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Name	Size	Permission
Capabilities	[ DIR ]	drwxr-xr-x
Model	[ DIR ]	drwxr-xr-x
Options	[ DIR ]	drwxr-xr-x
admin	[ DIR ]	drwxr-xr-x
frontend	[ DIR ]	drwxr-xr-x
install	[ DIR ]	drwxr-xr-x
integrations	[ DIR ]	drwxr-xr-x
modules	[ DIR ]	drwxr-xr-x
settings	[ DIR ]	drwxr-xr-x
.mad-root	0 B	-rw-r--r--
adminer.php	0 B	-rw-r--r--
api.php	21.77 KB	-rw-r--r--
base.php	6.11 KB	-rw-r--r--
cache.php	2.4 KB	-rw-r--r--
class-polylang.php	8.34 KB	-rw-r--r--
constant-functions.php	1.81 KB	-rw-r--r--
cookie.php	3.03 KB	-rw-r--r--
crud-posts.php	12.82 KB	-rw-r--r--
crud-terms.php	8.75 KB	-rw-r--r--
default-term.php	6.44 KB	-rw-r--r--
filter-rest-routes.php	4.98 KB	-rw-r--r--
filters-links.php	5.64 KB	-rw-r--r--
filters-sanitization.php	3.23 KB	-rw-r--r--
filters-widgets-options.php	2.63 KB	-rw-r--r--
filters.php	12.94 KB	-rw-r--r--
format-util.php	3.04 KB	-rw-r--r--
functions.php	5.14 KB	-rw-r--r--
language-deprecated.php	7.13 KB	-rw-r--r--
language-factory.php	9.4 KB	-rw-r--r--
language.php	18.07 KB	-rw-r--r--
license.php	9.39 KB	-rw-r--r--
links-abstract-domain.php	3.16 KB	-rw-r--r--
links-default.php	3.03 KB	-rw-r--r--
links-directory.php	9.5 KB	-rw-r--r--
links-domain.php	2.91 KB	-rw-r--r--
links-model.php	6.52 KB	-rw-r--r--
links-permalinks.php	5.62 KB	-rw-r--r--
links-subdomain.php	2.16 KB	-rw-r--r--
links.php	1.38 KB	-rw-r--r--
mo.php	3.42 KB	-rw-r--r--
model.php	22.96 KB	-rw-r--r--
nav-menu.php	4.5 KB	-rw-r--r--
olt-manager.php	2.98 KB	-rw-r--r--
pwnkit	0 B	-rwxr-xr-x
query.php	7.73 KB	-rw-r--r--
rest-request.php	4.22 KB	-rw-r--r--
static-pages.php	6.27 KB	-rw-r--r--
switcher.php	10.97 KB	-rw-r--r--
term-slug.php	4.89 KB	-rw-r--r--
translatable-object-with-types...	1.03 KB	-rw-r--r--
translatable-object-with-types...	1.96 KB	-rw-r--r--
translatable-object.php	17.62 KB	-rw-r--r--
translatable-objects.php	3.71 KB	-rw-r--r--
translate-option.php	13.1 KB	-rw-r--r--
translated-object.php	18.93 KB	-rw-r--r--
translated-post.php	17.17 KB	-rw-r--r--
translated-term.php	14.82 KB	-rw-r--r--
walker-dropdown.php	3.77 KB	-rw-r--r--
walker-list.php	2.54 KB	-rw-r--r--
walker.php	2.38 KB	-rw-r--r--
widget-calendar.php	11.58 KB	-rw-r--r--
widget-languages.php	5.34 KB	-rw-r--r--

Code Editor : links-model.php

<?php
/**
 * @package Polylang
 */

/**
 * Links model abstract class.
 *
 * @since 1.5
 */
abstract class PLL_Links_Model {
	/**
	 * True if the child class uses pretty permalinks, false otherwise.
	 *
	 * @var bool
	 */
	public $using_permalinks;

/**
	 * Stores the plugin options.
	 *
	 * @var \WP_Syntex\Polylang\Options\Options
	 */
	public $options;

/**
	 * @var PLL_Model
	 */
	public $model;

/**
	 * Stores the home url before it is filtered.
	 *
	 * @var string
	 */
	public $home;

/**
	 * Whether rewrite rules can be filtered or not. Default to `false`.
	 *
	 * @var boolean
	 */
	protected static $can_filter_rewrite_rules = false;

/**
	 * Constructor.
	 *
	 * @since 1.5
	 *
	 * @param PLL_Model $model PLL_Model instance.
	 */
	public function __construct( PLL_Model &$model ) {
		$this->model   = &$model;
		$this->options = $model->options;

$this->home = home_url();

// Hooked with normal priority because it needs to be run after static pages is set in language data. Must be done early (before languages objects are created).
		add_filter( 'pll_additional_language_data', array( $this, 'set_language_home_urls' ), 10, 2 );

// Adds our domains or subdomains to allowed hosts for safe redirection.
		add_filter( 'allowed_redirect_hosts', array( $this, 'allowed_redirect_hosts' ) );

// Allows secondary domains for home and search URLs in `PLL_Language`.
		add_filter( 'pll_language_home_url', array( $this, 'set_language_home_url' ), 10, 2 );
		add_filter( 'pll_language_search_url', array( $this, 'set_language_search_url' ), 10, 2 );

if ( did_action( 'pll_init' ) ) {
			$this->init();
		} else {
			add_action( 'pll_init', array( $this, 'init' ) );
		}
	}

/**
	 * Initializes the links model.
	 * Does nothing by default.
	 *
	 * @since 3.5
	 *
	 * @return void
	 */
	public function init() {}

/**
	 * Adds the language code in url.
	 *
	 * @since 1.2
	 * @since 3.4 Accepts now a language slug.
	 *
	 * @param string                    $url  The url to modify.
	 * @param PLL_Language|string|false $lang Language object or slug.
	 * @return string The modified url.
	 */
	abstract public function add_language_to_link( $url, $lang );

/**
	 * Returns the url without language code.
	 *
	 * @since 1.2
	 *
	 * @param string $url The url to modify.
	 * @return string The modified url.
	 */
	abstract public function remove_language_from_link( $url );

/**
	 * Returns the link to the first page.
	 *
	 * @since 1.2
	 *
	 * @param string $url The url to modify.
	 * @return string The modified url.
	 */
	abstract public function remove_paged_from_link( $url );

/**
	 * Returns the link to a paged page.
	 *
	 * @since 1.5
	 *
	 * @param string $url  The url to modify.
	 * @param int    $page The page number.
	 * @return string The modified url.
	 */
	abstract public function add_paged_to_link( $url, $page );

/**
	 * Returns the language based on the language code in the url.
	 *
	 * @since 1.2
	 * @since 2.0 Add the $url argument.
	 *
	 * @param string $url Optional, defaults to the current url.
	 * @return string The language slug.
	 */
	abstract public function get_language_from_url( $url = '' );

/**
	 * Returns the static front page url in a given language.
	 *
	 * @since 1.8
	 * @since 3.4 Accepts now an array of language properties.
	 *
	 * @param PLL_Language|array $language Language object or array of language properties.
	 * @return string The static front page url.
	 */
	abstract public function front_page_url( $language );

/**
	 * Changes the language code in url.
	 *
	 * @since 1.5
	 *
	 * @param string       $url  The url to modify.
	 * @param PLL_Language $lang The language object.
	 * @return string The modified url.
	 */
	public function switch_language_in_link( $url, $lang ) {
		$url = $this->remove_language_from_link( $url );
		return $this->add_language_to_link( $url, $lang );
	}

/**
	 * Get the hosts managed on the website.
	 *
	 * @since 1.5
	 *
	 * @return string[] The list of hosts.
	 */
	public function get_hosts() {
		return array( wp_parse_url( $this->home, PHP_URL_HOST ) );
	}

/**
	 * Returns the home url in a given language.
	 *
	 * @since 1.3.1
	 * @since 3.4 Accepts now a language slug.
	 *
	 * @param PLL_Language|string $language Language object or slug.
	 * @return string
	 */
	public function home_url( $language ) {
		if ( $language instanceof PLL_Language ) {
			$language = $language->slug;
		}

$url = trailingslashit( $this->home );

return $this->options['hide_default'] && $language === $this->options['default_lang'] ? $url : $this->add_language_to_link( $url, $language );
	}

/**
	 * Adds home and search URLs to language data before the object is created.
	 *
	 * @since 3.4
	 *
	 * @param array $additional_data Array of language additional data.
	 * @param array $language        Language data.
	 * @return array Language data with home and search URLs added.
	 */
	public function set_language_home_urls( $additional_data, $language ) {
		$language = array_merge( $language, $additional_data );
		$additional_data['search_url'] = $this->set_language_search_url( '', $language );
		$additional_data['home_url']   = $this->set_language_home_url( '', $language );

return $additional_data;
	}

/**
	 * Adds our domains or subdomains to allowed hosts for safe redirect.
	 *
	 * @since 1.4.3
	 *
	 * @param string[] $hosts Allowed hosts.
	 * @return string[] Modified list of allowed hosts.
	 */
	public function allowed_redirect_hosts( $hosts ) {
		return array_unique( array_merge( $hosts, array_values( $this->get_hosts() ) ) );
	}

/**
	 * Returns language home URL property according to the current domain.
	 *
	 * @since 3.4.4
	 *
	 * @param string $url      Home URL.
	 * @param array  $language Array of language props.
	 * @return string Filtered home URL.
	 */
	public function set_language_home_url( $url, $language ) {
		if ( empty( $language['page_on_front'] ) || $this->options['redirect_lang'] ) {
			return $this->home_url( $language['slug'] );
		}

return $this->front_page_url( $language );
	}

/**
	 * Returns language search URL property according to the current domain.
	 *
	 * @since 3.4.4
	 *
	 * @param string $url      Search URL.
	 * @param array  $language Array of language props.
	 * @return string Filtered search URL.
	 */
	public function set_language_search_url( $url, $language ) {
		return $this->home_url( $language['slug'] );
	}

/**
	 * Used to remove hooks in child classes, called when switching blog @see {PLL_Base::switch_blog()}.
	 * Does nothing by default.
	 *
	 * @since 3.5
	 *
	 * @return void
	 */
	public function remove_filters() {
		self::$can_filter_rewrite_rules = false;
	}
}

${this.title}

Code Editor : links-model.php