( $block_metadata['variations'] as $style_variation ) {
$style_variation_node = _wp_array_get( $this->theme_json, $style_variation['path'], array() );
$clean_style_variation_selector = trim( $style_variation['selector'] );
// Generate any feature/subfeature style declarations for the current style variation.
$variation_declarations = static::get_feature_declarations_for_node( $block_metadata, $style_variation_node );
// Combine selectors with style variation's selector and add to overall style variation declarations.
foreach ( $variation_declarations as $current_selector => $new_declarations ) {
// If current selector includes block classname, remove it but leave the whitespace in.
$shortened_selector = str_replace( $block_metadata['selector'] . ' ', ' ', $current_selector );
// Prepend the variation selector to the current selector.
$split_selectors = explode( ',', $shortened_selector );
$updated_selectors = array_map(
static function ( $split_selector ) use ( $clean_style_variation_selector ) {
return $clean_style_variation_selector . $split_selector;
},
$split_selectors
);
$combined_selectors = implode( ',', $updated_selectors );
// Add the new declarations to the overall results under the modified selector.
$style_variation_declarations[ $combined_selectors ] = $new_declarations;
}
// Compute declarations for remaining styles not covered by feature level selectors.
$style_variation_declarations[ $style_variation['selector'] ] = static::compute_style_properties( $style_variation_node, $settings, null, $this->theme_json );
}
}
/*
* Get a reference to element name from path.
* $block_metadata['path'] = array( 'styles','elements','link' );
* Make sure that $block_metadata['path'] describes an element node, like [ 'styles', 'element', 'link' ].
* Skip non-element paths like just ['styles'].
*/
$is_processing_element = in_array( 'elements', $block_metadata['path'], true );
$current_element = $is_processing_element ? $block_metadata['path'][ count( $block_metadata['path'] ) - 1 ] : null;
$element_pseudo_allowed = array();
if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] ) ) {
$element_pseudo_allowed = static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ];
}
/*
* Check for allowed pseudo classes (e.g. ":hover") from the $selector ("a:hover").
* This also resets the array keys.
*/
$pseudo_matches = array_values(
array_filter(
$element_pseudo_allowed,
static function ( $pseudo_selector ) use ( $selector ) {
return str_contains( $selector, $pseudo_selector );
}
)
);
$pseudo_selector = isset( $pseudo_matches[0] ) ? $pseudo_matches[0] : null;
/*
* If the current selector is a pseudo selector that's defined in the allow list for the current
* element then compute the style properties for it.
* Otherwise just compute the styles for the default selector as normal.
*/
if ( $pseudo_selector && isset( $node[ $pseudo_selector ] ) &&
isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] )
&& in_array( $pseudo_selector, static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ], true )
) {
$declarations = static::compute_style_properties( $node[ $pseudo_selector ], $settings, null, $this->theme_json, $selector, $use_root_padding );
} else {
$declarations = static::compute_style_properties( $node, $settings, null, $this->theme_json, $selector, $use_root_padding );
}
$block_rules = '';
/*
* 1. Separate the declarations that use the general selector
* from the ones using the duotone selector.
*/
$declarations_duotone = array();
foreach ( $declarations as $index => $declaration ) {
if ( 'filter' === $declaration['name'] ) {
unset( $declarations[ $index ] );
$declarations_duotone[] = $declaration;
}
}
// Update declarations if there are separators with only background color defined.
if ( '.wp-block-separator' === $selector ) {
$declarations = static::update_separator_declarations( $declarations );
}
// 2. Generate and append the rules that use the general selector.
$block_rules .= static::to_ruleset( $selector, $declarations );
// 3. Generate and append the rules that use the duotone selector.
if ( isset( $block_metadata['duotone'] ) && ! empty( $declarations_duotone ) ) {
$block_rules .= static::to_ruleset( $block_metadata['duotone'], $declarations_duotone );
}
// 4. Generate Layout block gap styles.
if (
static::ROOT_BLOCK_SELECTOR !== $selector &&
! empty( $block_metadata['name'] )
) {
$block_rules .= $this->get_layout_styles( $block_metadata );
}
// 5. Generate and append the feature level rulesets.
foreach ( $feature_declarations as $feature_selector => $individual_feature_declarations ) {
$block_rules .= static::to_ruleset( $feature_selector, $individual_feature_declarations );
}
// 6. Generate and append the style variation rulesets.
foreach ( $style_variation_declarations as $style_variation_selector => $individual_style_variation_declarations ) {
$block_rules .= static::to_ruleset( $style_variation_selector, $individual_style_variation_declarations );
}
return $block_rules;
}
/**
* Outputs the CSS for layout rules on the root.
*
* @since 6.1.0
*
* @param string $selector The root node selector.
* @param array $block_metadata The metadata for the root block.
* @return string The additional root rules CSS.
*/
public function get_root_layout_rules( $selector, $block_metadata ) {
$css = '';
$settings = isset( $this->theme_json['settings'] ) ? $this->theme_json['settings'] : array();
$use_root_padding = isset( $this->theme_json['settings']['useRootPaddingAwareAlignments'] ) && true === $this->theme_json['settings']['useRootPaddingAwareAlignments'];
/*
* Reset default browser margin on the root body element.
* This is set on the root selector **before** generating the ruleset
* from the `theme.json`. This is to ensure that if the `theme.json` declares
* `margin` in its `spacing` declaration for the `body` element then these
* user-generated values take precedence in the CSS cascade.
* @link https://github.com/WordPress/gutenberg/issues/36147.
*/
$css .= 'body { margin: 0;';
/*
* If there are content and wide widths in theme.json, output them
* as custom properties on the body element so all blocks can use them.
*/
if ( isset( $settings['layout']['contentSize'] ) || isset( $settings['layout']['wideSize'] ) ) {
$content_size = isset( $settings['layout']['contentSize'] ) ? $settings['layout']['contentSize'] : $settings['layout']['wideSize'];
$content_size = static::is_safe_css_declaration( 'max-width', $content_size ) ? $content_size : 'initial';
$wide_size = isset( $settings['layout']['wideSize'] ) ? $settings['layout']['wideSize'] : $settings['layout']['contentSize'];
$wide_size = static::is_safe_css_declaration( 'max-width', $wide_size ) ? $wide_size : 'initial';
$css .= '--wp--style--global--content-size: ' . $content_size . ';';
$css .= '--wp--style--global--wide-size: ' . $wide_size . ';';
}
$css .= ' }';
if ( $use_root_padding ) {
// Top and bottom padding are applied to the outer block container.
$css .= '.wp-site-blocks { padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom); }';
// Right and left padding are applied to the first container with `.has-global-padding` class.
$css .= '.has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }';
// Nested containers with `.has-global-padding` class do not get padding.
$css .= '.has-global-padding :where(.has-global-padding:not(.wp-block-block)) { padding-right: 0; padding-left: 0; }';
// Alignfull children of the container with left and right padding have negative margins so they can still be full width.
$css .= '.has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); }';
// The above rule is negated for alignfull children of nested containers.
$css .= '.has-global-padding :where(.has-global-padding:not(.wp-block-block)) > .alignfull { margin-right: 0; margin-left: 0; }';
// Some of the children of alignfull blocks without content width should also get padding: text blocks and non-alignfull container blocks.
$css .= '.has-global-padding > .alignfull:where(:not(.has-global-padding):not(.is-layout-flex):not(.is-layout-grid)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }';
// The above rule also has to be negated for blocks inside nested `.has-global-padding` blocks.
$css .= '.has-global-padding :where(.has-global-padding) > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: 0; padding-left: 0; }';
}
$css .= '.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }';
$css .= '.wp-site-blocks > .alignright { float: right; margin-left: 2em; }';
$css .= '.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
$block_gap_value = isset( $this->theme_json['styles']['spacing']['blockGap'] ) ? $this->theme_json['styles']['spacing']['blockGap'] : '0.5em';
$has_block_gap_support = isset( $this->theme_json['settings']['spacing']['blockGap'] );
if ( $has_block_gap_support ) {
$block_gap_value = static::get_property_value( $this->theme_json, array( 'styles', 'spacing', 'blockGap' ) );
$css .= ":where(.wp-site-blocks) > * { margin-block-start: $block_gap_value; margin-block-end: 0; }";
$css .= ':where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }';
$css .= ':where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }';
// For backwards compatibility, ensure the legacy block gap CSS variable is still available.
$css .= "$selector { --wp--style--block-gap: $block_gap_value; }";
}
$css .= $this->get_layout_styles( $block_metadata );
return $css;
}
/**
* For metadata values that can either be booleans or paths to booleans, gets the value.
*
* $data = array(
* 'color' => array(
* 'defaultPalette' => true
* )
* );
*
* static::get_metadata_boolean( $data, false );
* // => false
*
* static::get_metadata_boolean( $data, array( 'color', 'defaultPalette' ) );
* // => true
*
* @since 6.0.0
*
* @param array $data The data to inspect.
* @param bool|array $path Boolean or path to a boolean.
* @param bool $default_value Default value if the referenced path is missing.
* Default false.
* @return bool Value of boolean metadata.
*/
protected static function get_metadata_boolean( $data, $path, $default_value = false ) {
if ( is_bool( $path ) ) {
return $path;
}
if ( is_array( $path ) ) {
$value = _wp_array_get( $data, $path );
if ( null !== $value ) {
return $value;
}
}
return $default_value;
}
/**
* Merges new incoming data.
*
* @since 5.8.0
* @since 5.9.0 Duotone preset also has origins.
*
* @param WP_Theme_JSON $incoming Data to merge.
*/
public function merge( $incoming ) {
$incoming_data = $incoming->get_raw_data();
$this->theme_json = array_replace_recursive( $this->theme_json, $incoming_data );
/*
* The array_replace_recursive algorithm merges at the leaf level,
* but we don't want leaf arrays to be merged, so we overwrite it.
*
* For leaf values that are sequential arrays it will use the numeric indexes for replacement.
* We rather replace the existing with the incoming value, if it exists.
* This is the case of spacing.units.
*
* For leaf values that are associative arrays it will merge them as expected.
* This is also not the behavior we want for the current associative arrays (presets).
* We rather replace the existing with the incoming value, if it exists.
* This happens, for example, when we merge data from theme.json upon existing
* theme supports or when we merge anything coming from the same source twice.
* This is the case of color.palette, color.gradients, color.duotone,
* typography.fontSizes, or typography.fontFamilies.
*
* Additionally, for some preset types, we also want to make sure the
* values they introduce don't conflict with default values. We do so
* by checking the incoming slugs for theme presets and compare them
* with the equivalent default presets: if a slug is present as a default
* we remove it from the theme presets.
*/
$nodes = static::get_setting_nodes( $incoming_data );
$slugs_global = static::get_default_slugs( $this->theme_json, array( 'settings' ) );
foreach ( $nodes as $node ) {
// Replace the spacing.units.
$path = $node['path'];
$path[] = 'spacing';
$path[] = 'units';
$content = _wp_array_get( $incoming_data, $path, null );
if ( isset( $content ) ) {
_wp_array_set( $this->theme_json, $path, $content );
}
// Replace the presets.
foreach ( static::PRESETS_METADATA as $preset ) {
$override_preset = ! static::get_metadata_boolean( $this->theme_json['settings'], $preset['prevent_override'], true );
foreach ( static::VALID_ORIGINS as $origin ) {
$base_path = $node['path'];
foreach ( $preset['path'] as $leaf ) {
$base_path[] = $leaf;
}
$path = $base_path;
$path[] = $origin;
$content = _wp_array_get( $incoming_data, $path, null );
if ( ! isset( $content ) ) {
continue;
}
if ( 'theme' === $origin && $preset['use_default_names'] ) {
foreach ( $content as $key => $item ) {
if ( ! isset( $item['name'] ) ) {
$name = static::get_name_from_defaults( $item['slug'], $base_path );
if ( null !== $name ) {
$content[ $key ]['name'] = $name;
}
}
}
}
if (
( 'theme' !== $origin ) ||
( 'theme' === $origin && $override_preset )
) {
_wp_array_set( $this->theme_json, $path, $content );
} else {
$slugs_node = static::get_default_slugs( $this->theme_json, $node['path'] );
$slugs = array_merge_recursive( $slugs_global, $slugs_node );
$slugs_for_preset = _wp_array_get( $slugs, $preset['path'], array() );
$content = static::filter_slugs( $content, $slugs_for_preset );
_wp_array_set( $this->theme_json, $path, $content );
}
}
}
}
}
/**
* Converts all filter (duotone) presets into SVGs.
*
* @since 5.9.1
*
* @param array $origins List of origins to process.
* @return string SVG filters.
*/
public function get_svg_filters( $origins ) {
$blocks_metadata = static::get_blocks_metadata();
$setting_nodes = static::get_setting_nodes( $this->theme_json, $blocks_metadata );
$filters = '';
foreach ( $setting_nodes as $metadata ) {
$node = _wp_array_get( $this->theme_json, $metadata['path'], array() );
if ( empty( $node['color']['duotone'] ) ) {
continue;
}
$duotone_presets = $node['color']['duotone'];
foreach ( $origins as $origin ) {
if ( ! isset( $duotone_presets[ $origin ] ) ) {
continue;
}
foreach ( $duotone_presets[ $origin ] as $duotone_preset ) {
$filters .= wp_get_duotone_filter_svg( $duotone_preset );
}
}
}
return $filters;
}
/**
* Determines whether a presets should be overridden or not.
*
* @since 5.9.0
* @deprecated 6.0.0 Use {@see 'get_metadata_boolean'} instead.
*
* @param array $theme_json The theme.json like structure to inspect.
* @param array $path Path to inspect.
* @param bool|array $override Data to compute whether to override the preset.
* @return bool
*/
protected static function should_override_preset( $theme_json, $path, $override ) {
_deprecated_function( __METHOD__, '6.0.0', 'get_metadata_boolean' );
if ( is_bool( $override ) ) {
return $override;
}
/*
* The relationship between whether to override the defaults
* and whether the defaults are enabled is inverse:
*
* - If defaults are enabled => theme presets should not be overridden
* - If defaults are disabled => theme presets should be overridden
*
* For example, a theme sets defaultPalette to false,
* making the default palette hidden from the user.
* In that case, we want all the theme presets to be present,
* so they should override the defaults.
*/
if ( is_array( $override ) ) {
$value = _wp_array_get( $theme_json, array_merge( $path, $override ) );
if ( isset( $value ) ) {
return ! $value;
}
// Search the top-level key if none was found for this node.
$value = _wp_array_get( $theme_json, array_merge( array( 'settings' ), $override ) );
if ( isset( $value ) ) {
return ! $value;
}
return true;
}
}
/**
* Returns the default slugs for all the presets in an associative array
* whose keys are the preset paths and the leafs is the list of slugs.
*
* For example:
*
* array(
* 'color' => array(
* 'palette' => array( 'slug-1', 'slug-2' ),
* 'gradients' => array( 'slug-3', 'slug-4' ),
* ),
* )
*
* @since 5.9.0
*
* @param array $data A theme.json like structure.
* @param array $node_path The path to inspect. It's 'settings' by default.
* @return array
*/
protected static function get_default_slugs( $data, $node_path ) {
$slugs = array();
foreach ( static::PRESETS_METADATA as $metadata ) {
$path = $node_path;
foreach ( $metadata['path'] as $leaf ) {
$path[] = $leaf;
}
$path[] = 'default';
$preset = _wp_array_get( $data, $path, null );
if ( ! isset( $preset ) ) {
continue;
}
$slugs_for_preset = array();
foreach ( $preset as $item ) {
if ( isset( $item['slug'] ) ) {
$slugs_for_preset[] = $item['slug'];
}
}
_wp_array_set( $slugs, $metadata['path'], $slugs_for_preset );
}
return $slugs;
}
/**
* Gets a `default`'s preset name by a provided slug.
*
* @since 5.9.0
*
* @param string $slug The slug we want to find a match from default presets.
* @param array $base_path The path to inspect. It's 'settings' by default.
* @return string|null
*/
protected function get_name_from_defaults( $slug, $base_path ) {
$path = $base_path;
$path[] = 'default';
$default_content = _wp_array_get( $this->theme_json, $path, null );
if ( ! $default_content ) {
return null;
}
foreach ( $default_content as $item ) {
if ( $slug === $item['slug'] ) {
return $item['name'];
}
}
return null;
}
/**
* Removes the preset values whose slug is equal to any of given slugs.
*
* @since 5.9.0
*
* @param array $node The node with the presets to validate.
* @param array $slugs The slugs that should not be overridden.
* @return array The new node.
*/
protected static function filter_slugs( $node, $slugs ) {
if ( empty( $slugs ) ) {
return $node;
}
$new_node = array();
foreach ( $node as $value ) {
if ( isset( $value['slug'] ) && ! in_array( $value['slug'], $slugs, true ) ) {
$new_node[] = $value;
}
}
return $new_node;
}
/**
* Removes insecure data from theme.json.
*
* @since 5.9.0
* @since 6.3.2 Preserves global styles block variations when securing styles.
*
* @param array $theme_json Structure to sanitize.
* @return array Sanitized structure.
*/
public static function remove_insecure_properties( $theme_json ) {
$sanitized = array();
$theme_json = WP_Theme_JSON_Schema::migrate( $theme_json );
$valid_block_names = array_keys( static::get_blocks_metadata() );
$valid_element_names = array_keys( static::ELEMENTS );
$valid_variations = array();
foreach ( self::get_blocks_metadata() as $block_name => $block_meta ) {
if ( ! isset( $block_meta['styleVariations'] ) ) {
continue;
}
$valid_variations[ $block_name ] = array_keys( $block_meta['styleVariations'] );
}
$theme_json = static::sanitize( $theme_json, $valid_block_names, $valid_element_names, $valid_variations );
$blocks_metadata = static::get_blocks_metadata();
$style_nodes = static::get_style_nodes( $theme_json, $blocks_metadata );
foreach ( $style_nodes as $metadata ) {
$input = _wp_array_get( $theme_json, $metadata['path'], array() );
if ( empty( $input ) ) {
continue;
}
// The global styles custom CSS is not sanitized, but can only be edited by users with 'edit_css' capability.
if ( isset( $input['css'] ) && current_user_can( 'edit_css' ) ) {
$output = $input;
} else {
$output = static::remove_insecure_styles( $input );
}
/*
* Get a reference to element name from path.
* $metadata['path'] = array( 'styles', 'elements', 'link' );
*/
$current_element = $metadata['path'][ count( $metadata['path'] ) - 1 ];
/*
* $output is stripped of pseudo selectors. Re-add and process them
* or insecure styles here.
*/
if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] ) ) {
foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] as $pseudo_selector ) {
if ( isset( $input[ $pseudo_selector ] ) ) {
$output[ $pseudo_selector ] = static::remove_insecure_styles( $input[ $pseudo_selector ] );
}
}
}
if ( ! empty( $output ) ) {
_wp_array_set( $sanitized, $metadata['path'], $output );
}
if ( isset( $metadata['variations'] ) ) {
foreach ( $metadata['variations'] as $variation ) {
$variation_input = _wp_array_get( $theme_json, $variation['path'], array() );
if ( empty( $variation_input ) ) {
continue;
}
$variation_output = static::remove_insecure_styles( $variation_input );
if ( ! empty( $variation_output ) ) {
_wp_array_set( $sanitized, $variation['path'], $variation_output );
}
}
}
}
$setting_nodes = static::get_setting_nodes( $theme_json );
foreach ( $setting_nodes as $metadata ) {
$input = _wp_array_get( $theme_json, $metadata['path'], array() );
if ( empty( $input ) ) {
continue;
}
$output = static::remove_insecure_settings( $input );
if ( ! empty( $output ) ) {
_wp_array_set( $sanitized, $metadata['path'], $output );
}
}
if ( empty( $sanitized['styles'] ) ) {
unset( $theme_json['styles'] );
} else {
$theme_json['styles'] = $sanitized['styles'];
}
if ( empty( $sanitized['settings'] ) ) {
unset( $theme_json['settings'] );
} else {
$theme_json['settings'] = $sanitized['settings'];
}
return $theme_json;
}
/**
* Processes a setting node and returns the same node
* without the insecure settings.
*
* @since 5.9.0
*
* @param array $input Node to process.
* @return array
*/
protected static function remove_insecure_settings( $input ) {
$output = array();
foreach ( static::PRESETS_METADATA as $preset_metadata ) {
foreach ( static::VALID_ORIGINS as $origin ) {
$path_with_origin = $preset_metadata['path'];
$path_with_origin[] = $origin;
$presets = _wp_array_get( $input, $path_with_origin, null );
if ( null === $presets ) {
continue;
}
$escaped_preset = array();
foreach ( $presets as $preset ) {
if (
esc_attr( esc_html( $preset['name'] ) ) === $preset['name'] &&
sanitize_html_class( $preset['slug'] ) === $preset['slug']
) {
$value = null;
if ( isset( $preset_metadata['value_key'], $preset[ $preset_metadata['value_key'] ] ) ) {
$value = $preset[ $preset_metadata['value_key'] ];
} elseif (
isset( $preset_metadata['value_func'] ) &&
is_callable( $preset_metadata['value_func'] )
) {
$value = call_user_func( $preset_metadata['value_func'], $preset );
}
$preset_is_valid = true;
foreach ( $preset_metadata['properties'] as $property ) {
if ( ! static::is_safe_css_declaration( $property, $value ) ) {
$preset_is_valid = false;
break;
}
}
if ( $preset_is_valid ) {
$escaped_preset[] = $preset;
}
}
}
if ( ! empty( $escaped_preset ) ) {
_wp_array_set( $output, $path_with_origin, $escaped_preset );
}
}
}
// Ensure indirect properties not included in any `PRESETS_METADATA` value are allowed.
static::remove_indirect_properties( $input, $output );
return $output;
}
/**
* Processes a style node and returns the same node
* without the insecure styles.
*
* @since 5.9.0
*
* @param array $input Node to process.
* @return array
*/
protected static function remove_insecure_styles( $input ) {
$output = array();
$declarations = static::compute_style_properties( $input );
foreach ( $declarations as $declaration ) {
if ( static::is_safe_css_declaration( $declaration['name'], $declaration['value'] ) ) {
$path = static::PROPERTIES_METADATA[ $declaration['name'] ];
/*
* Check the value isn't an array before adding so as to not
* double up shorthand and longhand styles.
*/
$value = _wp_array_get( $input, $path, array() );
if ( ! is_array( $value ) ) {
_wp_array_set( $output, $path, $value );
}
}
}
// Ensure indirect properties not handled by `compute_style_properties` are allowed.
static::remove_indirect_properties( $input, $output );
return $output;
}
/**
* Checks that a declaration provided by the user is safe.
*
* @since 5.9.0
*
* @param string $property_name Property name in a CSS declaration, i.e. the `color` in `color: red`.
* @param string $property_value Value in a CSS declaration, i.e. the `red` in `color: red`.
* @return bool
*/
protected static function is_safe_css_declaration( $property_name, $property_value ) {
$style_to_validate = $property_name . ': ' . $property_value;
$filtered = esc_html( safecss_filter_attr( $style_to_validate ) );
return ! empty( trim( $filtered ) );
}
/**
* Removes indirect properties from the given input node and
* sets in the given output node.
*
* @since 6.2.0
*
* @param array $input Node to process.
* @param array $output The processed node. Passed by reference.
*/
private static function remove_indirect_properties( $input, &$output ) {
foreach ( static::INDIRECT_PROPERTIES_METADATA as $property => $paths ) {
foreach ( $paths as $path ) {
$value = _wp_array_get( $input, $path );
if (
is_string( $value ) &&
static::is_safe_css_declaration( $property, $value )
) {
_wp_array_set( $output, $path, $value );
}
}
}
}
/**
* Returns the raw data.
*
* @since 5.8.0
*
* @return array Raw data.
*/
public function get_raw_data() {
return $this->theme_json;
}
/**
* Transforms the given editor settings according the
* add_theme_support format to the theme.json format.
*
* @since 5.8.0
*
* @param array $settings Existing editor settings.
* @return array Config that adheres to the theme.json schema.
*/
public static function get_from_editor_settings( $settings ) {
$theme_settings = array(
'version' => static::LATEST_SCHEMA,
'settings' => array(),
);
// Deprecated theme supports.
if ( isset( $settings['disableCustomColors'] ) ) {
if ( ! isset( $theme_settings['settings']['color'] ) ) {
$theme_settings['settings']['color'] = array();
}
$theme_settings['settings']['color']['custom'] = ! $settings['disableCustomColors'];
}
if ( isset( $settings['disableCustomGradients'] ) ) {
if ( ! isset( $theme_settings['settings']['color'] ) ) {
$theme_settings['settings']['color'] = array();
}
$theme_settings['settings']['color']['customGradient'] = ! $settings['disableCustomGradients'];
}
if ( isset( $settings['disableCustomFontSizes'] ) ) {
if ( ! isset( $theme_settings['settings']['typography'] ) ) {
$theme_settings['settings']['typography'] = array();
}
$theme_settings['settings']['typography']['customFontSize'] = ! $settings['disableCustomFontSizes'];
}
if ( isset( $settings['enableCustomLineHeight'] ) ) {
if ( ! isset( $theme_settings['settings']['typography'] ) ) {
$theme_settings['settings']['typography'] = array();
}
$theme_settings['settings']['typography']['lineHeight'] = $settings['enableCustomLineHeight'];
}
if ( isset( $settings['enableCustomUnits'] ) ) {
if ( ! isset( $theme_settings['settings']['spacing'] ) ) {
$theme_settings['settings']['spacing'] = array();
}
$theme_settings['settings']['spacing']['units'] = ( true === $settings['enableCustomUnits'] ) ?
array( 'px', 'em', 'rem', 'vh', 'vw', '%' ) :
$settings['enableCustomUnits'];
}
if ( isset( $settings['colors'] ) ) {
if ( ! isset( $theme_settings['settings']['color'] ) ) {
$theme_settings['settings']['color'] = array();
}
$theme_settings['settings']['color']['palette'] = $settings['colors'];
}
if ( isset( $settings['gradients'] ) ) {
if ( ! isset( $theme_settings['settings']['color'] ) ) {
$theme_settings['settings']['color'] = array();
}
$theme_settings['settings']['color']['gradients'] = $settings['gradients'];
}
if ( isset( $settings['fontSizes'] ) ) {
$font_sizes = $settings['fontSizes'];
// Back-compatibility for presets without units.
foreach ( $font_sizes as $key => $font_size ) {
if ( is_numeric( $font_size['size'] ) ) {
$font_sizes[ $key ]['size'] = $font_size['size'] . 'px';
}
}
if ( ! isset( $theme_settings['settings']['typography'] ) ) {
$theme_settings['settings']['typography'] = array();
}
$theme_settings['settings']['typography']['fontSizes'] = $font_sizes;
}
if ( isset( $settings['enableCustomSpacing'] ) ) {
if ( ! isset( $theme_settings['settings']['spacing'] ) ) {
$theme_settings['settings']['spacing'] = array();
}
$theme_settings['settings']['spacing']['padding'] = $settings['enableCustomSpacing'];
}
return $theme_settings;
}
/**
* Returns the current theme's wanted patterns(slugs) to be
* registered from Pattern Directory.
*
* @since 6.0.0
*
* @return string[]
*/
public function get_patterns() {
if ( isset( $this->theme_json['patterns'] ) && is_array( $this->theme_json['patterns'] ) ) {
return $this->theme_json['patterns'];
}
return array();
}
/**
* Returns a valid theme.json as provided by a theme.
*
* Unlike get_raw_data() this returns the presets flattened, as provided by a theme.
* This also uses appearanceTools instead of their opt-ins if all of them are true.
*
* @since 6.0.0
*
* @return array
*/
public function get_data() {
$output = $this->theme_json;
$nodes = static::get_setting_nodes( $output );
/**
* Flatten the theme & custom origins into a single one.
*
* For example, the following:
*
* {
* "settings": {
* "color": {
* "palette": {
* "theme": [ {} ],
* "custom": [ {} ]
* }
* }
* }
* }
*
* will be converted to:
*
* {
* "settings": {
* "color": {
* "palette": [ {} ]
* }
* }
* }
*/
foreach ( $nodes as $node ) {
foreach ( static::PRESETS_METADATA as $preset_metadata ) {
$path = $node['path'];
foreach ( $preset_metadata['path'] as $preset_metadata_path ) {
$path[] = $preset_metadata_path;
}
$preset = _wp_array_get( $output, $path, null );
if ( null === $preset ) {
continue;
}
$items = array();
if ( isset( $preset['theme'] ) ) {
foreach ( $preset['theme'] as $item ) {
$slug = $item['slug'];
unset( $item['slug'] );
$items[ $slug ] = $item;
}
}
if ( isset( $preset['custom'] ) ) {
foreach ( $preset['custom'] as $item ) {
$slug = $item['slug'];
unset( $item['slug'] );
$items[ $slug ] = $item;
}
}
$flattened_preset = array();
foreach ( $items as $slug => $value ) {
$flattened_preset[] = array_merge( array( 'slug' => (string) $slug ), $value );
}
_wp_array_set( $output, $path, $flattened_preset );
}
}
/*
* If all of the static::APPEARANCE_TOOLS_OPT_INS are true,
* this code unsets them and sets 'appearanceTools' instead.
*/
foreach ( $nodes as $node ) {
$all_opt_ins_are_set = true;
foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) {
$full_path = $node['path'];
foreach ( $opt_in_path as $opt_in_path_item ) {
$full_path[] = $opt_in_path_item;
}
/*
* Use "unset prop" as a marker instead of "null" because
* "null" can be a valid value for some props (e.g. blockGap).
*/
$opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' );
if ( 'unset prop' === $opt_in_value ) {
$all_opt_ins_are_set = false;
break;
}
}
if ( $all_opt_ins_are_set ) {
$node_path_with_appearance_tools = $node['path'];
$node_path_with_appearance_tools[] = 'appearanceTools';
_wp_array_set( $output, $node_path_with_appearance_tools, true );
foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) {
$full_path = $node['path'];
foreach ( $opt_in_path as $opt_in_path_item ) {
$full_path[] = $opt_in_path_item;
}
/*
* Use "unset prop" as a marker instead of "null" because
* "null" can be a valid value for some props (e.g. blockGap).
*/
$opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' );
if ( true !== $opt_in_value ) {
continue;
}
/*
* The following could be improved to be path independent.
* At the moment it relies on a couple of assumptions:
*
* - all opt-ins having a path of size 2.
* - there's two sources of settings: the top-level and the block-level.
*/
if (
( 1 === count( $node['path'] ) ) &&
( 'settings' === $node['path'][0] )
) {
// Top-level settings.
unset( $output['settings'][ $opt_in_path[0] ][ $opt_in_path[1] ] );
if ( empty( $output['settings'][ $opt_in_path[0] ] ) ) {
unset( $output['settings'][ $opt_in_path[0] ] );
}
} elseif (
( 3 === count( $node['path'] ) ) &&
( 'settings' === $node['path'][0] ) &&
( 'blocks' === $node['path'][1] )
) {
// Block-level settings.
$block_name = $node['path'][2];
unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ][ $opt_in_path[1] ] );
if ( empty( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] ) ) {
unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] );
}
}
}
}
}
wp_recursive_ksort( $output );
return $output;
}
/**
* Sets the spacingSizes array based on the spacingScale values from theme.json.
*
* @since 6.1.0
*
* @return null|void
*/
public function set_spacing_sizes() {
$spacing_scale = isset( $this->theme_json['settings']['spacing']['spacingScale'] )
? $this->theme_json['settings']['spacing']['spacingScale']
: array();
if ( ! isset( $spacing_scale['steps'] )
|| ! is_numeric( $spacing_scale['steps'] )
|| ! isset( $spacing_scale['mediumStep'] )
|| ! isset( $spacing_scale['unit'] )
|| ! isset( $spacing_scale['operator'] )
|| ! isset( $spacing_scale['increment'] )
|| ! isset( $spacing_scale['steps'] )
|| ! is_numeric( $spacing_scale['increment'] )
|| ! is_numeric( $spacing_scale['mediumStep'] )
|| ( '+' !== $spacing_scale['operator'] && '*' !== $spacing_scale['operator'] ) ) {
if ( ! empty( $spacing_scale ) ) {
trigger_error( __( 'Some of the theme.json settings.spacing.spacingScale values are invalid' ), E_USER_NOTICE );
}
return null;
}
// If theme authors want to prevent the generation of the core spacing scale they can set their theme.json spacingScale.steps to 0.
if ( 0 === $spacing_scale['steps'] ) {
return null;
}
$unit = '%' === $spacing_scale['unit'] ? '%' : sanitize_title( $spacing_scale['unit'] );
$current_step = $spacing_scale['mediumStep'];
$steps_mid_point = round( $spacing_scale['steps'] / 2, 0 );
$x_small_count = null;
$below_sizes = array();
$slug = 40;
$remainder = 0;
for ( $below_midpoint_count = $steps_mid_point - 1; $spacing_scale['steps'] > 1 && $slug > 0 && $below_midpoint_count > 0; $below_midpoint_count-- ) {
if ( '+' === $spacing_scale['operator'] ) {
$current_step -= $spacing_scale['increment'];
} elseif ( $spacing_scale['increment'] > 1 ) {
$current_step /= $spacing_scale['increment'];
} else {
$current_step *= $spacing_scale['increment'];
}
if ( $current_step <= 0 ) {
$remainder = $below_midpoint_count;
break;
}
$below_sizes[] = array(
/* translators: %s: Digit to indicate multiple of sizing, eg. 2X-Small. */
'name' => $below_midpoint_count === $steps_mid_point - 1 ? __( 'Small' ) : sprintf( __( '%sX-Small' ), (string) $x_small_count ),
'slug' => (string) $slug,
'size' => round( $current_step, 2 ) . $unit,
);
if ( $below_midpoint_count === $steps_mid_point - 2 ) {
$x_small_count = 2;
}
if ( $below_midpoint_count < $steps_mid_point - 2 ) {
++$x_small_count;
}
$slug -= 10;
}
$below_sizes = array_reverse( $below_sizes );
$below_sizes[] = array(
'name' => __( 'Medium' ),
'slug' => '50',
'size' => $spacing_scale['mediumStep'] . $unit,
);
$current_step = $spacing_scale['mediumStep'];
$x_large_count = null;
$above_sizes = array();
$slug = 60;
$steps_above = ( $spacing_scale['steps'] - $steps_mid_point ) + $remainder;
for ( $above_midpoint_count = 0; $above_midpoint_count < $steps_above; $above_midpoint_count++ ) {
$current_step = '+' === $spacing_scale['operator']
? $current_step + $spacing_scale['increment']
: ( $spacing_scale['increment'] >= 1 ? $current_step * $spacing_scale['increment'] : $current_step / $spacing_scale['increment'] );
$above_sizes[] = array(
/* translators: %s: Digit to indicate multiple of sizing, eg. 2X-Large. */
'name' => 0 === $above_midpoint_count ? __( 'Large' ) : sprintf( __( '%sX-Large' ), (string) $x_large_count ),
'slug' => (string) $slug,
'size' => round( $current_step, 2 ) . $unit,
);
if ( 1 === $above_midpoint_count ) {
$x_large_count = 2;
}
if ( $above_midpoint_count > 1 ) {
++$x_large_count;
}
$slug += 10;
}
$spacing_sizes = $below_sizes;
foreach ( $above_sizes as $above_sizes_item ) {
$spacing_sizes[] = $above_sizes_item;
}
// If there are 7 or fewer steps in the scale revert to numbers for labels instead of t-shirt sizes.
if ( $spacing_scale['steps'] <= 7 ) {
for ( $spacing_sizes_count = 0; $spacing_sizes_count < count( $spacing_sizes ); $spacing_sizes_count++ ) {
$spacing_sizes[ $spacing_sizes_count ]['name'] = (string) ( $spacing_sizes_count + 1 );
}
}
_wp_array_set( $this->theme_json, array( 'settings', 'spacing', 'spacingSizes', 'default' ), $spacing_sizes );
}
/**
* This is used to convert the internal representation of variables to the CSS representation.
* For example, `var:preset|color|vivid-green-cyan` becomes `var(--wp--preset--color--vivid-green-cyan)`.
*
* @since 6.3.0
* @param string $value The variable such as var:preset|color|vivid-green-cyan to convert.
* @return string The converted variable.
*/
private static function convert_custom_properties( $value ) {
$prefix = 'var:';
$prefix_len = strlen( $prefix );
$token_in = '|';
$token_out = '--';
if ( str_starts_with( $value, $prefix ) ) {
$unwrapped_name = str_replace(
$token_in,
$token_out,
substr( $value, $prefix_len )
);
$value = "var(--wp--$unwrapped_name)";
}
return $value;
}
/**
* Given a tree, converts the internal representation of variables to the CSS representation.
* It is recursive and modifies the input in-place.
*
* @since 6.3.0
* @param array $tree Input to process.
* @return array The modified $tree.
*/
private static function resolve_custom_css_format( $tree ) {
$prefix = 'var:';
foreach ( $tree as $key => $data ) {
if ( is_string( $data ) && str_starts_with( $data, $prefix ) ) {
$tree[ $key ] = self::convert_custom_properties( $data );
} elseif ( is_array( $data ) ) {
$tree[ $key ] = self::resolve_custom_css_format( $data );
}
}
return $tree;
}
/**
* Returns the selectors metadata for a block.
*
* @since 6.3.0
*
* @param object $block_type The block type.
* @param string $root_selector The block's root selector.
*
* @return array The custom selectors set by the block.
*/
protected static function get_block_selectors( $block_type, $root_selector ) {
if ( ! empty( $block_type->selectors ) ) {
return $block_type->selectors;
}
$selectors = array( 'root' => $root_selector );
foreach ( static::BLOCK_SUPPORT_FEATURE_LEVEL_SELECTORS as $key => $feature ) {
$feature_selector = wp_get_block_css_selector( $block_type, $key );
if ( null !== $feature_selector ) {
$selectors[ $feature ] = array( 'root' => $feature_selector );
}
}
return $selectors;
}
/**
* Generates all the element selectors for a block.
*
* @since 6.3.0
*
* @param string $root_selector The block's root CSS selector.
* @return array The block's element selectors.
*/
protected static function get_block_element_selectors( $root_selector ) {
/*
* Assign defaults, then override those that the block sets by itself.
* If the block selector is compounded, will append the element to each
* individual block selector.
*/
$block_selectors = explode( ',', $root_selector );
$element_selectors = array();
foreach ( static::ELEMENTS as $el_name => $el_selector ) {
$element_selector = array();
foreach ( $block_selectors as $selector ) {
if ( $selector === $el_selector ) {
$element_selector = array( $el_selector );
break;
}
$element_selector[] = static::prepend_to_selector( $el_selector, $selector . ' ' );
}
$element_selectors[ $el_name ] = implode( ',', $element_selector );
}
return $element_selectors;
}
/**
* Generates style declarations for a node's features e.g., color, border,
* typography etc. that have custom selectors in their related block's
* metadata.
*
* @since 6.3.0
*
* @param object $metadata The related block metadata containing selectors.
* @param object $node A merged theme.json node for block or variation.
*
* @return array The style declarations for the node's features with custom
* selectors.
*/
protected function get_feature_declarations_for_node( $metadata, &$node ) {
$declarations = array();
if ( ! isset( $metadata['selectors'] ) ) {
return $declarations;
}
$settings = isset( $this->theme_json['settings'] )
? $this->theme_json['settings']
: array();
foreach ( $metadata['selectors'] as $feature => $feature_selectors ) {
/*
* Skip if this is the block's root selector or the block doesn't
* have any styles for the feature.
*/
if ( 'root' === $feature || empty( $node[ $feature ] ) ) {
continue;
}
if ( is_array( $feature_selectors ) ) {
foreach ( $feature_selectors as $subfeature => $subfeature_selector ) {
if ( 'root' === $subfeature || empty( $node[ $feature ][ $subfeature ] ) ) {
continue;
}
/*
* Create temporary node containing only the subfeature data
* to leverage existing `compute_style_properties` function.
*/
$subfeature_node = array(
$feature => array(
$subfeature => $node[ $feature ][ $subfeature ],
),
);
// Generate style declarations.
$new_declarations = static::compute_style_properties( $subfeature_node, $settings, null, $this->theme_json );
// Merge subfeature declarations into feature declarations.
if ( isset( $declarations[ $subfeature_selector ] ) ) {
foreach ( $new_declarations as $new_declaration ) {
$declarations[ $subfeature_selector ][] = $new_declaration;
}
} else {
$declarations[ $subfeature_selector ] = $new_declarations;
}
/*
* Remove the subfeature from the block's node now its
* styles will be included under its own selector not the
* block's.
*/
unset( $node[ $feature ][ $subfeature ] );
}
}
/*
* Now subfeatures have been processed and removed we can process
* feature root selector or simple string selector.
*/
if (
is_string( $feature_selectors ) ||
( isset( $feature_selectors['root'] ) && $feature_selectors['root'] )
) {
$feature_selector = is_string( $feature_selectors ) ? $feature_selectors : $feature_selectors['root'];
/*
* Create temporary node containing only the feature data
* to leverage existing `compute_style_properties` function.
*/
$feature_node = array( $feature => $node[ $feature ] );
// Generate the style declarations.
$new_declarations = static::compute_style_properties( $feature_node, $settings, null, $this->theme_json );
/*
* Merge new declarations with any that already exist for
* the feature selector. This may occur when multiple block
* support features use the same custom selector.
*/
if ( isset( $declarations[ $feature_selector ] ) ) {
foreach ( $new_declarations as $new_declaration ) {
$declarations[ $feature_selector ][] = $new_declaration;
}
} else {
$declarations[ $feature_selector ] = $new_declarations;
}
/*
* Remove the feature from the block's node now its styles
* will be included under its own selector not the block's.
*/
unset( $node[ $feature ] );
}
}
return $declarations;
}
/**
* Replaces CSS variables with their values in place.
*
* @since 6.3.0
* @param array $styles CSS declarations to convert.
* @param array $values key => value pairs to use for replacement.
* @return array
*/
private static function convert_variables_to_value( $styles, $values ) {
foreach ( $styles as $key => $style ) {
if ( is_array( $style ) ) {
$styles[ $key ] = self::convert_variables_to_value( $style, $values );
continue;
}
if ( 0 <= strpos( $style, 'var(' ) ) {
// find all the variables in the string in the form of var(--variable-name, fallback), with fallback in the second capture group.
$has_matches = preg_match_all( '/var\(([^),]+)?,?\s?(\S+)?\)/', $style, $var_parts );
if ( $has_matches ) {
$resolved_style = $styles[ $key ];
foreach ( $var_parts[1] as $index => $var_part ) {
$key_in_values = 'var(' . $var_part . ')';
$rule_to_replace = $var_parts[0][ $index ]; // the css rule to replace e.g. var(--wp--preset--color--vivid-green-cyan).
$fallback = $var_parts[2][ $index ]; // the fallback value.
$resolved_style = str_replace(
array(
$rule_to_replace,
$fallback,
),
array(
isset( $values[ $key_in_values ] ) ? $values[ $key_in_values ] : $rule_to_replace,
isset( $values[ $fallback ] ) ? $values[ $fallback ] : $fallback,
),
$resolved_style
);
}
$styles[ $key ] = $resolved_style;
}
}
}
return $styles;
}
/**
* Resolves the values of CSS variables in the given styles.
*
* @since 6.3.0
* @param WP_Theme_JSON $theme_json The theme json resolver.
*
* @return WP_Theme_JSON The $theme_json with resolved variables.
*/
public static function resolve_variables( $theme_json ) {
$settings = $theme_json->get_settings();
$styles = $theme_json->get_raw_data()['styles'];
$preset_vars = static::compute_preset_vars( $settings, static::VALID_ORIGINS );
$theme_vars = static::compute_theme_vars( $settings );
$vars = array_reduce(
array_merge( $preset_vars, $theme_vars ),
function ( $carry, $item ) {
$name = $item['name'];
$carry[ "var({$name})" ] = $item['value'];
return $carry;
},
array()
);
$theme_json->theme_json['styles'] = self::convert_variables_to_value( $styles, $vars );
return $theme_json;
}
}
;
$ids = array();
foreach ( (array) $terms as $term ) {
$taxonomies[] = $term->taxonomy;
$ids[] = $term->term_id;
}
wp_cache_delete_multiple( $ids, 'terms' );
$taxonomies = array_unique( $taxonomies );
} else {
wp_cache_delete_multiple( $ids, 'terms' );
$taxonomies = array( $taxonomy );
}
foreach ( $taxonomies as $taxonomy ) {
if ( $clean_taxonomy ) {
clean_taxonomy_cache( $taxonomy );
}
/**
* Fires once after each taxonomy's term cache has been cleaned.
*
* @since 2.5.0
* @since 4.5.0 Added the `$clean_taxonomy` parameter.
*
* @param array $ids An array of term IDs.
* @param string $taxonomy Taxonomy slug.
* @param bool $clean_taxonomy Whether or not to clean taxonomy-wide caches
*/
do_action( 'clean_term_cache', $ids, $taxonomy, $clean_taxonomy );
}
wp_cache_set_terms_last_changed();
}
/**
* Cleans the caches for a taxonomy.
*
* @since 4.9.0
*
* @param string $taxonomy Taxonomy slug.
*/
function clean_taxonomy_cache( $taxonomy ) {
wp_cache_delete( 'all_ids', $taxonomy );
wp_cache_delete( 'get', $taxonomy );
wp_cache_set_terms_last_changed();
// Regenerate cached hierarchy.
delete_option( "{$taxonomy}_children" );
_get_term_hierarchy( $taxonomy );
/**
* Fires after a taxonomy's caches have been cleaned.
*
* @since 4.9.0
*
* @param string $taxonomy Taxonomy slug.
*/
do_action( 'clean_taxonomy_cache', $taxonomy );
}
/**
* Retrieves the cached term objects for the given object ID.
*
* Upstream functions (like get_the_terms() and is_object_in_term()) are
* responsible for populating the object-term relationship cache. The current
* function only fetches relationship data that is already in the cache.
*
* @since 2.3.0
* @since 4.7.0 Returns a `WP_Error` object if there's an error with
* any of the matched terms.
*
* @param int $id Term object ID, for example a post, comment, or user ID.
* @param string $taxonomy Taxonomy name.
* @return bool|WP_Term[]|WP_Error Array of `WP_Term` objects, if cached.
* False if cache is empty for `$taxonomy` and `$id`.
* WP_Error if get_term() returns an error object for any term.
*/
function get_object_term_cache( $id, $taxonomy ) {
$_term_ids = wp_cache_get( $id, "{$taxonomy}_relationships" );
// We leave the priming of relationship caches to upstream functions.
if ( false === $_term_ids ) {
return false;
}
// Backward compatibility for if a plugin is putting objects into the cache, rather than IDs.
$term_ids = array();
foreach ( $_term_ids as $term_id ) {
if ( is_numeric( $term_id ) ) {
$term_ids[] = (int) $term_id;
} elseif ( isset( $term_id->term_id ) ) {
$term_ids[] = (int) $term_id->term_id;
}
}
// Fill the term objects.
_prime_term_caches( $term_ids );
$terms = array();
foreach ( $term_ids as $term_id ) {
$term = get_term( $term_id, $taxonomy );
if ( is_wp_error( $term ) ) {
return $term;
}
$terms[] = $term;
}
return $terms;
}
/**
* Updates the cache for the given term object ID(s).
*
* Note: Due to performance concerns, great care should be taken to only update
* term caches when necessary. Processing time can increase exponentially depending
* on both the number of passed term IDs and the number of taxonomies those terms
* belong to.
*
* Caches will only be updated for terms not already cached.
*
* @since 2.3.0
*
* @param string|int[] $object_ids Comma-separated list or array of term object IDs.
* @param string|string[] $object_type The taxonomy object type or array of the same.
* @return void|false Void on success or if the `$object_ids` parameter is empty,
* false if all of the terms in `$object_ids` are already cached.
*/
function update_object_term_cache( $object_ids, $object_type ) {
if ( empty( $object_ids ) ) {
return;
}
if ( ! is_array( $object_ids ) ) {
$object_ids = explode( ',', $object_ids );
}
$object_ids = array_map( 'intval', $object_ids );
$non_cached_ids = array();
$taxonomies = get_object_taxonomies( $object_type );
foreach ( $taxonomies as $taxonomy ) {
$cache_values = wp_cache_get_multiple( (array) $object_ids, "{$taxonomy}_relationships" );
foreach ( $cache_values as $id => $value ) {
if ( false === $value ) {
$non_cached_ids[] = $id;
}
}
}
if ( empty( $non_cached_ids ) ) {
return false;
}
$non_cached_ids = array_unique( $non_cached_ids );
$terms = wp_get_object_terms(
$non_cached_ids,
$taxonomies,
array(
'fields' => 'all_with_object_id',
'orderby' => 'name',
'update_term_meta_cache' => false,
)
);
$object_terms = array();
foreach ( (array) $terms as $term ) {
$object_terms[ $term->object_id ][ $term->taxonomy ][] = $term->term_id;
}
foreach ( $non_cached_ids as $id ) {
foreach ( $taxonomies as $taxonomy ) {
if ( ! isset( $object_terms[ $id ][ $taxonomy ] ) ) {
if ( ! isset( $object_terms[ $id ] ) ) {
$object_terms[ $id ] = array();
}
$object_terms[ $id ][ $taxonomy ] = array();
}
}
}
$cache_values = array();
foreach ( $object_terms as $id => $value ) {
foreach ( $value as $taxonomy => $terms ) {
$cache_values[ $taxonomy ][ $id ] = $terms;
}
}
foreach ( $cache_values as $taxonomy => $data ) {
wp_cache_add_multiple( $data, "{$taxonomy}_relationships" );
}
}
/**
* Updates terms in cache.
*
* @since 2.3.0
*
* @param WP_Term[] $terms Array of term objects to change.
* @param string $taxonomy Not used.
*/
function update_term_cache( $terms, $taxonomy = '' ) {
$data = array();
foreach ( (array) $terms as $term ) {
// Create a copy in case the array was passed by reference.
$_term = clone $term;
// Object ID should not be cached.
unset( $_term->object_id );
$data[ $term->term_id ] = $_term;
}
wp_cache_add_multiple( $data, 'terms' );
}
//
// Private.
//
/**
* Retrieves children of taxonomy as term IDs.
*
* @access private
* @since 2.3.0
*
* @param string $taxonomy Taxonomy name.
* @return array Empty if $taxonomy isn't hierarchical or returns children as term IDs.
*/
function _get_term_hierarchy( $taxonomy ) {
if ( ! is_taxonomy_hierarchical( $taxonomy ) ) {
return array();
}
$children = get_option( "{$taxonomy}_children" );
if ( is_array( $children ) ) {
return $children;
}
$children = array();
$terms = get_terms(
array(
'taxonomy' => $taxonomy,
'get' => 'all',
'orderby' => 'id',
'fields' => 'id=>parent',
'update_term_meta_cache' => false,
)
);
foreach ( $terms as $term_id => $parent ) {
if ( $parent > 0 ) {
$children[ $parent ][] = $term_id;
}
}
update_option( "{$taxonomy}_children", $children );
return $children;
}
/**
* Gets the subset of $terms that are descendants of $term_id.
*
* If `$terms` is an array of objects, then _get_term_children() returns an array of objects.
* If `$terms` is an array of IDs, then _get_term_children() returns an array of IDs.
*
* @access private
* @since 2.3.0
*
* @param int $term_id The ancestor term: all returned terms should be descendants of `$term_id`.
* @param array $terms The set of terms - either an array of term objects or term IDs - from which those that
* are descendants of $term_id will be chosen.
* @param string $taxonomy The taxonomy which determines the hierarchy of the terms.
* @param array $ancestors Optional. Term ancestors that have already been identified. Passed by reference, to keep
* track of found terms when recursing the hierarchy. The array of located ancestors is used
* to prevent infinite recursion loops. For performance, `term_ids` are used as array keys,
* with 1 as value. Default empty array.
* @return array|WP_Error The subset of $terms that are descendants of $term_id.
*/
function _get_term_children( $term_id, $terms, $taxonomy, &$ancestors = array() ) {
$empty_array = array();
if ( empty( $terms ) ) {
return $empty_array;
}
$term_id = (int) $term_id;
$term_list = array();
$has_children = _get_term_hierarchy( $taxonomy );
if ( $term_id && ! isset( $has_children[ $term_id ] ) ) {
return $empty_array;
}
// Include the term itself in the ancestors array, so we can properly detect when a loop has occurred.
if ( empty( $ancestors ) ) {
$ancestors[ $term_id ] = 1;
}
foreach ( (array) $terms as $term ) {
$use_id = false;
if ( ! is_object( $term ) ) {
$term = get_term( $term, $taxonomy );
if ( is_wp_error( $term ) ) {
return $term;
}
$use_id = true;
}
// Don't recurse if we've already identified the term as a child - this indicates a loop.
if ( isset( $ancestors[ $term->term_id ] ) ) {
continue;
}
if ( (int) $term->parent === $term_id ) {
if ( $use_id ) {
$term_list[] = $term->term_id;
} else {
$term_list[] = $term;
}
if ( ! isset( $has_children[ $term->term_id ] ) ) {
continue;
}
$ancestors[ $term->term_id ] = 1;
$children = _get_term_children( $term->term_id, $terms, $taxonomy, $ancestors );
if ( $children ) {
$term_list = array_merge( $term_list, $children );
}
}
}
return $term_list;
}
/**
* Adds count of children to parent count.
*
* Recalculates term counts by including items from child terms. Assumes all
* relevant children are already in the $terms argument.
*
* @access private
* @since 2.3.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param object[]|WP_Term[] $terms List of term objects (passed by reference).
* @param string $taxonomy Term context.
*/
function _pad_term_counts( &$terms, $taxonomy ) {
global $wpdb;
// This function only works for hierarchical taxonomies like post categories.
if ( ! is_taxonomy_hierarchical( $taxonomy ) ) {
return;
}
$term_hier = _get_term_hierarchy( $taxonomy );
if ( empty( $term_hier ) ) {
return;
}
$term_items = array();
$terms_by_id = array();
$term_ids = array();
foreach ( (array) $terms as $key => $term ) {
$terms_by_id[ $term->term_id ] = & $terms[ $key ];
$term_ids[ $term->term_taxonomy_id ] = $term->term_id;
}
// Get the object and term IDs and stick them in a lookup table.
$tax_obj = get_taxonomy( $taxonomy );
$object_types = esc_sql( $tax_obj->object_type );
$results = $wpdb->get_results( "SELECT object_id, term_taxonomy_id FROM $wpdb->term_relationships INNER JOIN $wpdb->posts ON object_id = ID WHERE term_taxonomy_id IN (" . implode( ',', array_keys( $term_ids ) ) . ") AND post_type IN ('" . implode( "', '", $object_types ) . "') AND post_status = 'publish'" );
foreach ( $results as $row ) {
$id = $term_ids[ $row->term_taxonomy_id ];
$term_items[ $id ][ $row->object_id ] = isset( $term_items[ $id ][ $row->object_id ] ) ? ++$term_items[ $id ][ $row->object_id ] : 1;
}
// Touch every ancestor's lookup row for each post in each term.
foreach ( $term_ids as $term_id ) {
$child = $term_id;
$ancestors = array();
while ( ! empty( $terms_by_id[ $child ] ) && $parent = $terms_by_id[ $child ]->parent ) {
$ancestors[] = $child;
if ( ! empty( $term_items[ $term_id ] ) ) {
foreach ( $term_items[ $term_id ] as $item_id => $touches ) {
$term_items[ $parent ][ $item_id ] = isset( $term_items[ $parent ][ $item_id ] ) ? ++$term_items[ $parent ][ $item_id ] : 1;
}
}
$child = $parent;
if ( in_array( $parent, $ancestors, true ) ) {
break;
}
}
}
// Transfer the touched cells.
foreach ( (array) $term_items as $id => $items ) {
if ( isset( $terms_by_id[ $id ] ) ) {
$terms_by_id[ $id ]->count = count( $items );
}
}
}
/**
* Adds any terms from the given IDs to the cache that do not already exist in cache.
*
* @since 4.6.0
* @since 6.1.0 This function is no longer marked as "private".
* @since 6.3.0 Use wp_lazyload_term_meta() for lazy-loading of term meta.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $term_ids Array of term IDs.
* @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true.
*/
function _prime_term_caches( $term_ids, $update_meta_cache = true ) {
global $wpdb;
$non_cached_ids = _get_non_cached_ids( $term_ids, 'terms' );
if ( ! empty( $non_cached_ids ) ) {
$fresh_terms = $wpdb->get_results( sprintf( "SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE t.term_id IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) );
update_term_cache( $fresh_terms );
}
if ( $update_meta_cache ) {
wp_lazyload_term_meta( $term_ids );
}
}
//
// Default callbacks.
//
/**
* Updates term count based on object types of the current taxonomy.
*
* Private function for the default callback for post_tag and category
* taxonomies.
*
* @access private
* @since 2.3.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int[] $terms List of term taxonomy IDs.
* @param WP_Taxonomy $taxonomy Current taxonomy object of terms.
*/
function _update_post_term_count( $terms, $taxonomy ) {
global $wpdb;
$object_types = (array) $taxonomy->object_type;
foreach ( $object_types as &$object_type ) {
list( $object_type ) = explode( ':', $object_type );
}
$object_types = array_unique( $object_types );
$check_attachments = array_search( 'attachment', $object_types, true );
if ( false !== $check_attachments ) {
unset( $object_types[ $check_attachments ] );
$check_attachments = true;
}
if ( $object_types ) {
$object_types = esc_sql( array_filter( $object_types, 'post_type_exists' ) );
}
$post_statuses = array( 'publish' );
/**
* Filters the post statuses for updating the term count.
*
* @since 5.7.0
*
* @param string[] $post_statuses List of post statuses to include in the count. Default is 'publish'.
* @param WP_Taxonomy $taxonomy Current taxonomy object.
*/
$post_statuses = esc_sql( apply_filters( 'update_post_term_count_statuses', $post_statuses, $taxonomy ) );
foreach ( (array) $terms as $term ) {
$count = 0;
// Attachments can be 'inherit' status, we need to base count off the parent's status if so.
if ( $check_attachments ) {
// phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.QuotedDynamicPlaceholderGeneration
$count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts p1 WHERE p1.ID = $wpdb->term_relationships.object_id AND ( post_status IN ('" . implode( "', '", $post_statuses ) . "') OR ( post_status = 'inherit' AND post_parent > 0 AND ( SELECT post_status FROM $wpdb->posts WHERE ID = p1.post_parent ) IN ('" . implode( "', '", $post_statuses ) . "') ) ) AND post_type = 'attachment' AND term_taxonomy_id = %d", $term ) );
}
if ( $object_types ) {
// phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.QuotedDynamicPlaceholderGeneration
$count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status IN ('" . implode( "', '", $post_statuses ) . "') AND post_type IN ('" . implode( "', '", $object_types ) . "') AND term_taxonomy_id = %d", $term ) );
}
/** This action is documented in wp-includes/taxonomy.php */
do_action( 'edit_term_taxonomy', $term, $taxonomy->name );
$wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) );
/** This action is documented in wp-includes/taxonomy.php */
do_action( 'edited_term_taxonomy', $term, $taxonomy->name );
}
}
/**
* Updates term count based on number of objects.
*
* Default callback for the 'link_category' taxonomy.
*
* @since 3.3.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int[] $terms List of term taxonomy IDs.
* @param WP_Taxonomy $taxonomy Current taxonomy object of terms.
*/
function _update_generic_term_count( $terms, $taxonomy ) {
global $wpdb;
foreach ( (array) $terms as $term ) {
$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term ) );
/** This action is documented in wp-includes/taxonomy.php */
do_action( 'edit_term_taxonomy', $term, $taxonomy->name );
$wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) );
/** This action is documented in wp-includes/taxonomy.php */
do_action( 'edited_term_taxonomy', $term, $taxonomy->name );
}
}
/**
* Creates a new term for a term_taxonomy item that currently shares its term
* with another term_taxonomy.
*
* @ignore
* @since 4.2.0
* @since 4.3.0 Introduced `$record` parameter. Also, `$term_id` and
* `$term_taxonomy_id` can now accept objects.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int|object $term_id ID of the shared term, or the shared term object.
* @param int|object $term_taxonomy_id ID of the term_taxonomy item to receive a new term, or the term_taxonomy object
* (corresponding to a row from the term_taxonomy table).
* @param bool $record Whether to record data about the split term in the options table. The recording
* process has the potential to be resource-intensive, so during batch operations
* it can be beneficial to skip inline recording and do it just once, after the
* batch is processed. Only set this to `false` if you know what you are doing.
* Default: true.
* @return int|WP_Error When the current term does not need to be split (or cannot be split on the current
* database schema), `$term_id` is returned. When the term is successfully split, the
* new term_id is returned. A WP_Error is returned for miscellaneous errors.
*/
function _split_shared_term( $term_id, $term_taxonomy_id, $record = true ) {
global $wpdb;
if ( is_object( $term_id ) ) {
$shared_term = $term_id;
$term_id = (int) $shared_term->term_id;
}
if ( is_object( $term_taxonomy_id ) ) {
$term_taxonomy = $term_taxonomy_id;
$term_taxonomy_id = (int) $term_taxonomy->term_taxonomy_id;
}
// If there are no shared term_taxonomy rows, there's nothing to do here.
$shared_tt_count = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy tt WHERE tt.term_id = %d AND tt.term_taxonomy_id != %d", $term_id, $term_taxonomy_id ) );
if ( ! $shared_tt_count ) {
return $term_id;
}
/*
* Verify that the term_taxonomy_id passed to the function is actually associated with the term_id.
* If there's a mismatch, it may mean that the term is already split. Return the actual term_id from the db.
*/
$check_term_id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term_taxonomy_id ) );
if ( $check_term_id !== $term_id ) {
return $check_term_id;
}
// Pull up data about the currently shared slug, which we'll use to populate the new one.
if ( empty( $shared_term ) ) {
$shared_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.* FROM $wpdb->terms t WHERE t.term_id = %d", $term_id ) );
}
$new_term_data = array(
'name' => $shared_term->name,
'slug' => $shared_term->slug,
'term_group' => $shared_term->term_group,
);
if ( false === $wpdb->insert( $wpdb->terms, $new_term_data ) ) {
return new WP_Error( 'db_insert_error', __( 'Could not split shared term.' ), $wpdb->last_error );
}
$new_term_id = (int) $wpdb->insert_id;
// Update the existing term_taxonomy to point to the newly created term.
$wpdb->update(
$wpdb->term_taxonomy,
array( 'term_id' => $new_term_id ),
array( 'term_taxonomy_id' => $term_taxonomy_id )
);
// Reassign child terms to the new parent.
if ( empty( $term_taxonomy ) ) {
$term_taxonomy = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term_taxonomy_id ) );
}
$children_tt_ids = $wpdb->get_col( $wpdb->prepare( "SELECT term_taxonomy_id FROM $wpdb->term_taxonomy WHERE parent = %d AND taxonomy = %s", $term_id, $term_taxonomy->taxonomy ) );
if ( ! empty( $children_tt_ids ) ) {
foreach ( $children_tt_ids as $child_tt_id ) {
$wpdb->update(
$wpdb->term_taxonomy,
array( 'parent' => $new_term_id ),
array( 'term_taxonomy_id' => $child_tt_id )
);
clean_term_cache( (int) $child_tt_id, '', false );
}
} else {
// If the term has no children, we must force its taxonomy cache to be rebuilt separately.
clean_term_cache( $new_term_id, $term_taxonomy->taxonomy, false );
}
clean_term_cache( $term_id, $term_taxonomy->taxonomy, false );
/*
* Taxonomy cache clearing is delayed to avoid race conditions that may occur when
* regenerating the taxonomy's hierarchy tree.
*/
$taxonomies_to_clean = array( $term_taxonomy->taxonomy );
// Clean the cache for term taxonomies formerly shared with the current term.
$shared_term_taxonomies = $wpdb->get_col( $wpdb->prepare( "SELECT taxonomy FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) );
$taxonomies_to_clean = array_merge( $taxonomies_to_clean, $shared_term_taxonomies );
foreach ( $taxonomies_to_clean as $taxonomy_to_clean ) {
clean_taxonomy_cache( $taxonomy_to_clean );
}
// Keep a record of term_ids that have been split, keyed by old term_id. See wp_get_split_term().
if ( $record ) {
$split_term_data = get_option( '_split_terms', array() );
if ( ! isset( $split_term_data[ $term_id ] ) ) {
$split_term_data[ $term_id ] = array();
}
$split_term_data[ $term_id ][ $term_taxonomy->taxonomy ] = $new_term_id;
update_option( '_split_terms', $split_term_data );
}
// If we've just split the final shared term, set the "finished" flag.
$shared_terms_exist = $wpdb->get_results(
"SELECT tt.term_id, t.*, count(*) as term_tt_count FROM {$wpdb->term_taxonomy} tt
LEFT JOIN {$wpdb->terms} t ON t.term_id = tt.term_id
GROUP BY t.term_id
HAVING term_tt_count > 1
LIMIT 1"
);
if ( ! $shared_terms_exist ) {
update_option( 'finished_splitting_shared_terms', true );
}
/**
* Fires after a previously shared taxonomy term is split into two separate terms.
*
* @since 4.2.0
*
* @param int $term_id ID of the formerly shared term.
* @param int $new_term_id ID of the new term created for the $term_taxonomy_id.
* @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split.
* @param string $taxonomy Taxonomy for the split term.
*/
do_action( 'split_shared_term', $term_id, $new_term_id, $term_taxonomy_id, $term_taxonomy->taxonomy );
return $new_term_id;
}
/**
* Splits a batch of shared taxonomy terms.
*
* @since 4.3.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*/
function _wp_batch_split_terms() {
global $wpdb;
$lock_name = 'term_split.lock';
// Try to lock.
$lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) );
if ( ! $lock_result ) {
$lock_result = get_option( $lock_name );
// Bail if we were unable to create a lock, or if the existing lock is still valid.
if ( ! $lock_result || ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) ) {
wp_schedule_single_event( time() + ( 5 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' );
return;
}
}
// Update the lock, as by this point we've definitely got a lock, just need to fire the actions.
update_option( $lock_name, time() );
// Get a list of shared terms (those with more than one associated row in term_taxonomy).
$shared_terms = $wpdb->get_results(
"SELECT tt.term_id, t.*, count(*) as term_tt_count FROM {$wpdb->term_taxonomy} tt
LEFT JOIN {$wpdb->terms} t ON t.term_id = tt.term_id
GROUP BY t.term_id
HAVING term_tt_count > 1
LIMIT 10"
);
// No more terms, we're done here.
if ( ! $shared_terms ) {
update_option( 'finished_splitting_shared_terms', true );
delete_option( $lock_name );
return;
}
// Shared terms found? We'll need to run this script again.
wp_schedule_single_event( time() + ( 2 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' );
// Rekey shared term array for faster lookups.
$_shared_terms = array();
foreach ( $shared_terms as $shared_term ) {
$term_id = (int) $shared_term->term_id;
$_shared_terms[ $term_id ] = $shared_term;
}
$shared_terms = $_shared_terms;
// Get term taxonomy data for all shared terms.
$shared_term_ids = implode( ',', array_keys( $shared_terms ) );
$shared_tts = $wpdb->get_results( "SELECT * FROM {$wpdb->term_taxonomy} WHERE `term_id` IN ({$shared_term_ids})" );
// Split term data recording is slow, so we do it just once, outside the loop.
$split_term_data = get_option( '_split_terms', array() );
$skipped_first_term = array();
$taxonomies = array();
foreach ( $shared_tts as $shared_tt ) {
$term_id = (int) $shared_tt->term_id;
// Don't split the first tt belonging to a given term_id.
if ( ! isset( $skipped_first_term[ $term_id ] ) ) {
$skipped_first_term[ $term_id ] = 1;
continue;
}
if ( ! isset( $split_term_data[ $term_id ] ) ) {
$split_term_data[ $term_id ] = array();
}
// Keep track of taxonomies whose hierarchies need flushing.
if ( ! isset( $taxonomies[ $shared_tt->taxonomy ] ) ) {
$taxonomies[ $shared_tt->taxonomy ] = 1;
}
// Split the term.
$split_term_data[ $term_id ][ $shared_tt->taxonomy ] = _split_shared_term( $shared_terms[ $term_id ], $shared_tt, false );
}
// Rebuild the cached hierarchy for each affected taxonomy.
foreach ( array_keys( $taxonomies ) as $tax ) {
delete_option( "{$tax}_children" );
_get_term_hierarchy( $tax );
}
update_option( '_split_terms', $split_term_data );
delete_option( $lock_name );
}
/**
* In order to avoid the _wp_batch_split_terms() job being accidentally removed,
* checks that it's still scheduled while we haven't finished splitting terms.
*
* @ignore
* @since 4.3.0
*/
function _wp_check_for_scheduled_split_terms() {
if ( ! get_option( 'finished_splitting_shared_terms' ) && ! wp_next_scheduled( 'wp_split_shared_term_batch' ) ) {
wp_schedule_single_event( time() + MINUTE_IN_SECONDS, 'wp_split_shared_term_batch' );
}
}
/**
* Checks default categories when a term gets split to see if any of them need to be updated.
*
* @ignore
* @since 4.2.0
*
* @param int $term_id ID of the formerly shared term.
* @param int $new_term_id ID of the new term created for the $term_taxonomy_id.
* @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split.
* @param string $taxonomy Taxonomy for the split term.
*/
function _wp_check_split_default_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
if ( 'category' !== $taxonomy ) {
return;
}
foreach ( array( 'default_category', 'default_link_category', 'default_email_category' ) as $option ) {
if ( (int) get_option( $option, -1 ) === $term_id ) {
update_option( $option, $new_term_id );
}
}
}
/**
* Checks menu items when a term gets split to see if any of them need to be updated.
*
* @ignore
* @since 4.2.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $term_id ID of the formerly shared term.
* @param int $new_term_id ID of the new term created for the $term_taxonomy_id.
* @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split.
* @param string $taxonomy Taxonomy for the split term.
*/
function _wp_check_split_terms_in_menus( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
global $wpdb;
$post_ids = $wpdb->get_col(
$wpdb->prepare(
"SELECT m1.post_id
FROM {$wpdb->postmeta} AS m1
INNER JOIN {$wpdb->postmeta} AS m2 ON ( m2.post_id = m1.post_id )
INNER JOIN {$wpdb->postmeta} AS m3 ON ( m3.post_id = m1.post_id )
WHERE ( m1.meta_key = '_menu_item_type' AND m1.meta_value = 'taxonomy' )
AND ( m2.meta_key = '_menu_item_object' AND m2.meta_value = %s )
AND ( m3.meta_key = '_menu_item_object_id' AND m3.meta_value = %d )",
$taxonomy,
$term_id
)
);
if ( $post_ids ) {
foreach ( $post_ids as $post_id ) {
update_post_meta( $post_id, '_menu_item_object_id', $new_term_id, $term_id );
}
}
}
/**
* If the term being split is a nav_menu, changes associations.
*
* @ignore
* @since 4.3.0
*
* @param int $term_id ID of the formerly shared term.
* @param int $new_term_id ID of the new term created for the $term_taxonomy_id.
* @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split.
* @param string $taxonomy Taxonomy for the split term.
*/
function _wp_check_split_nav_menu_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
if ( 'nav_menu' !== $taxonomy ) {
return;
}
// Update menu locations.
$locations = get_nav_menu_locations();
foreach ( $locations as $location => $menu_id ) {
if ( $term_id === $menu_id ) {
$locations[ $location ] = $new_term_id;
}
}
set_theme_mod( 'nav_menu_locations', $locations );
}
/**
* Gets data about terms that previously shared a single term_id, but have since been split.
*
* @since 4.2.0
*
* @param int $old_term_id Term ID. This is the old, pre-split term ID.
* @return array Array of new term IDs, keyed by taxonomy.
*/
function wp_get_split_terms( $old_term_id ) {
$split_terms = get_option( '_split_terms', array() );
$terms = array();
if ( isset( $split_terms[ $old_term_id ] ) ) {
$terms = $split_terms[ $old_term_id ];
}
return $terms;
}
/**
* Gets the new term ID corresponding to a previously split term.
*
* @since 4.2.0
*
* @param int $old_term_id Term ID. This is the old, pre-split term ID.
* @param string $taxonomy Taxonomy that the term belongs to.
* @return int|false If a previously split term is found corresponding to the old term_id and taxonomy,
* the new term_id will be returned. If no previously split term is found matching
* the parameters, returns false.
*/
function wp_get_split_term( $old_term_id, $taxonomy ) {
$split_terms = wp_get_split_terms( $old_term_id );
$term_id = false;
if ( isset( $split_terms[ $taxonomy ] ) ) {
$term_id = (int) $split_terms[ $taxonomy ];
}
return $term_id;
}
/**
* Determines whether a term is shared between multiple taxonomies.
*
* Shared taxonomy terms began to be split in 4.3, but failed cron tasks or
* other delays in upgrade routines may cause shared terms to remain.
*
* @since 4.4.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $term_id Term ID.
* @return bool Returns false if a term is not shared between multiple taxonomies or
* if splitting shared taxonomy terms is finished.
*/
function wp_term_is_shared( $term_id ) {
global $wpdb;
if ( get_option( 'finished_splitting_shared_terms' ) ) {
return false;
}
$tt_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) );
return $tt_count > 1;
}
/**
* Generates a permalink for a taxonomy term archive.
*
* @since 2.5.0
*
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
*
* @param WP_Term|int|string $term The term object, ID, or slug whose link will be retrieved.
* @param string $taxonomy Optional. Taxonomy. Default empty.
* @return string|WP_Error URL of the taxonomy term archive on success, WP_Error if term does not exist.
*/
function get_term_link( $term, $taxonomy = '' ) {
global $wp_rewrite;
if ( ! is_object( $term ) ) {
if ( is_int( $term ) ) {
$term = get_term( $term, $taxonomy );
} else {
$term = get_term_by( 'slug', $term, $taxonomy );
}
}
if ( ! is_object( $term ) ) {
$term = new WP_Error( 'invalid_term', __( 'Empty Term.' ) );
}
if ( is_wp_error( $term ) ) {
return $term;
}
$taxonomy = $term->taxonomy;
$termlink = $wp_rewrite->get_extra_permastruct( $taxonomy );
/**
* Filters the permalink structure for a term before token replacement occurs.
*
* @since 4.9.0
*
* @param string $termlink The permalink structure for the term's taxonomy.
* @param WP_Term $term The term object.
*/
$termlink = apply_filters( 'pre_term_link', $termlink, $term );
$slug = $term->slug;
$t = get_taxonomy( $taxonomy );
if ( empty( $termlink ) ) {
if ( 'category' === $taxonomy ) {
$termlink = '?cat=' . $term->term_id;
} elseif ( $t->query_var ) {
$termlink = "?$t->query_var=$slug";
} else {
$termlink = "?taxonomy=$taxonomy&term=$slug";
}
$termlink = home_url( $termlink );
} else {
if ( ! empty( $t->rewrite['hierarchical'] ) ) {
$hierarchical_slugs = array();
$ancestors = get_ancestors( $term->term_id, $taxonomy, 'taxonomy' );
foreach ( (array) $ancestors as $ancestor ) {
$ancestor_term = get_term( $ancestor, $taxonomy );
$hierarchical_slugs[] = $ancestor_term->slug;
}
$hierarchical_slugs = array_reverse( $hierarchical_slugs );
$hierarchical_slugs[] = $slug;
$termlink = str_replace( "%$taxonomy%", implode( '/', $hierarchical_slugs ), $termlink );
} else {
$termlink = str_replace( "%$taxonomy%", $slug, $termlink );
}
$termlink = home_url( user_trailingslashit( $termlink, 'category' ) );
}
// Back compat filters.
if ( 'post_tag' === $taxonomy ) {
/**
* Filters the tag link.
*
* @since 2.3.0
* @since 2.5.0 Deprecated in favor of {@see 'term_link'} filter.
* @since 5.4.1 Restored (un-deprecated).
*
* @param string $termlink Tag link URL.
* @param int $term_id Term ID.
*/
$termlink = apply_filters( 'tag_link', $termlink, $term->term_id );
} elseif ( 'category' === $taxonomy ) {
/**
* Filters the category link.
*
* @since 1.5.0
* @since 2.5.0 Deprecated in favor of {@see 'term_link'} filter.
* @since 5.4.1 Restored (un-deprecated).
*
* @param string $termlink Category link URL.
* @param int $term_id Term ID.
*/
$termlink = apply_filters( 'category_link', $termlink, $term->term_id );
}
/**
* Filters the term link.
*
* @since 2.5.0
*
* @param string $termlink Term link URL.
* @param WP_Term $term Term object.
* @param string $taxonomy Taxonomy slug.
*/
return apply_filters( 'term_link', $termlink, $term, $taxonomy );
}
/**
* Displays the taxonomies of a post with available options.
*
* This function can be used within the loop to display the taxonomies for a
* post without specifying the Post ID. You can also use it outside the Loop to
* display the taxonomies for a specific post.
*
* @since 2.5.0
*
* @param array $args {
* Arguments about which post to use and how to format the output. Shares all of the arguments
* supported by get_the_taxonomies(), in addition to the following.
*
* @type int|WP_Post $post Post ID or object to get taxonomies of. Default current post.
* @type string $before Displays before the taxonomies. Default empty string.
* @type string $sep Separates each taxonomy. Default is a space.
* @type string $after Displays after the taxonomies. Default empty string.
* }
*/
function the_taxonomies( $args = array() ) {
$defaults = array(
'post' => 0,
'before' => '',
'sep' => ' ',
'after' => '',
);
$parsed_args = wp_parse_args( $args, $defaults );
echo $parsed_args['before'] . implode( $parsed_args['sep'], get_the_taxonomies( $parsed_args['post'], $parsed_args ) ) . $parsed_args['after'];
}
/**
* Retrieves all taxonomies associated with a post.
*
* This function can be used within the loop. It will also return an array of
* the taxonomies with links to the taxonomy and name.
*
* @since 2.5.0
*
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
* @param array $args {
* Optional. Arguments about how to format the list of taxonomies. Default empty array.
*
* @type string $template Template for displaying a taxonomy label and list of terms.
* Default is "Label: Terms."
* @type string $term_template Template for displaying a single term in the list. Default is the term name
* linked to its archive.
* }
* @return string[] List of taxonomies.
*/
function get_the_taxonomies( $post = 0, $args = array() ) {
$post = get_post( $post );
$args = wp_parse_args(
$args,
array(
/* translators: %s: Taxonomy label, %l: List of terms formatted as per $term_template. */
'template' => __( '%s: %l.' ),
'term_template' => '%2$s',
)
);
$taxonomies = array();
if ( ! $post ) {
return $taxonomies;
}
foreach ( get_object_taxonomies( $post ) as $taxonomy ) {
$t = (array) get_taxonomy( $taxonomy );
if ( empty( $t['label'] ) ) {
$t['label'] = $taxonomy;
}
if ( empty( $t['args'] ) ) {
$t['args'] = array();
}
if ( empty( $t['template'] ) ) {
$t['template'] = $args['template'];
}
if ( empty( $t['term_template'] ) ) {
$t['term_template'] = $args['term_template'];
}
$terms = get_object_term_cache( $post->ID, $taxonomy );
if ( false === $terms ) {
$terms = wp_get_object_terms( $post->ID, $taxonomy, $t['args'] );
}
$links = array();
foreach ( $terms as $term ) {
$links[] = wp_sprintf( $t['term_template'], esc_attr( get_term_link( $term ) ), $term->name );
}
if ( $links ) {
$taxonomies[ $taxonomy ] = wp_sprintf( $t['template'], $t['label'], $links, $terms );
}
}
return $taxonomies;
}
/**
* Retrieves all taxonomy names for the given post.
*
* @since 2.5.0
*
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
* @return string[] An array of all taxonomy names for the given post.
*/
function get_post_taxonomies( $post = 0 ) {
$post = get_post( $post );
return get_object_taxonomies( $post );
}
/**
* Determines if the given object is associated with any of the given terms.
*
* The given terms are checked against the object's terms' term_ids, names and slugs.
* Terms given as integers will only be checked against the object's terms' term_ids.
* If no terms are given, determines if object is associated with any terms in the given taxonomy.
*
* @since 2.7.0
*
* @param int $object_id ID of the object (post ID, link ID, ...).
* @param string $taxonomy Single taxonomy name.
* @param int|string|int[]|string[] $terms Optional. Term ID, name, slug, or array of such
* to check against. Default null.
* @return bool|WP_Error WP_Error on input error.
*/
function is_object_in_term( $object_id, $taxonomy, $terms = null ) {
$object_id = (int) $object_id;
if ( ! $object_id ) {
return new WP_Error( 'invalid_object', __( 'Invalid object ID.' ) );
}
$object_terms = get_object_term_cache( $object_id, $taxonomy );
if ( false === $object_terms ) {
$object_terms = wp_get_object_terms( $object_id, $taxonomy, array( 'update_term_meta_cache' => false ) );
if ( is_wp_error( $object_terms ) ) {
return $object_terms;
}
wp_cache_set( $object_id, wp_list_pluck( $object_terms, 'term_id' ), "{$taxonomy}_relationships" );
}
if ( is_wp_error( $object_terms ) ) {
return $object_terms;
}
if ( empty( $object_terms ) ) {
return false;
}
if ( empty( $terms ) ) {
return ( ! empty( $object_terms ) );
}
$terms = (array) $terms;
$ints = array_filter( $terms, 'is_int' );
if ( $ints ) {
$strs = array_diff( $terms, $ints );
} else {
$strs =& $terms;
}
foreach ( $object_terms as $object_term ) {
// If term is an int, check against term_ids only.
if ( $ints && in_array( $object_term->term_id, $ints, true ) ) {
return true;
}
if ( $strs ) {
// Only check numeric strings against term_id, to avoid false matches due to type juggling.
$numeric_strs = array_map( 'intval', array_filter( $strs, 'is_numeric' ) );
if ( in_array( $object_term->term_id, $numeric_strs, true ) ) {
return true;
}
if ( in_array( $object_term->name, $strs, true ) ) {
return true;
}
if ( in_array( $object_term->slug, $strs, true ) ) {
return true;
}
}
}
return false;
}
/**
* Determines if the given object type is associated with the given taxonomy.
*
* @since 3.0.0
*
* @param string $object_type Object type string.
* @param string $taxonomy Single taxonomy name.
* @return bool True if object is associated with the taxonomy, otherwise false.
*/
function is_object_in_taxonomy( $object_type, $taxonomy ) {
$taxonomies = get_object_taxonomies( $object_type );
if ( empty( $taxonomies ) ) {
return false;
}
return in_array( $taxonomy, $taxonomies, true );
}
/**
* Gets an array of ancestor IDs for a given object.
*
* @since 3.1.0
* @since 4.1.0 Introduced the `$resource_type` argument.
*
* @param int $object_id Optional. The ID of the object. Default 0.
* @param string $object_type Optional. The type of object for which we'll be retrieving
* ancestors. Accepts a post type or a taxonomy name. Default empty.
* @param string $resource_type Optional. Type of resource $object_type is. Accepts 'post_type'
* or 'taxonomy'. Default empty.
* @return int[] An array of IDs of ancestors from lowest to highest in the hierarchy.
*/
function get_ancestors( $object_id = 0, $object_type = '', $resource_type = '' ) {
$object_id = (int) $object_id;
$ancestors = array();
if ( empty( $object_id ) ) {
/** This filter is documented in wp-includes/taxonomy.php */
return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type );
}
if ( ! $resource_type ) {
if ( is_taxonomy_hierarchical( $object_type ) ) {
$resource_type = 'taxonomy';
} elseif ( post_type_exists( $object_type ) ) {
$resource_type = 'post_type';
}
}
if ( 'taxonomy' === $resource_type ) {
$term = get_term( $object_id, $object_type );
while ( ! is_wp_error( $term ) && ! empty( $term->parent ) && ! in_array( $term->parent, $ancestors, true ) ) {
$ancestors[] = (int) $term->parent;
$term = get_term( $term->parent, $object_type );
}
} elseif ( 'post_type' === $resource_type ) {
$ancestors = get_post_ancestors( $object_id );
}
/**
* Filters a given object's ancestors.
*
* @since 3.1.0
* @since 4.1.1 Introduced the `$resource_type` parameter.
*
* @param int[] $ancestors An array of IDs of object ancestors.
* @param int $object_id Object ID.
* @param string $object_type Type of object.
* @param string $resource_type Type of resource $object_type is.
*/
return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type );
}
/**
* Returns the term's parent's term ID.
*
* @since 3.1.0
*
* @param int $term_id Term ID.
* @param string $taxonomy Taxonomy name.
* @return int|false Parent term ID on success, false on failure.
*/
function wp_get_term_taxonomy_parent_id( $term_id, $taxonomy ) {
$term = get_term( $term_id, $taxonomy );
if ( ! $term || is_wp_error( $term ) ) {
return false;
}
return (int) $term->parent;
}
/**
* Checks the given subset of the term hierarchy for hierarchy loops.
* Prevents loops from forming and breaks those that it finds.
*
* Attached to the {@see 'wp_update_term_parent'} filter.
*
* @since 3.1.0
*
* @param int $parent_term `term_id` of the parent for the term we're checking.
* @param int $term_id The term we're checking.
* @param string $taxonomy The taxonomy of the term we're checking.
* @return int The new parent for the term.
*/
function wp_check_term_hierarchy_for_loops( $parent_term, $term_id, $taxonomy ) {
// Nothing fancy here - bail.
if ( ! $parent_term ) {
return 0;
}
// Can't be its own parent.
if ( $parent_term === $term_id ) {
return 0;
}
// Now look for larger loops.
$loop = wp_find_hierarchy_loop( 'wp_get_term_taxonomy_parent_id', $term_id, $parent_term, array( $taxonomy ) );
if ( ! $loop ) {
return $parent_term; // No loop.
}
// Setting $parent_term to the given value causes a loop.
if ( isset( $loop[ $term_id ] ) ) {
return 0;
}
// There's a loop, but it doesn't contain $term_id. Break the loop.
foreach ( array_keys( $loop ) as $loop_member ) {
wp_update_term( $loop_member, $taxonomy, array( 'parent' => 0 ) );
}
return $parent_term;
}
/**
* Determines whether a taxonomy is considered "viewable".
*
* @since 5.1.0
*
* @param string|WP_Taxonomy $taxonomy Taxonomy name or object.
* @return bool Whether the taxonomy should be considered viewable.
*/
function is_taxonomy_viewable( $taxonomy ) {
if ( is_scalar( $taxonomy ) ) {
$taxonomy = get_taxonomy( $taxonomy );
if ( ! $taxonomy ) {
return false;
}
}
return $taxonomy->publicly_queryable;
}
/**
* Determines whether a term is publicly viewable.
*
* A term is considered publicly viewable if its taxonomy is viewable.
*
* @since 6.1.0
*
* @param int|WP_Term $term Term ID or term object.
* @return bool Whether the term is publicly viewable.
*/
function is_term_publicly_viewable( $term ) {
$term = get_term( $term );
if ( ! $term ) {
return false;
}
return is_taxonomy_viewable( $term->taxonomy );
}
/**
* Sets the last changed time for the 'terms' cache group.
*
* @since 5.0.0
*/
function wp_cache_set_terms_last_changed() {
wp_cache_set_last_changed( 'terms' );
}
/**
* Aborts calls to term meta if it is not supported.
*
* @since 5.0.0
*
* @param mixed $check Skip-value for whether to proceed term meta function execution.
* @return mixed Original value of $check, or false if term meta is not supported.
*/
function wp_check_term_meta_support_prefilter( $check ) {
if ( get_option( 'db_version' ) < 34370 ) {
return false;
}
return $check;
}