← All changes | uninstall.php +93 -53 2.8.3 → trunk View file →

		@@ -2,15 +2,15 @@
2	2	/**
3	3	* @package Polylang
4	4	*/
5	5
6		-if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) { // If uninstall not called from WordPress exit
	6	+if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) { // If uninstall not called from WordPress exit.
7	7	exit;
8	8	}
9	9
10	10	/**
11		- * Manages Polylang uninstallation
12		- * The goal is to remove ALL Polylang related data in db
	11	+ * Manages Polylang uninstallation.
	12	+ * The goal is to remove **all** Polylang related data in db.
13	13	*
14	14	* @since 0.5
15	15	*/
16	16	class PLL_Uninstall {
		@@ -15,9 +15,9 @@
15	15	*/
16	16	class PLL_Uninstall {
17	17
18	18	/**
19		- * Constructor: manages uninstall for multisite
	19	+ * Constructor: manages uninstall for multisite.
20	20	*
21	21	* @since 0.5
22	22	*/
23	23	public function __construct() {
		@@ -22,14 +22,14 @@
22	22	*/
23	23	public function __construct() {
24	24	global $wpdb;
25	25
26		- // Don't do anything except if the constant PLL_REMOVE_ALL_DATA is explicitely defined and true.
	26	+ // Don't do anything except if the constant PLL_REMOVE_ALL_DATA is explicitly defined and true.
27	27	if ( ! defined( 'PLL_REMOVE_ALL_DATA' ) || ! PLL_REMOVE_ALL_DATA ) {
28	28	return;
29	29	}
30	30
31		- // Check if it is a multisite uninstall - if so, run the uninstall function for each blog id
	31	+ // Check if it is a multisite uninstall - if so, run the uninstall function for each blog id.
32	32	if ( is_multisite() ) {
33	33	foreach ( $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" ) as $blog_id ) {
34	34	switch_to_blog( $blog_id );
35	35	$this->uninstall();
		@@ -34,17 +34,15 @@
34	34	switch_to_blog( $blog_id );
35	35	$this->uninstall();
36	36	}
37	37	restore_current_blog();
38		- }
39		- else {
	38	+ } else {
40	39	$this->uninstall();
41	40	}
42	41	}
43	42
44	43	/**
45		- * Removes ALL plugin data
46		- * only when the relevant option is active
	44	+ * Removes **all** plugin data.
47	45	*
48	46	* @since 0.5
49	47	*/
50	48	public function uninstall() {
		@@ -51,38 +49,44 @@
51	49	global $wpdb;
52	50
53	51	do_action( 'pll_uninstall' );
54	52
55		- // Suppress data of the old model < 1.2
56		- // FIXME: to remove when support for v1.1.6 will be dropped
57		- $wpdb->termmeta = $wpdb->prefix . 'termmeta'; // registers the termmeta table in wpdb
	53	+ // We need to register the taxonomies.
	54	+ $pll_taxonomies = array(
	55	+ 'language',
	56	+ 'term_language',
	57	+ 'post_translations',
	58	+ 'term_translations',
	59	+ );
58	60
59		- // Do nothing if the termmeta table does not exists
60		- if ( count( $wpdb->get_results( "SHOW TABLES LIKE '$wpdb->termmeta'" ) ) ) {
61		- $wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key = '_translations'" );
62		- $wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_language'" );
63		- $wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_rtl'" );
64		- $wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_translations'" );
65		- }
66		-
67		- // Need to register the taxonomies
68		- $pll_taxonomies = array( 'language', 'term_language', 'post_translations', 'term_translations' );
69	61	foreach ( $pll_taxonomies as $taxonomy ) {
70		- register_taxonomy( $taxonomy, null, array( 'label' => false, 'public' => false, 'query_var' => false, 'rewrite' => false ) );
	62	+ register_taxonomy(
	63	+ $taxonomy,
	64	+ null,
	65	+ array(
	66	+ 'label' => false,
	67	+ 'public' => false,
	68	+ 'query_var' => false,
	69	+ 'rewrite' => false,
	70	+ )
	71	+ );
71	72	}
72	73
73		- $languages = get_terms( 'language', array( 'hide_empty' => false ) );
	74	+ $languages = get_terms(
	75	+ array(
	76	+ 'taxonomy' => 'language',
	77	+ 'hide_empty' => false,
	78	+ )
	79	+ );
74	80
75		- // Delete users options
76		- foreach ( get_users( array( 'fields' => 'ID' ) ) as $user_id ) {
77		- delete_user_meta( $user_id, 'pll_filter_content' );
78		- delete_user_meta( $user_id, 'pll_dismissed_notices' ); // Legacy meta.
79		- foreach ( $languages as $lang ) {
80		- delete_user_meta( $user_id, 'description_' . $lang->slug );
81		- }
	81	+ // Delete users options.
	82	+ delete_metadata( 'user', 0, 'pll_filter_content', '', true );
	83	+ delete_metadata( 'user', 0, 'pll_dismissed_notices', '', true ); // Legacy meta.
	84	+ foreach ( $languages as $lang ) {
	85	+ delete_metadata( 'user', 0, "description_{$lang->slug}", '', true );
82	86	}
83	87
84		- // Delete menu language switchers
	88	+ // Delete menu language switchers.
85	89	$ids = get_posts(
86	90	array(
87	91	'post_type' => 'nav_menu_item',
88	92	'numberposts' => -1,
		@@ -95,16 +99,19 @@
95	99	foreach ( $ids as $id ) {
96	100	wp_delete_post( $id, true );
97	101	}
98	102
99		- // Delete the strings translations ( <1.2 )
100		- // FIXME: to remove when support for v1.1.6 will be dropped
101		- foreach ( $languages as $lang ) {
102		- delete_option( 'polylang_mo' . $lang->term_id );
103		- }
104		-
105		- // Delete the strings translations 1.2+
106		- register_post_type( 'polylang_mo', array( 'rewrite' => false, 'query_var' => false ) );
	103	+ /*
	104	+ * Backward compatibility with Polylang < 3.4.
	105	+ * Delete the legacy strings translations.
	106	+ */
	107	+ register_post_type(
	108	+ 'polylang_mo',
	109	+ array(
	110	+ 'rewrite' => false,
	111	+ 'query_var' => false,
	112	+ )
	113	+ );
107	114	$ids = get_posts(
108	115	array(
109	116	'post_type' => 'polylang_mo',
110	117	'post_status' => 'any',
		@@ -116,38 +123,71 @@
116	123	foreach ( $ids as $id ) {
117	124	wp_delete_post( $id, true );
118	125	}
119	126
120		- // Delete all what is related to languages and translations
	127	+ // Delete all what is related to languages and translations.
121	128	$term_ids = array();
122	129	$tt_ids = array();
123	130
124		- foreach ( get_terms( $pll_taxonomies, array( 'hide_empty' => false ) ) as $term ) {
	131	+ $terms = get_terms(
	132	+ array(
	133	+ 'taxonomy' => $pll_taxonomies,
	134	+ 'hide_empty' => false,
	135	+ )
	136	+ );
	137	+
	138	+ foreach ( $terms as $term ) {
125	139	$term_ids[] = (int) $term->term_id;
126		- $tt_ids[] = (int) $term->term_taxonomy_id;
	140	+ $tt_ids[] = (int) $term->term_taxonomy_id;
127	141	}
128	142
129	143	if ( ! empty( $term_ids ) ) {
130	144	$term_ids = array_unique( $term_ids );
131		- $wpdb->query( "DELETE FROM {$wpdb->terms} WHERE term_id IN ( " . implode( ',', $term_ids ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
132		- $wpdb->query( "DELETE FROM {$wpdb->term_taxonomy} WHERE term_id IN ( " . implode( ',', $term_ids ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
	145	+ $wpdb->query(
	146	+ $wpdb->prepare(
	147	+ sprintf(
	148	+ "DELETE FROM {$wpdb->terms} WHERE term_id IN (%s)",
	149	+ implode( ',', array_fill( 0, count( $term_ids ), '%d' ) )
	150	+ ),
	151	+ $term_ids
	152	+ )
	153	+ );
	154	+ $wpdb->query(
	155	+ $wpdb->prepare(
	156	+ sprintf(
	157	+ "DELETE FROM {$wpdb->term_taxonomy} WHERE term_id IN (%s)",
	158	+ implode( ',', array_fill( 0, count( $term_ids ), '%d' ) )
	159	+ ),
	160	+ $term_ids
	161	+ )
	162	+ );
	163	+ $wpdb->query(
	164	+ $wpdb->prepare(
	165	+ sprintf(
	166	+ "DELETE FROM {$wpdb->termmeta} WHERE term_id IN (%s) AND meta_key='_pll_strings_translations'",
	167	+ implode( ',', array_fill( 0, count( $term_ids ), '%d' ) )
	168	+ ),
	169	+ $term_ids
	170	+ )
	171	+ );
133	172	}
134	173
135	174	if ( ! empty( $tt_ids ) ) {
136	175	$tt_ids = array_unique( $tt_ids );
137		- $wpdb->query( "DELETE FROM {$wpdb->term_relationships} WHERE term_taxonomy_id IN ( " . implode( ',', $tt_ids ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
	176	+ $wpdb->query( $wpdb->prepare( sprintf( "DELETE FROM {$wpdb->term_relationships} WHERE term_taxonomy_id IN (%s)", implode( ',', array_fill( 0, count( $tt_ids ), '%d' ) ) ), $tt_ids ) );
138	177	}
139	178
140		- // Delete options
	179	+ // Delete options.
141	180	delete_option( 'polylang' );
142		- delete_option( 'widget_polylang' ); // Automatically created by WP
143		- delete_option( 'polylang_wpml_strings' ); // Strings registered with icl_register_string
	181	+ delete_option( 'widget_polylang' ); // Automatically created by WP.
	182	+ delete_option( 'polylang_wpml_strings' ); // Strings registered with icl_register_string.
144	183	delete_option( 'polylang_licenses' );
145	184	delete_option( 'pll_dismissed_notices' );
	185	+ delete_option( 'pll_language_from_content_available' );
	186	+ delete_option( 'pll_language_taxonomies' );
146	187
147		- // Delete transients
148		- delete_transient( 'pll_languages_list' );
149		- delete_transient( 'pll_upgrade_1_4' );
	188	+ // Delete transients.
	189	+ delete_option( '_transient_pll_languages_list' ); // Force deletion of the transient from the options table even in case external object cache is used.
150	190	}
151	191	}
152	192
153	193	new PLL_Uninstall();