| Current File : /var/www/pediatribu/wp-content/plugins/seo-by-rank-math/includes/frontend/class-breadcrumbs.php |
<?php
/**
* The Breadcrumbs.
*
* @since 0.9.0
* @package RankMath
* @subpackage RankMath\Frontend
* @author Rank Math <support@rankmath.com>
*
* @copyright Copyright (C) 2015, WooCommerce
* The following code is a derivative work of the code from the WooCommerce(https://github.com/woocommerce/woocommerce/), which is licensed under GPL v3.
*/
namespace RankMath\Frontend;
use RankMath\Helper;
use RankMath\Traits\Hooker;
use RankMath\Helpers\Security;
use WP_Error;
use WP_Term;
defined( 'ABSPATH' ) || exit;
/**
* Breadcrumbs class.
*/
class Breadcrumbs {
use Hooker;
/**
* Breadcrumb trail.
*
* @var array
*/
private $crumbs = [];
/**
* Breadcrumb settings.
*
* @var array
*/
private $settings = [];
/**
* String.
*
* @var array
*/
private $strings = [];
/**
* Get an instance of the class.
*
* @return Breadcrumb The instancec.
*/
public static function get() {
static $instance;
$instance = false;
if ( Helper::is_breadcrumbs_enabled() && false === $instance ) {
$instance = new Breadcrumbs();
}
return $instance;
}
/**
* Convenience method to output as string.
*
* @return string
*/
public function __toString() {
return $this->get_breadcrumb();
}
/**
* The Constructor
*
* @codeCoverageIgnore
*/
public function __construct() {
$this->settings = wp_parse_args(
$this->do_filter( 'frontend/breadcrumb/settings', [] ),
[
'home' => Helper::get_settings( 'general.breadcrumbs_home' ),
'separator' => Helper::get_settings( 'general.breadcrumbs_separator' ),
'remove_title' => Helper::get_settings( 'general.breadcrumbs_remove_post_title' ),
'hide_tax_name' => Helper::get_settings( 'general.breadcrumbs_hide_taxonomy_name' ),
'show_ancestors' => Helper::get_settings( 'general.breadcrumbs_ancestor_categories' ),
'show_blog' => Helper::get_settings( 'general.breadcrumbs_blog_page' ),
'show_pagination' => true,
]
);
$this->strings = wp_parse_args(
$this->do_filter( 'frontend/breadcrumb/strings', [] ),
[
'prefix' => Helper::get_settings( 'general.breadcrumbs_prefix' ),
'home' => Helper::get_settings( 'general.breadcrumbs_home_label' ),
'home_link' => Helper::get_settings( 'general.breadcrumbs_home_link', home_url() ),
'error404' => Helper::get_settings( 'general.breadcrumbs_404_label' ),
/* translators: search query */
'search_format' => Helper::get_settings( 'general.breadcrumbs_search_format' ),
/* translators: archive title */
'archive_format' => Helper::get_settings( 'general.breadcrumbs_archive_format' ),
]
);
}
/**
* Get the breadcrumbs.
*
* @param array $args Arguments.
* @return string
*/
public function get_breadcrumb( $args = [] ) {
$args = $this->do_filter(
'frontend/breadcrumb/args',
wp_parse_args(
$args,
[
'separator' => $this->settings['separator'],
'wrap_before' => '<nav aria-label="breadcrumbs" class="rank-math-breadcrumb"><p>',
'wrap_after' => '</p></nav>',
'before' => '',
'after' => '',
]
)
);
$html = '';
$crumbs = $this->get_crumbs();
$remove_title = ( is_single() || is_page() ) && $this->settings['remove_title'];
if ( $remove_title ) {
array_pop( $crumbs );
}
$size = count( $crumbs );
if ( ! empty( $this->strings['prefix'] ) ) {
$html .= \sprintf( '<span class="label">%s</span> ', $this->strings['prefix'] );
}
foreach ( $crumbs as $key => $crumb ) {
$link = ! empty( $crumb[1] ) && ( $remove_title || $size !== $key + 1 );
$link = $link ? '<a href="' . esc_url( $crumb[1] ) . '">' . esc_html( $crumb[0] ) . '</a>' :
'<span class="last">' . esc_html( $crumb[0] ) . '</span>';
$html .= wp_kses_post( $args['before'] ) . $link . wp_kses_post( $args['after'] );
if ( $size !== $key + 1 ) {
$html .= '<span class="separator"> ' . wp_kses_post( $args['separator'] ) . ' </span>';
}
}
$html = wp_kses_post( $args['wrap_before'] ) . $html . wp_kses_post( $args['wrap_after'] );
/**
* Change the breadcrumbs HTML output.
*
* @param string $html HTML output.
* @param array $crumbs The breadcrumbs array.
* @param Breadcrumbs $this Current breadcrumb.
*/
return $this->do_filter( 'frontend/breadcrumb/html', wp_kses_post( $html ), $crumbs, $this );
}
/**
* Get the breadrumb trail.
*
* @return array
*/
public function get_crumbs() {
if ( empty( $this->crumbs ) ) {
$this->generate();
}
/**
* Change the breadcrumb items.
*
* @param array $crumbs The breadcrumbs array.
* @param Breadcrumbs $this Current breadcrumb.
*/
return $this->do_filter( 'frontend/breadcrumb/items', $this->crumbs, $this );
}
/**
* Add an item to the breadcrumbs.
*
* @param string $name Name.
* @param string $link Link.
* @param bool $hide_in_schema Don't include in JSON-LD.
*/
private function add_crumb( $name, $link = '', $hide_in_schema = false ) {
$this->crumbs[] = [
wp_strip_all_tags( $name ),
$link,
'hide_in_schema' => $hide_in_schema,
];
}
/**
* Generate the breadcrumb trail.
*/
private function generate() {
$conditionals = [
'is_home',
'is_404',
'is_search',
'is_attachment',
'is_shop',
'is_product',
'is_singular',
'is_product_category',
'is_product_tag',
'is_post_type_archive',
'is_category',
'is_tag',
'is_tax',
'is_date',
'is_author',
];
$this->maybe_add_home_crumb();
if ( ! $this->can_generate() ) {
return;
}
foreach ( $conditionals as $conditional ) {
if ( function_exists( $conditional ) && call_user_func( $conditional ) ) {
call_user_func( [ $this, 'add_crumbs_' . substr( $conditional, 3 ) ] );
break;
}
}
$this->maybe_add_page_crumb();
}
/**
* Can generate breadcrumb.
*
* @return bool
*/
private function can_generate() {
return (
! is_front_page() &&
! (
is_post_type_archive() &&
function_exists( 'wc_get_page_id' ) &&
intval( get_option( 'page_on_front' ) ) === wc_get_page_id( 'shop' ) )
) ||
is_paged();
}
/**
* Is home trail.
*/
private function add_crumbs_home() {
$this->add_crumb( single_post_title( '', false ) );
}
/**
* 404 trail.
*/
private function add_crumbs_404() {
$this->add_crumb( $this->strings['error404'] );
}
/**
* Search results trail.
*/
private function add_crumbs_search() {
$this->add_crumb( sprintf( $this->strings['search_format'], get_search_query() ), Security::remove_query_arg_raw( 'paged' ) );
}
/**
* Attachment trail.
*/
private function add_crumbs_attachment() {
global $post;
$this->add_crumbs_singular( $post->post_parent, get_permalink( $post->post_parent ) );
$this->add_crumb( $this->get_breadcrumb_title( 'post', get_the_ID(), get_the_title() ), get_permalink() );
}
/**
* Single product trail.
*/
private function add_crumbs_product() {
global $post;
$this->prepend_shop_page();
$main_tax = Helper::get_settings( 'titles.pt_product_primary_taxonomy' );
if ( $main_tax ) {
$this->maybe_add_primary_term( get_the_terms( $post->ID, $main_tax ) );
}
if ( isset( $post->ID ) ) {
$this->add_crumb( $this->get_breadcrumb_title( 'post', $post->ID, get_the_title( $post ) ), get_permalink( $post ) );
}
}
/**
* Single post trail.
*
* @param int $post_id Post ID.
* @param string $permalink Post permalink.
*/
private function add_crumbs_singular( $post_id = 0, $permalink = '' ) {
$post = ! $post_id ? $GLOBALS['post'] : get_post( $post_id );
$post_type = get_post_type( $post );
$permalink = $permalink ? $permalink : get_permalink( $post );
$this->add_crumbs_post_type_archive( $post_type );
if ( ! isset( $post->ID ) || empty( $post->ID ) ) {
return;
}
$this->maybe_add_blog();
$main_tax = Helper::get_settings( 'titles.pt_' . $post_type . '_primary_taxonomy' );
if ( isset( $post->post_parent ) && 0 === $post->post_parent && $main_tax ) {
$this->maybe_add_primary_term( get_the_terms( $post, $main_tax ) );
}
if ( isset( $post->post_parent ) && 0 !== $post->post_parent ) {
$this->add_post_ancestors( $post );
}
$this->add_crumb( $this->get_breadcrumb_title( 'post', $post->ID, get_the_title( $post ) ), $permalink );
}
/**
* Product category trail.
*/
private function add_crumbs_product_category() {
$term = $GLOBALS['wp_query']->get_queried_object();
$this->prepend_shop_page();
$this->maybe_add_term_ancestors( $term );
$this->add_crumb( $this->get_breadcrumb_title( 'term', $term, $term->name ), get_term_link( $term ) );
}
/**
* Product tag trail.
*/
private function add_crumbs_product_tag() {
$term = $GLOBALS['wp_query']->get_queried_object();
$this->prepend_shop_page();
/* translators: %s: product tag */
$this->add_crumb( sprintf( __( 'Products tagged “%s”', 'rank-math' ), $this->get_breadcrumb_title( 'term', $term, $term->name ) ), get_term_link( $term ) );
}
/**
* Shop trail.
*/
private function add_crumbs_shop() {
$shop_page_id = function_exists( 'wc_get_page_id' ) ? wc_get_page_id( 'shop' ) : false;
if ( intval( get_option( 'page_on_front' ) ) === $shop_page_id ) {
return;
}
$name = $shop_page_id ? $this->get_breadcrumb_title( 'post', $shop_page_id, get_the_title( $shop_page_id ) ) : '';
if ( ! $name ) {
$post_type = get_post_type_object( 'product' );
$name = $post_type->labels->singular_name;
}
$this->add_crumb( $name, get_post_type_archive_link( 'product' ) );
}
/**
* Post type archive trail.
*
* @param string $post_type Post type.
*/
private function add_crumbs_post_type_archive( $post_type = null ) {
if ( ! $post_type ) {
$post_type = $GLOBALS['wp_query']->get( 'post_type' );
}
if ( 'post' === $post_type ) {
return;
}
$type_object = get_post_type_object( $post_type );
if ( ! empty( $type_object->has_archive ) ) {
$this->add_crumb( $type_object->labels->name, get_post_type_archive_link( $post_type ) );
}
}
/**
* Category trail.
*/
private function add_crumbs_category() {
$this->maybe_add_blog();
$term = $GLOBALS['wp_query']->get_queried_object();
if ( empty( $term ) ) {
return;
}
$this->maybe_add_term_ancestors( $term );
$this->add_crumb( $this->get_breadcrumb_title( 'term', $term, $term->name ), get_term_link( $term ) );
}
/**
* Tag trail.
*/
private function add_crumbs_tag() {
$this->maybe_add_blog();
$term = $GLOBALS['wp_query']->get_queried_object();
$this->add_crumb( $this->get_breadcrumb_title( 'term', $term, $term->name ), get_term_link( $term ) );
}
/**
* Taxonomies trail.
*/
private function add_crumbs_tax() {
$term = $GLOBALS['wp_query']->get_queried_object();
if ( ! $this->settings['hide_tax_name'] ) {
$taxonomy = get_taxonomy( $term->taxonomy );
$this->add_crumb( $taxonomy->labels->name );
}
$this->maybe_add_term_ancestors( $term );
$this->add_crumb( $this->get_breadcrumb_title( 'term', $term, $term->name ), get_term_link( $term ) );
}
/**
* Trail for date based archives.
*/
private function add_crumbs_date() {
if ( is_year() || is_month() || is_day() ) {
$this->add_crumb( sprintf( $this->strings['archive_format'], get_the_time( 'Y' ) ), get_year_link( get_the_time( 'Y' ) ) );
}
if ( is_month() || is_day() ) {
$this->add_crumb( sprintf( $this->strings['archive_format'], get_the_time( 'F' ) ), get_month_link( get_the_time( 'Y' ), get_the_time( 'm' ) ) );
}
if ( is_day() ) {
$this->add_crumb( sprintf( $this->strings['archive_format'], get_the_time( 'd' ) ) );
}
}
/**
* Trail for author archives.
*/
private function add_crumbs_author() {
global $author;
$userdata = get_userdata( $author );
if ( ! $userdata || ! is_object( $userdata ) || ! isset( $userdata->ID ) ) {
return;
}
$this->add_crumb( sprintf( $this->strings['archive_format'], $this->get_breadcrumb_title( 'user', $userdata->ID, $userdata->display_name ) ) );
}
/**
* Single post trail.
*
* @copyright Copyright (C) 2008-2019, Yoast BV
* The following code is a derivative work of the code from the Yoast (https://github.com/Yoast/wordpress-seo/), which is licensed under GPL v3.
*
* @param WP_Post $post Post object.
*/
private function add_post_ancestors( $post ) {
$ancestors = [];
if ( isset( $post->ancestors ) ) {
$ancestors = is_array( $post->ancestors ) ? array_values( $post->ancestors ) : [ $post->ancestors ];
} elseif ( isset( $post->post_parent ) ) {
$ancestors = [ $post->post_parent ];
}
if ( ! is_array( $ancestors ) ) {
return;
}
$ancestors = array_reverse( $ancestors );
foreach ( $ancestors as $ancestor ) {
$this->add_crumb( $this->get_breadcrumb_title( 'post', $ancestor, get_the_title( $ancestor ) ), get_permalink( $ancestor ) );
}
}
/**
* Prepend the shop page to the shop trail.
*/
private function prepend_shop_page() {
$shop_page_id = function_exists( 'wc_get_page_id' ) ? wc_get_page_id( 'shop' ) : false;
$shop_page = get_post( $shop_page_id );
// If permalinks contain the shop page in the URI prepend the breadcrumb with shop.
if ( $shop_page_id && $shop_page && $this->is_using_shop_base( $shop_page ) && intval( get_option( 'page_on_front' ) ) !== $shop_page_id ) {
$this->add_crumb( $this->get_breadcrumb_title( 'post', $shop_page_id, get_the_title( $shop_page ) ), get_permalink( $shop_page ) );
}
}
/**
* Checks if the permalinks product base is using the shop base.
*
* @param \WP_Post $shop_page The shop page.
*
* @return bool
*/
private function is_using_shop_base( $shop_page ) {
$permalinks = wc_get_permalink_structure();
$is_using_shop_base = isset( $permalinks['product_base'] ) && strstr( $permalinks['product_base'], '/' . $shop_page->post_name );
/**
* Allows to filter the "is using shop base" condition.
*
* @param bool True if using shop base or false otherwise.
*/
return $this->do_filter( 'frontend/breadcrumb/is_using_shop_base', $is_using_shop_base );
}
/**
* Get the primary term.
*
* @param WP_Term[]|false|WP_Error $terms Terms attached to the current post.
*/
private function maybe_add_primary_term( $terms ) {
// Early Bail!
if ( is_wp_error( $terms ) || empty( $terms ) ) {
return;
}
/**
* Allow changing the primary term output of the breadcrumbs class.
*
* @param WP_Term $term Primary term.
* @param array $terms Terms attached to the current post.
*/
$term = $this->do_filter( 'frontend/breadcrumb/main_term', $terms[0], $terms );
$this->maybe_add_term_ancestors( $term );
$this->add_crumb( $this->get_breadcrumb_title( 'term', $term, $term->name ), get_term_link( $term ) );
}
/**
* Add ancestor taxonomy crumbs to the hierachical taxonomy trails.
*
* @param object $term Term data object.
*/
private function maybe_add_term_ancestors( $term ) {
// Early Bail!
if ( ! $this->can_add_term_ancestors( $term ) ) {
return;
}
$ancestors = get_ancestors( $term->term_id, $term->taxonomy );
$ancestors = array_reverse( $ancestors );
foreach ( $ancestors as $ancestor ) {
$ancestor = get_term( $ancestor, $term->taxonomy );
if ( ! is_wp_error( $ancestor ) && $ancestor ) {
$this->add_crumb( $this->get_breadcrumb_title( 'term', $ancestor, $ancestor->name ), get_term_link( $ancestor ) );
}
}
}
/**
* Can add ancestor taxonomy crumbs to the hierachical taxonomy trails.
*
* @param object $term Term data object.
*
* @return bool
*/
private function can_add_term_ancestors( $term ) {
if ( empty( $term ) || 0 === $term->parent || false === $this->settings['show_ancestors'] || false === is_taxonomy_hierarchical( $term->taxonomy ) ) {
return false;
}
return true;
}
/**
* Add a page crumb to paginated trails.
*
* @since 1.0.8
*/
private function maybe_add_page_crumb() {
if ( empty( $this->settings['show_pagination'] ) || ! is_paged() ) {
return;
}
$current_page = get_query_var( 'paged', 1 );
if ( $current_page <= 1 ) {
return;
}
/* translators: %s expands to the current page number */
$this->add_crumb( sprintf( esc_html__( 'Page %s', 'rank-math' ), $current_page ), '', true );
}
/**
* Add home label.
*/
private function maybe_add_home_crumb() {
if ( ! empty( $this->settings['home'] ) ) {
$this->add_crumb( $this->strings['home'], $this->strings['home_link'] );
}
}
/**
* Get the Blog Page.
*
* @since 1.0.33
*/
private function maybe_add_blog() {
// Early Bail!
$blog_id = get_option( 'page_for_posts' );
if ( ! $blog_id || ! $this->can_add_blog() ) {
return;
}
$this->add_crumb( $this->get_breadcrumb_title( 'post', $blog_id, get_the_title( $blog_id ) ), get_permalink( $blog_id ) );
}
/**
* Can add Blog page crumb.
*
* @since 1.0.33
*
* @return bool
*/
private function can_add_blog() {
if ( empty( $this->settings['show_blog'] ) || 'page' !== get_option( 'show_on_front' ) ) {
return false;
}
if ( ! is_singular( 'post' ) && ! is_category() && ! is_tag() ) {
return false;
}
return true;
}
/**
* Get the breadcrumb title.
*
* @param string $object_type Object type.
* @param int $object_id Object ID to get the title for.
* @param string $default_value Default value to use for title.
* @return string
*/
private function get_breadcrumb_title( $object_type, $object_id, $default_value ) {
$title = '';
if ( 'post' === $object_type ) {
$title = Helper::get_post_meta( 'breadcrumb_title', $object_id );
} elseif ( 'term' === $object_type ) {
$title = Helper::get_term_meta( 'breadcrumb_title', $object_id );
} elseif ( 'user' === $object_type ) {
$title = Helper::get_user_meta( 'breadcrumb_title', $object_id );
}
return $title ? $title : $default_value;
}
}