wordpress/php-fpm/wordpress_files/plugins/polylang/include/links-default.php

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2020-05-22 03:40:23 +02:00
<?php
/**
* Links model for default permalinks
* for example mysite.com/?somevar=something&lang=en
* implements the "links_model interface"
*
* @since 1.2
*/
class PLL_Links_Default extends PLL_Links_Model {
public $using_permalinks = false;
/**
* Adds language information to an url
* links_model interface
*
* @since 1.2
*
* @param string $url url to modify
* @param object $lang language
* @return string modified url
*/
public function add_language_to_link( $url, $lang ) {
return empty( $lang ) || ( $this->options['hide_default'] && $this->options['default_lang'] == $lang->slug ) ? $url : add_query_arg( 'lang', $lang->slug, $url );
}
/**
* Removes the language information from an url
* links_model interface
*
* @since 1.2
*
* @param string $url url to modify
* @return string modified url
*/
public function remove_language_from_link( $url ) {
return remove_query_arg( 'lang', $url );
}
/**
* Returns the link to the first page
* links_model interface
*
* @since 1.2
*
* @param string $url url to modify
* @return string modified url
*/
public function remove_paged_from_link( $url ) {
return remove_query_arg( 'paged', $url );
}
/**
* Returns the link to the paged page when using pretty permalinks
*
* @since 1.5
*
* @param string $url url to modify
* @param int $page
* @return string modified url
*/
public function add_paged_to_link( $url, $page ) {
return add_query_arg( array( 'paged' => $page ), $url );
}
/**
* Gets the language slug from the url if present
* links_model interface
*
* @since 1.2
* @since 2.0 add $url argument
*
* @param string $url optional, defaults to current url
* @return string language slug
*/
public function get_language_from_url( $url = '' ) {
if ( empty( $url ) ) {
$url = pll_get_requested_url();
}
$pattern = '#lang=(' . implode( '|', $this->model->get_languages_list( array( 'fields' => 'slug' ) ) ) . ')#';
return preg_match( $pattern, trailingslashit( $url ), $matches ) ? $matches[1] : ''; // $matches[1] is the slug of the requested language
}
/**
* Returns the static front page url
*
* @since 1.8
*
* @param object $lang
* @return string
*/
public function front_page_url( $lang ) {
if ( $this->options['hide_default'] && $lang->slug == $this->options['default_lang'] ) {
return trailingslashit( $this->home );
}
$url = home_url( '/?page_id=' . $lang->page_on_front );
return $this->options['force_lang'] ? $this->add_language_to_link( $url, $lang ) : $url;
}
}