/home/arranoyd/gazehome/wp-content/plugins/polylang/include/filters-links.php
<?php
/**
* @package Polylang
*/
/**
* Manages links filters needed on both frontend and admin
*
* @since 1.8
*/
class PLL_Filters_Links {
public $links, $links_model, $model, $options, $curlang;
/**
* Constructor
*
* @since 1.8
*
* @param object $polylang
*/
public function __construct( &$polylang ) {
$this->links = &$polylang->links;
$this->links_model = &$polylang->links_model;
$this->model = &$polylang->model;
$this->options = &$polylang->options;
$this->curlang = &$polylang->curlang;
// Low priority on links filters to come after any other modifications.
if ( $this->options['force_lang'] ) {
add_filter( 'post_link', array( $this, 'post_type_link' ), 20, 2 );
add_filter( '_get_page_link', array( $this, '_get_page_link' ), 20, 2 );
}
add_filter( 'post_type_link', array( $this, 'post_type_link' ), 20, 2 );
add_filter( 'term_link', array( $this, 'term_link' ), 20, 3 );
if ( $this->options['force_lang'] > 0 ) {
add_filter( 'attachment_link', array( $this, 'attachment_link' ), 20, 2 );
}
// Keeps the preview post link on default domain when using multiple domains and SSO is not available.
if ( 3 === $this->options['force_lang'] && ! class_exists( 'PLL_Xdata_Domain' ) ) {
add_filter( 'preview_post_link', array( $this, 'preview_post_link' ), 20 );
}
// Rewrites post types archives links to filter them by language.
add_filter( 'post_type_archive_link', array( $this, 'post_type_archive_link' ), 20, 2 );
}
/**
* Modifies page links
*
* @since 1.7
*
* @param string $link post link
* @param int $post_id post ID
* @return string modified post link
*/
public function _get_page_link( $link, $post_id ) {
// /!\ WP does not use pretty permalinks for preview
return false !== strpos( $link, 'preview=true' ) && false !== strpos( $link, 'page_id=' ) ? $link : $this->links_model->switch_language_in_link( $link, $this->model->post->get_language( $post_id ) );
}
/**
* Modifies attachment links
*
* @since 1.6.2
*
* @param string $link attachment link
* @param int $post_id attachment link
* @return string modified attachment link
*/
public function attachment_link( $link, $post_id ) {
return wp_get_post_parent_id( $post_id ) ? $link : $this->links_model->switch_language_in_link( $link, $this->model->post->get_language( $post_id ) );
}
/**
* Modifies custom posts links
*
* @since 1.6
*
* @param string $link post link
* @param object $post post object
* @return string modified post link
*/
public function post_type_link( $link, $post ) {
// /!\ WP does not use pretty permalinks for preview
if ( ( false === strpos( $link, 'preview=true' ) || false === strpos( $link, 'p=' ) ) && $this->model->is_translated_post_type( $post->post_type ) ) {
$lang = $this->model->post->get_language( $post->ID );
$link = $this->options['force_lang'] ? $this->links_model->switch_language_in_link( $link, $lang ) : $link;
/**
* Filter a post or custom post type link
*
* @since 1.6
*
* @param string $link the post link
* @param object $lang the current language
* @param object $post the post object
*/
$link = apply_filters( 'pll_post_type_link', $link, $lang, $post );
}
return $link;
}
/**
* Modifies term link
*
* @since 0.7
*
* @param string $link term link
* @param object $term term object
* @param string $tax taxonomy name
* @return string modified term link
*/
public function term_link( $link, $term, $tax ) {
if ( $this->model->is_translated_taxonomy( $tax ) ) {
$lang = $this->model->term->get_language( $term->term_id );
$link = $this->options['force_lang'] ? $this->links_model->switch_language_in_link( $link, $lang ) : $link;
/**
* Filter a term link
*
* @since 1.6
*
* @param string $link the term link
* @param object $lang the current language
* @param object $term the term object
*/
return apply_filters( 'pll_term_link', $link, $lang, $term );
}
// in case someone calls get_term_link for the 'language' taxonomy
if ( 'language' === $tax ) {
return $this->links_model->home_url( $term );
}
return $link;
}
/**
* Keeps the preview post link on default domain when using multiple domains
*
* @since 1.6.1
*
* @param string $url
* @return string modified url
*/
public function preview_post_link( $url ) {
return $this->links_model->remove_language_from_link( $url );
}
/**
* Modifies the post type archive links to add the language parameter
* only if the post type is translated
*
* The filter was originally only on frontend but is needed on admin too for
* compatibility with the archive link of the ACF link field since ACF 5.4.0
*
* @since 1.7.6
*
* @param string $link
* @param string $post_type
* @return string modified link
*/
public function post_type_archive_link( $link, $post_type ) {
return $this->model->is_translated_post_type( $post_type ) && 'post' !== $post_type ? $this->links_model->switch_language_in_link( $link, $this->curlang ) : $link;
}
}