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File Name : breadcrumb.php

<?php

namespace Yoast\WP\SEO\Generators\Schema;

use Yoast\WP\SEO\Config\Schema_IDs;

/**
 * Returns schema Breadcrumb data.
 */
class Breadcrumb extends Abstract_Schema_Piece {

/**
	 * Determine if we should add a breadcrumb attribute.
	 *
	 * @return bool
	 */
	public function is_needed() {
		if ( $this->context->indexable->object_type === 'unknown' ) {
			return false;
		}

if ( $this->context->indexable->object_type === 'system-page' && $this->context->indexable->object_sub_type === '404' ) {
			return false;
		}

return true;
	}

/**
	 * Returns Schema breadcrumb data to allow recognition of page's position in the site hierarchy.
	 *
	 * @link https://developers.google.com/search/docs/data-types/breadcrumb
	 *
	 * @return bool|array Array on success, false on failure.
	 */
	public function generate() {
		$breadcrumbs   = $this->context->presentation->breadcrumbs;
		$list_elements = [];

// In case of pagination, replace the last breadcrumb, because it only contains "Page [number]" and has no URL.
		if (
			(
				$this->helpers->current_page->is_paged()
				|| $this->context->indexable->number_of_pages > 1
			) && (
				// Do not replace the last breadcrumb on static post pages.
				! $this->helpers->current_page->is_static_posts_page()
				// Do not remove the last breadcrumb if only one exists (bugfix for custom paginated frontpages).
				&& \count( $breadcrumbs ) > 1
			)
		) {
			\array_pop( $breadcrumbs );
		}

// Only output breadcrumbs that are not hidden.
		$breadcrumbs = \array_filter( $breadcrumbs, [ $this, 'not_hidden' ] );

\reset( $breadcrumbs );

/*
		 * Check whether at least one of the breadcrumbs is broken.
		 * If so, do not output anything.
		 */
		foreach ( $breadcrumbs as $breadcrumb ) {
			if ( $this->is_broken( $breadcrumb ) ) {
				return false;
			}
		}

// Create the last breadcrumb.
		$last_breadcrumb = \array_pop( $breadcrumbs );
		$breadcrumbs[]   = $this->format_last_breadcrumb( $last_breadcrumb );

// If this is a static front page, prevent nested pages from creating a trail.
		if ( $this->helpers->current_page->is_home_static_page() ) {

// Check if we're dealing with a nested page.
			if ( \count( $breadcrumbs ) > 1 ) {

// Store the breadcrumbs home variable before dropping the parent page from the Schema.
				$breadcrumbs_home = $breadcrumbs[0]['text'];
				$breadcrumbs      = [ \array_pop( $breadcrumbs ) ];

// Make the child page show the breadcrumbs home variable rather than its own title.
				$breadcrumbs[0]['text'] = $breadcrumbs_home;
			}
		}

$breadcrumbs = \array_filter( $breadcrumbs, [ $this, 'not_empty_text' ] );
		$breadcrumbs = \array_values( $breadcrumbs );

// Create intermediate breadcrumbs.
		foreach ( $breadcrumbs as $index => $breadcrumb ) {
			$list_elements[] = $this->create_breadcrumb( $index, $breadcrumb );
		}

return [
			'@type'           => 'BreadcrumbList',
			'@id'             => $this->context->canonical . Schema_IDs::BREADCRUMB_HASH,
			'itemListElement' => $list_elements,
		];
	}

/**
	 * Returns a breadcrumb array.
	 *
	 * @param int   $index      The position in the list.
	 * @param array $breadcrumb The position in the list.
	 *
	 * @return array A breadcrumb listItem.
	 */
	private function create_breadcrumb( $index, $breadcrumb ) {
		$crumb = [
			'@type'    => 'ListItem',
			'position' => ( $index + 1 ),
			'name'     => $this->helpers->schema->html->smart_strip_tags( $breadcrumb['text'] ),
		];

if ( ! empty( $breadcrumb['url'] ) ) {
			$crumb['item'] = $breadcrumb['url'];
		}

return $crumb;
	}

/**
	 * Creates the last breadcrumb in the breadcrumb list, omitting the URL per Google's spec.
	 *
	 * @link https://developers.google.com/search/docs/data-types/breadcrumb
	 *
	 * @param array $breadcrumb The position in the list.
	 *
	 * @return array The last of the breadcrumbs.
	 */
	private function format_last_breadcrumb( $breadcrumb ) {
		unset( $breadcrumb['url'] );

return $breadcrumb;
	}

/**
	 * Tests if the breadcrumb is broken.
	 * A breadcrumb is considered broken:
	 * - when it is not an array.
	 * - when it has no URL or text.
	 *
	 * @param array $breadcrumb The breadcrumb to test.
	 *
	 * @return bool `true` if the breadcrumb is broken.
	 */
	private function is_broken( $breadcrumb ) {
		// A breadcrumb is broken if it is not an array.
		if ( ! \is_array( $breadcrumb ) ) {
			return true;
		}

// A breadcrumb is broken if it does not contain a URL or text.
		if ( ! \array_key_exists( 'url', $breadcrumb ) || ! \array_key_exists( 'text', $breadcrumb ) ) {
			return true;
		}

return false;
	}

/**
	 * Checks whether the breadcrumb is not set to be hidden.
	 *
	 * @param array $breadcrumb The breadcrumb array.
	 *
	 * @return bool If the breadcrumb should not be hidden.
	 */
	private function not_hidden( $breadcrumb ) {
		return empty( $breadcrumb['hide_in_schema'] );
	}

/**
	 * Checks whether the breadcrumb has a not empty text.
	 *
	 * @param array $breadcrumb The breadcrumb array.
	 *
	 * @return bool If the breadcrumb has a not empty text.
	 */
	private function not_empty_text( $breadcrumb ) {
		return ! empty( $breadcrumb['text'] );
	}
}

System Information
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File : BlackDragon /index.php

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	uwukycr/users	0555	2024-10-12 06:30:58
..	dir	-	uwukycr/users	0555	2024-10-12 06:30:58
.htaccess	text/plain	123 B	uwukycr/users	0555	2024-10-12 06:30:58
abstract-schema-piece.php	text/x-php	794 B	uwukycr/users	0555	2024-09-20 03:27:18
article.php	text/x-php	7.17 KB	uwukycr/users	0555	2024-09-20 03:27:18
author.php	text/x-php	2.95 KB	uwukycr/users	0555	2024-09-20 03:27:18
breadcrumb.php	text/x-php	5.05 KB	uwukycr/users	0555	2024-09-20 03:27:18
faq.php	text/x-php	2.91 KB	uwukycr/users	0555	2024-09-20 03:27:18
howto.php	text/x-php	5.13 KB	uwukycr/users	0555	2024-09-20 03:27:18
main-image.php	text/x-php	1.14 KB	uwukycr/users	0555	2024-09-20 03:27:18
organization.php	text/x-php	2.6 KB	uwukycr/users	0555	2024-09-20 03:27:18
person.php	text/x-php	9.54 KB	uwukycr/users	0555	2024-09-20 03:27:18
webpage.php	text/x-php	4.76 KB	uwukycr/users	0555	2024-09-20 03:27:18
website.php	text/x-php	2.71 KB	uwukycr/users	0555	2024-09-20 03:27:18