;

		$display = '<div class="aioseo-breadcrumbs">';
		foreach ( $breadcrumbs as $breadcrumb ) {
			--$breadcrumbsCount;

			$breadcrumbDisplay = $this->breadcrumbToDisplay( $breadcrumb );

			// Strip link from Last crumb.
			if (
				0 === $breadcrumbsCount &&
				aioseo()->breadcrumbs->showCurrentItem() &&
				! $this->linkCurrentItem() &&
				'default' === $breadcrumbDisplay['templateType']
			) {
				$breadcrumbDisplay['template'] = $this->stripLink( $breadcrumbDisplay['template'] );
			}

			$display .= $breadcrumbDisplay['template'];

			if ( 0 < $breadcrumbsCount ) {
				$display .= $this->getSeparator();
			}
		}
		$display .= '</div>';

		$display = wp_kses_post( $display );

		if ( $echo ) {
			echo $display; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		}

		return $display;
	}

	/**
	 * Turns a crumb array into a rendered html crumb.
	 *
	 * @since 4.1.1
	 *
	 * @param  array       $item The crumb array.
	 * @return string|void       The crumb html.
	 */
	protected function breadcrumbToDisplay( $item ) {
		$templateItem = $this->getCrumbTemplate( $item );
		if ( empty( $templateItem['template'] ) ) {
			return;
		}

		// Do tags.
		$templateItem['template'] = aioseo()->breadcrumbs->tags->replaceTags( $templateItem['template'], $item );

		// Restore html.
		$templateItem['template'] = aioseo()->helpers->decodeHtmlEntities( $templateItem['template'] );

		// Remove html link if it comes back from the template but we passed no links to it.
		if ( empty( $item['link'] ) ) {
			$templateItem['template'] = $this->stripLink( $templateItem['template'] );
		}

		// Allow shortcodes to run in the final html.
		$templateItem['template'] = do_shortcode( $templateItem['template'] );

		// Final security cleaning.
		$templateItem['template'] = wp_kses_post( $templateItem['template'] );

		return $templateItem;
	}

	/**
	 * Helper function to get a crumb's template.
	 *
	 * @since 4.1.1
	 *
	 * @param  array $crumb The crumb array.
	 * @return string       The html template.
	 */
	protected function getTemplate( $crumb ) {
		return $this->getDefaultTemplate( $crumb );
	}

	/**
	 * Helper function to get a crumb's template.
	 *
	 * @since 4.1.1
	 *
	 * @param  array $crumb The crumb array.
	 * @return array        The template type and html.
	 */
	protected function getCrumbTemplate( $crumb ) {
		return [
			'templateType' => 'default',
			'template'     => $this->getTemplate( $crumb )
		];
	}

	/**
	 * Default html template.
	 *
	 * @since 4.1.1
	 *
	 * @param  string $type      The crumb's type.
	 * @param  mixed  $reference The crumb's reference.
	 * @return string            The default crumb template.
	 */
	public function getDefaultTemplate( $type = '', $reference = '' ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		return <<<TEMPLATE
<span class="aioseo-breadcrumb">
	<a href="#breadcrumb_link" title="#breadcrumb_label">#breadcrumb_label</a>
</span>
TEMPLATE;
	}

	/**
	 * Helper function to strip a html link from the crumb.
	 *
	 * @since 4.1.1
	 *
	 * @param  string $html The crumb's html.
	 * @return string       A crumb html without links.
	 */
	public function stripLink( $html ) {
		return preg_replace( '/<a\s.*?>|<\/a>/is', '', $html );
	}

	/**
	 * Get the breadcrumb configured separator.
	 *
	 * @since 4.1.1
	 *
	 * @return string The separator html.
	 */
	public function getSeparator() {
		$separator = apply_filters( 'aioseo_breadcrumbs_separator_symbol', aioseo()->options->breadcrumbs->separator );

		return apply_filters( 'aioseo_breadcrumbs_separator', '<span class="aioseo-breadcrumb-separator">' . esc_html( $separator ) . '</span>' );
	}

	/**
	 * Function to filter the linkCurrentItem option.
	 *
	 * @since 4.1.3
	 *
	 * @return bool Link current item.
	 */
	public function linkCurrentItem() {
		return apply_filters( 'aioseo_breadcrumbs_link_current_item', aioseo()->options->breadcrumbs->linkCurrentItem );
	}
}