← All changes | lib/integ/lang/polylang.php +261 -0 22.1.3 → 22.7.0 View file →

		@@ -1,0 +1,261 @@
	1	+<?php
	2	+/*
	3	+ * License: GPLv3
	4	+ * License URI: https://www.gnu.org/licenses/gpl.txt
	5	+ * Copyright 2012-2026 Jean-Sebastien Morisset (https://wpsso.com/)
	6	+ */
	7	+
	8	+if ( ! defined( 'ABSPATH' ) ) {
	9	+
	10	+ die( 'These aren\'t the droids you\'re looking for.' );
	11	+}
	12	+
	13	+if ( ! class_exists( 'WpssoIntegLangPolylang' ) ) {
	14	+
	15	+ class WpssoIntegLangPolylang {
	16	+
	17	+ private $p; // Wpsso class object.
	18	+
	19	+ public function __construct( &$plugin ) {
	20	+
	21	+ $this->p =& $plugin;
	22	+
	23	+ if ( $this->p->debug->enabled ) {
	24	+
	25	+ $this->p->debug->mark();
	26	+ }
	27	+
	28	+ $this->p->util->add_plugin_filters( $this, array(
	29	+ 'home_url' => 2,
	30	+ 'sitemaps_alternates' => 2,
	31	+ ) );
	32	+
	33	+ $this->p->util->add_plugin_filters( $this, array(
	34	+ 'available_feed_locale_names' => 1,
	35	+ 'get_locale' => 2,
	36	+ ), $prio = 200, $ext = 'sucom' ); // Note the 'sucom' filter prefix.
	37	+ }
	38	+
	39	+ public function filter_home_url( $url, $mod ) {
	40	+
	41	+ if ( function_exists( 'pll_home_url' ) ) { // Just in case.
	42	+
	43	+ return pll_home_url();
	44	+ }
	45	+
	46	+ return $url;
	47	+ }
	48	+
	49	+ public function filter_sitemaps_alternates( $alternates, $mod ) {
	50	+
	51	+ if ( $this->p->debug->enabled ) {
	52	+
	53	+ $this->p->debug->mark();
	54	+ }
	55	+
	56	+ if ( $mod[ 'is_post' ] ) {
	57	+
	58	+ $translations = pll_get_post_translations( $mod[ 'id' ] );
	59	+
	60	+ if ( $this->p->debug->enabled ) {
	61	+
	62	+ $this->p->debug->log_arr( 'translations', $translations );
	63	+ }
	64	+
	65	+ foreach ( $translations as $lang_code => $post_id ) {
	66	+
	67	+ $transl_mod = $this->p->post->get_mod( $post_id );
	68	+
	69	+ $alternates[] = array(
	70	+ 'href' => $this->p->util->get_canonical_url( $transl_mod ),
	71	+ 'hreflang' => $this->p->schema->get_schema_lang( $transl_mod ),
	72	+ );
	73	+ }
	74	+
	75	+ } elseif ( $mod[ 'is_term' ] ) {
	76	+
	77	+ $translations = pll_get_term_translations( $mod[ 'id' ] );
	78	+
	79	+ if ( $this->p->debug->enabled ) {
	80	+
	81	+ $this->p->debug->log_arr( 'translations', $translations );
	82	+ }
	83	+
	84	+ foreach ( $translations as $lang_code => $term_id ) {
	85	+
	86	+ $transl_mod = $this->p->term->get_mod( $term_id );
	87	+
	88	+ $alternates[] = array(
	89	+ 'href' => $this->p->util->get_canonical_url( $transl_mod ),
	90	+ 'hreflang' => $this->p->schema->get_schema_lang( $transl_mod ),
	91	+ );
	92	+ }
	93	+ }
	94	+
	95	+ return $alternates;
	96	+ }
	97	+
	98	+ public function filter_available_feed_locale_names( $locale_names ) {
	99	+
	100	+ $languages = pll_languages_list( array( 'fields' => array() ) );
	101	+
	102	+ $locale_names = array();
	103	+
	104	+ foreach ( $languages as $lang_obj ) {
	105	+
	106	+ $locale_names[ $lang_obj->locale ] = $lang_obj->name;
	107	+ }
	108	+
	109	+ return $locale_names;
	110	+ }
	111	+
	112	+ /*
	113	+ * Argument can also be a numeric post ID, to return the language of that post.
	114	+ */
	115	+ public function filter_get_locale( $wp_locale, $mixed = 'current' ) {
	116	+
	117	+ if ( $this->p->debug->enabled ) {
	118	+
	119	+ $this->p->debug->log( 'wp locale = ' . $wp_locale );
	120	+ }
	121	+
	122	+ $pll_locale = false;
	123	+
	124	+ switch ( true ) {
	125	+
	126	+ case ( is_array( $mixed ) ):
	127	+
	128	+ if ( $mixed[ 'id' ] > 0 ) { // Just in case.
	129	+
	130	+ if ( $mixed[ 'is_post' ] ) {
	131	+
	132	+ $pll_locale = $this->get_post_language( $mixed[ 'id' ] );
	133	+
	134	+ } elseif ( $mixed[ 'is_term' ] ) {
	135	+
	136	+ $pll_locale = $this->get_term_language( $mixed[ 'id' ] );
	137	+ }
	138	+
	139	+ if ( $this->p->debug->enabled ) {
	140	+
	141	+ $this->p->debug->log( 'pll_locale for ' . $mixed[ 'name' ] . ' id ' . $mixed[ 'id' ] . ' = ' . $pll_locale );
	142	+ }
	143	+ }
	144	+
	145	+ break;
	146	+
	147	+ case ( is_numeric( $mixed ) ):
	148	+
	149	+ if ( $mixed > 0 ) { // Just in case.
	150	+
	151	+ $pll_locale = $this->get_post_language( $mixed );
	152	+
	153	+ if ( $this->p->debug->enabled ) {
	154	+
	155	+ $this->p->debug->log( 'pll_locale for post ID ' . $mixed . ' = ' . $pll_locale );
	156	+ }
	157	+ }
	158	+
	159	+ break;
	160	+
	161	+ case ( 'default' === $mixed ):
	162	+
	163	+ if ( function_exists( 'pll_default_language' ) ) {
	164	+
	165	+ $pll_locale = pll_default_language( 'locale' );
	166	+
	167	+ if ( $this->p->debug->enabled ) {
	168	+
	169	+ $this->p->debug->log( 'pll_locale for default = ' . $pll_locale );
	170	+ }
	171	+
	172	+ } elseif ( $this->p->debug->enabled ) {
	173	+
	174	+ $this->p->debug->log( 'pll_default_language function not found' );
	175	+ }
	176	+
	177	+ break;
	178	+
	179	+ case ( 'current' === $mixed ):
	180	+
	181	+ if ( function_exists( 'pll_current_language' ) ) {
	182	+
	183	+ $pll_locale = pll_current_language( 'locale' );
	184	+
	185	+ if ( $this->p->debug->enabled ) {
	186	+
	187	+ $this->p->debug->log( 'pll_locale for current = ' . $pll_locale );
	188	+ }
	189	+
	190	+ } elseif ( $this->p->debug->enabled ) {
	191	+
	192	+ $this->p->debug->log( 'pll_current_language function not found' );
	193	+ }
	194	+
	195	+ break;
	196	+ }
	197	+
	198	+ return $pll_locale ? $pll_locale : $wp_locale;
	199	+ }
	200	+
	201	+ private function get_post_language( $post_id ) {
	202	+
	203	+ $pll_locale = '';
	204	+
	205	+ if ( function_exists( 'pll_get_post_language' ) ) { // Since PLL v1.5.4.
	206	+
	207	+ $pll_locale = pll_get_post_language( $post_id, 'locale' );
	208	+
	209	+ } else {
	210	+
	211	+ global $polylang;
	212	+
	213	+ if ( isset( $polylang->model->post ) ) {
	214	+
	215	+ $pll_lang = $polylang->model->post->get_language( $post_id );
	216	+
	217	+ } elseif ( isset( $polylang->model ) ) {
	218	+
	219	+ $pll_lang = $polylang->model->get_post_language( $post_id );
	220	+ }
	221	+
	222	+ if ( ! empty( $pll_lang ) ) {
	223	+
	224	+ $pll_locale = $pll_lang->locale;
	225	+ }
	226	+ }
	227	+
	228	+ return $pll_locale;
	229	+ }
	230	+
	231	+ private function get_term_language( $term_id ) {
	232	+
	233	+ $pll_locale = '';
	234	+
	235	+ if ( function_exists( 'pll_get_term_language' ) ) { // Since PLL v1.5.4.
	236	+
	237	+ $pll_locale = pll_get_term_language( $term_id, 'locale' );
	238	+
	239	+ } else {
	240	+
	241	+ global $polylang;
	242	+
	243	+ if ( isset( $polylang->model->term ) ) {
	244	+
	245	+ $pll_lang = $polylang->model->term->get_language( $term_id );
	246	+
	247	+ } elseif ( isset( $polylang->model ) ) {
	248	+
	249	+ $pll_lang = $polylang->model->get_term_language( $term_id );
	250	+ }
	251	+
	252	+ if ( ! empty( $pll_lang ) ) {
	253	+
	254	+ $pll_locale = $pll_lang->locale;
	255	+ }
	256	+ }
	257	+
	258	+ return $pll_locale;
	259	+ }
	260	+ }
	261	+}