_illegal_markup',
				__( 'Markup is not allowed in CSS.' ),
				array( 'status' => 400 )
			);
		}
		return true;
	}
}
rue );
	}

	/**
	 * Checks whether a given taxonomy is public.
	 *
	 * @since 4.2.2
	 *
	 * @param  string  $taxonomy The taxonomy.
	 * @return bool              Whether the taxonomy is public.
	 */
	public function isTaxonomyPublic( $taxonomy ) {
		$publicTaxonomies = $this->getPublicTaxonomies( true );

		return in_array( $taxonomy, $publicTaxonomies, true );
	}

	/**
	 * Returns noindexed object types of a given parent type.
	 *
	 * @since 4.0.0
	 *
	 * @param  string $type The parent object type ("postTypes" or "taxonomies").
	 * @return array        A list of noindexed objects types.
	 */
	private function getNoindexedObjects( $type ) {
		$noindexed = [];
		foreach ( aioseo()->dynamicOptions->searchAppearance->$type->all() as $name => $object ) {
			if (
				! $object['show'] ||
				( $object['advanced']['robotsMeta'] && ! $object['advanced']['robotsMeta']['default'] && $object['advanced']['robotsMeta']['noindex'] )
			) {
				$noindexed[] = $name;
			}
		}

		return $noindexed;
	}

	/**
	 * Returns all categories for a post.
	 *
	 * @since 4.1.4
	 *
	 * @param  int   $postId The post ID.
	 * @return array         The category names.
	 */
	public function getAllCategories( $postId = 0 ) {
		$names      = [];
		$categories = get_the_category( $postId );
		if ( $categories && count( $categories ) ) {
			foreach ( $categories as $category ) {
				$names[] = aioseo()->helpers->internationalize( $category->name );
			}
		}

		return $names;
	}

	/**
	 * Returns all tags for a post.
	 *
	 * @since 4.1.4
	 *
	 * @param  int   $postId The post ID.
	 * @return array $names  The tag names.
	 */
	public function getAllTags( $postId = 0 ) {
		$names = [];

		$tags = get_the_tags( $postId );
		if ( ! empty( $tags ) && ! is_wp_error( $tags ) ) {
			foreach ( $tags as $tag ) {
				if ( ! empty( $tag->name ) ) {
					$names[] = aioseo()->helpers->internationalize( $tag->name );
				}
			}
		}

		return $names;
	}

	/**
	 * Loads the translations for a given domain.
	 *
	 * @since 4.1.4
	 *
	 * @return void
	 */
	public function loadTextDomain( $domain ) {
		if ( ! is_user_logged_in() ) {
			return;
		}

		// Unload the domain in case WordPress has enqueued the translations for the site language instead of profile language.
		// Reloading the text domain will otherwise not override the existing loaded translations.
		unload_textdomain( $domain );

		$mofile = $domain . '-' . get_user_locale() . '.mo';
		load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile );
	}

	/**
	 * Get the page builder the given Post ID was built with.
	 *
	 * @since 4.1.7
	 *
	 * @param  int         $postId The Post ID.
	 * @return bool|string         The page builder or false if not built with page builders.
	 */
	public function getPostPageBuilderName( $postId ) {
		foreach ( aioseo()->standalone->pageBuilderIntegrations as $integration => $pageBuilder ) {
			if ( $pageBuilder->isBuiltWith( $postId ) ) {
				return $integration;
			}
		}

		return false;
	}

	/**
	 * Get the edit link for the given Post ID.
	 *
	 * @since 4.3.1
	 *
	 * @param  int         $postId The Post ID.
	 * @return bool|string         The edit link or false if not built with page builders.
	 */
	public function getPostEditLink( $postId ) {
		$pageBuilder = $this->getPostPageBuilderName( $postId );
		if ( ! empty( $pageBuilder ) ) {
			return aioseo()->standalone->pageBuilderIntegrations[ $pageBuilder ]->getEditUrl( $postId );
		}

		return get_edit_post_link( $postId );
	}

	/**
	 * Checks if the current user can edit posts of the given post type.
	 *
	 * @since 4.1.9
	 *
	 * @param  string $postType The name of the post type.
	 * @return bool             Whether the user can edit posts of the given post type.
	 */
	public function canEditPostType( $postType ) {
		$capabilities = $this->getPostTypeCapabilities( $postType );

		return current_user_can( $capabilities['edit_posts'] );
	}

	/**
	 * Returns a list of capabilities for the given post type.
	 *
	 * @since 4.1.9
	 *
	 * @param  string $postType The name of the post type.
	 * @return array            The capabilities.
	 */
	public function getPostTypeCapabilities( $postType ) {
		static $capabilities = [];
		if ( isset( $capabilities[ $postType ] ) ) {
			return $capabilities[ $postType ];
		}

		$postTypeObject = get_post_type_object( $postType );
		if ( ! is_a( $postTypeObject, 'WP_Post_Type' ) ) {
			$capabilities[ $postType ] = [];

			return $capabilities[ $postType ];
		}

		$capabilityType = $postTypeObject->capability_type;
		if ( ! is_array( $capabilityType ) ) {
			$capabilityType = [
				$capabilityType,
				$capabilityType . 's'
			];
		}

		// Singular base for meta capabilities, plural base for primitive capabilities.
		list( $singularBase, $pluralBase ) = $capabilityType;

		$capabilities[ $postType ] = [
			'edit_post'          => 'edit_' . $singularBase,
			'read_post'          => 'read_' . $singularBase,
			'delete_post'        => 'delete_' . $singularBase,
			'edit_posts'         => 'edit_' . $pluralBase,
			'edit_others_posts'  => 'edit_others_' . $pluralBase,
			'delete_posts'       => 'delete_' . $pluralBase,
			'publish_posts'      => 'publish_' . $pluralBase,
			'read_private_posts' => 'read_private_' . $pluralBase,
		];

		return $capabilities[ $postType ];
	}

	/**
	 * Checks if the current user can edit terms of the given taxonomy.
	 *
	 * @since 4.1.9
	 *
	 * @param  string $taxonomy The name of the taxonomy.
	 * @return bool             Whether the user can edit posts of the given taxonomy.
	 */
	public function canEditTaxonomy( $taxonomy ) {
		$capabilities = $this->getTaxonomyCapabilities( $taxonomy );

		return current_user_can( $capabilities['edit_terms'] );
	}

	/**
	 * Returns a list of capabilities for the given taxonomy.
	 *
	 * @since 4.1.9
	 *
	 * @param  string $taxonomy The name of the taxonomy.
	 * @return array            The capabilities.
	 */
	public function getTaxonomyCapabilities( $taxonomy ) {
		static $capabilities = [];
		if ( isset( $capabilities[ $taxonomy ] ) ) {
			return $capabilities[ $taxonomy ];
		}

		$taxonomyObject = get_taxonomy( $taxonomy );
		if ( ! is_a( $taxonomyObject, 'WP_Taxonomy' ) ) {
			$capabilities[ $taxonomy ] = [];

			return $capabilities[ $taxonomy ];
		}

		$capabilities[ $taxonomy ] = (array) $taxonomyObject->cap;

		return $capabilities[ $taxonomy ];
	}

	/**
	 * Returns the charset for the site.
	 *
	 * @since 4.2.3
	 *
	 * @return string The name of the charset.
	 */
	public function getCharset() {
		static $charset = null;
		if ( null !== $charset ) {
			return $charset;
		}

		$charset = get_option( 'blog_charset' );
		$charset = $charset ? $charset : 'UTF-8';

		return $charset;
	}

	/**
	 * Returns the given data as JSON.
	 * We temporarily change the floating point precision in order to prevent rounding errors.
	 * Otherwise e.g. 4.9 could be output as 4.90000004.
	 *
	 * @since 4.2.7
	 *
	 * @param  mixed  $data  The data.
	 * @param  int    $flags The flags.
	 * @return string        The JSON output.
	 */
	public function wpJsonEncode( $data, $flags = 0 ) {
		$originalPrecision          = false;
		$originalSerializePrecision = false;
		if ( version_compare( PHP_VERSION, '7.1', '>=' ) ) {
			$originalPrecision          = ini_get( 'precision' );
			$originalSerializePrecision = ini_get( 'serialize_precision' );
			ini_set( 'precision', 17 );
			ini_set( 'serialize_precision', -1 );
		}

		$json = wp_json_encode( $data, $flags );

		if ( version_compare( PHP_VERSION, '7.1', '>=' ) ) {
			ini_set( 'precision', $originalPrecision );
			ini_set( 'serialize_precision', $originalSerializePrecision );
		}

		return $json;
	}

	/**
	 * Returns the post title or a placeholder if there isn't one.
	 *
	 * @since 4.3.0
	 *
	 * @param  int    $postId The post ID.
	 * @return string         The post title.
	 */
	public function getPostTitle( $postId ) {
		static $titles = [];
		if ( isset( $titles[ $postId ] ) ) {
			return $titles[ $postId ];
		}

		$post = aioseo()->helpers->getPost( $postId );
		if ( ! is_a( $post, 'WP_Post' ) ) {
			$titles[ $postId ] = __( '(no title)' ); // phpcs:ignore AIOSEO.Wp.I18n.MissingArgDomain

			return $titles[ $postId ];
		}

		$title = $post->post_title;
		$title = $title ? $title : __( '(no title)' ); // phpcs:ignore AIOSEO.Wp.I18n.MissingArgDomain

		$titles[ $postId ] = aioseo()->helpers->decodeHtmlEntities( $title );

		return $titles[ $postId ];
	}

	/**
	 * Checks whether the post status should be considered viewable.
	 * This function is a copy of the WordPress core function is_post_status_viewable() which was introduced in WP 5.7.
	 *
	 * @since 4.5.0
	 *
	 * @param  string|\stdClass $postStatus The post status name or object.
	 * @return bool                         Whether the post status is viewable.
	 */
	public function isPostStatusViewable( $postStatus ) {
		if ( is_scalar( $postStatus ) ) {
			$postStatus = get_post_status_object( $postStatus );

			if ( ! $postStatus ) {
				return false;
			}
		}

		if (
			! is_object( $postStatus ) ||
			$postStatus->internal ||
			$postStatus->protected
		) {
			return false;
		}

		return $postStatus->publicly_queryable || ( $postStatus->_builtin && $postStatus->public );
	}

	/**
	 * Checks whether the given post is publicly viewable.
	 * This function is a copy of the WordPress core function is_post_publicly_viewable() which was introduced in WP 5.7.
	 *
	 * @since 4.5.0
	 *
	 * @param  int|\WP_Post  $post Optional. Post ID or post object. Defaults to global $post.
	 * @return boolean                      Whether the post is publicly viewable or not.
	 */
	public function isPostPubliclyViewable( $post = null ) {
		$post = get_post( $post );
		if ( empty( $post ) ) {
			return false;
		}

		$postType   = get_post_type( $post );
		$postStatus = get_post_status( $post );

		return is_post_type_viewable( $postType ) && $this->isPostStatusViewable( $postStatus );
	}

	/**
	 * Only register a legacy widget if the WP version is lower than 5.8 or the widget is being used.
	 * The "Block-based Widgets Editor" was released in WP 5.8, so for WP versions below 5.8 it's okay to register them.
	 * The main purpose here is to avoid blocks and widgets with the same name to be displayed on the Customizer,
	 * like e.g. the "Breadcrumbs" Block and Widget.
	 *
	 * @since 4.3.9
	 *
	 * @param string $idBase The base ID of a widget created by extending WP_Widget.
	 * @return bool          Whether the legacy widget can be registered.
	 */
	public function canRegisterLegacyWidget( $idBase ) {
		global $wp_version;
		if (
			version_compare( $wp_version, '5.8', '<' ) ||
			is_active_widget( false, false, $idBase ) ||
			aioseo()->standalone->pageBuilderIntegrations['elementor']->isPluginActive()
		) {
			return true;
		}

		return false;
	}
}