polylang / include / links-domain.php

links-domain.php in Polylang 3.7.2, at include/links-domain.php

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1	<?php
2	/**
3	* @package Polylang
4	*/
5
6	/**
7	* Links model for use when using one domain per language
8	* for example mysite.com/something and mysite.fr/quelquechose.
9	*
10	* @since 1.2
11	*/
12	class PLL_Links_Domain extends PLL_Links_Abstract_Domain {
13
14	/**
15	* An array with language code as keys and the host as values.
16	*
17	* @var string[]
18	*/
19	protected $hosts;
20
21	/**
22	* Constructor.
23	*
24	* @since 1.8
25	*
26	* @param object $model PLL_Model instance.
27	*/
28	public function __construct( &$model ) {
29	parent::__construct( $model );
30
31	$this->hosts = $this->get_hosts();
32
33	// Filters the site url (mainly to get the correct login form).
34	add_filter( 'site_url', array( $this, 'site_url' ) );
35	}
36
37
38	/**
39	* Switches the primary domain to a secondary domain in the url.
40	*
41	* @since 1.2
42	* @since 3.4 Accepts now a language slug.
43	*
44	* @param string $url The url to modify.
45	* @param PLL_Language\|string\|false $language Language object or slug.
46	* @return string The modified url.
47	*/
48	public function add_language_to_link( $url, $language ) {
49	if ( $language instanceof PLL_Language ) {
50	$language = $language->slug;
51	}
52
53	if ( ! empty( $language ) && ! empty( $this->hosts[ $language ] ) ) {
54	$url = preg_replace( '#://(' . wp_parse_url( $this->home, PHP_URL_HOST ) . ')($\|/.*)#', '://' . $this->hosts[ $language ] . '$2', $url );
55	}
56	return $url;
57	}
58
59	/**
60	* Returns the url with the primary domain.
61	*
62	* @since 1.2
63	*
64	* @param string $url The url to modify.
65	* @return string The modified url.
66	*/
67	public function remove_language_from_link( $url ) {
68	if ( ! empty( $this->hosts ) ) {
69	$url = preg_replace( '#://(' . implode( '\|', $this->hosts ) . ')($\|/.*)#', '://' . wp_parse_url( $this->home, PHP_URL_HOST ) . '$2', $url );
70	}
71	return $url;
72	}
73
74	/**
75	* Returns the home url in a given language.
76	*
77	* @since 1.3.1
78	* @since 3.4 Accepts now a language slug.
79	*
80	* @param PLL_Language\|string $language Language object or slug.
81	* @return string
82	*/
83	public function home_url( $language ) {
84	if ( $language instanceof PLL_Language ) {
85	$language = $language->slug;
86	}
87
88	return trailingslashit( empty( $this->options['domains'][ $language ] ) ? $this->home : $this->options['domains'][ $language ] );
89	}
90
91	/**
92	* Get the hosts managed on the website.
93	*
94	* @since 1.5
95	*
96	* @return string[] List of hosts.
97	*/
98	public function get_hosts() {
99	$hosts = array();
100	foreach ( (array) $this->options['domains'] as $lang => $domain ) {
101	$host = wp_parse_url( $domain, PHP_URL_HOST );
102
103	if ( ! is_string( $host ) ) {
104	continue;
105	}
106
107	// The function idn_to_ascii() is much faster than the WordPress method.
108	if ( function_exists( 'idn_to_ascii' ) && defined( 'INTL_IDNA_VARIANT_UTS46' ) ) {
109	$hosts[ $lang ] = (string) idn_to_ascii( $host, 0, INTL_IDNA_VARIANT_UTS46 );
110	} else {
111	$hosts[ $lang ] = \WpOrg\Requests\IdnaEncoder::encode( $host ); // Since WP 6.2.
112	}
113	}
114
115	return $hosts;
116	}
117	}
118