← All changes | uninstall.php +97 -65 2.7.1 → trunk View file →

		@@ -1,13 +1,16 @@
1	1	<?php
	2	+/**
	3	+ * @package Polylang
	4	+ */
2	5
3		-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.
4	7	exit;
5	8	}
6	9
7	10	/**
8		- * Manages Polylang uninstallation
9		- * 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.
10	13	*
11	14	* @since 0.5
12	15	*/
13	16	class PLL_Uninstall {
		@@ -12,9 +15,9 @@
12	15	*/
13	16	class PLL_Uninstall {
14	17
15	18	/**
16		- * Constructor: manages uninstall for multisite
	19	+ * Constructor: manages uninstall for multisite.
17	20	*
18	21	* @since 0.5
19	22	*/
20	23	public function __construct() {
		@@ -19,14 +22,14 @@
19	22	*/
20	23	public function __construct() {
21	24	global $wpdb;
22	25
23		- // 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.
24	27	if ( ! defined( 'PLL_REMOVE_ALL_DATA' ) || ! PLL_REMOVE_ALL_DATA ) {
25	28	return;
26	29	}
27	30
28		- // 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.
29	32	if ( is_multisite() ) {
30	33	foreach ( $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" ) as $blog_id ) {
31	34	switch_to_blog( $blog_id );
32	35	$this->uninstall();
		@@ -31,17 +34,15 @@
31	34	switch_to_blog( $blog_id );
32	35	$this->uninstall();
33	36	}
34	37	restore_current_blog();
35		- }
36		- else {
	38	+ } else {
37	39	$this->uninstall();
38	40	}
39	41	}
40	42
41	43	/**
42		- * Removes ALL plugin data
43		- * only when the relevant option is active
	44	+ * Removes **all** plugin data.
44	45	*
45	46	* @since 0.5
46	47	*/
47	48	public function uninstall() {
		@@ -46,51 +47,46 @@
46	47	*/
47	48	public function uninstall() {
48	49	global $wpdb;
49	50
50		- // Executes each module's uninstall script, if it exists
51		- $pll_modules_dir = dirname( __FILE__ ) . '/modules';
52		- opendir( $pll_modules_dir );
53		- while ( ( $module = readdir() ) != false ) {
54		- if ( substr( $module, 0, 1 ) !== '.' ) {
55		- $uninstall_script = $pll_modules_dir . '/' . $module . '/uninstall.php';
56		- if ( file_exists( $uninstall_script ) ) {
57		- require $uninstall_script; // phpcs:ignore WordPressVIPMinimum.Files.IncludingFile.UsingVariable
58		- }
59		- }
60		- }
61		- closedir();
	51	+ do_action( 'pll_uninstall' );
62	52
63		- // Suppress data of the old model < 1.2
64		- // FIXME: to remove when support for v1.1.6 will be dropped
65		- $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	+ );
66	60
67		- // Do nothing if the termmeta table does not exists
68		- if ( count( $wpdb->get_results( "SHOW TABLES LIKE '$wpdb->termmeta'" ) ) ) {
69		- $wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key = '_translations'" );
70		- $wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_language'" );
71		- $wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_rtl'" );
72		- $wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_translations'" );
73		- }
74		-
75		- // Need to register the taxonomies
76		- $pll_taxonomies = array( 'language', 'term_language', 'post_translations', 'term_translations' );
77	61	foreach ( $pll_taxonomies as $taxonomy ) {
78		- 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	+ );
79	72	}
80	73
81		- $languages = get_terms( 'language', array( 'hide_empty' => false ) );
	74	+ $languages = get_terms(
	75	+ array(
	76	+ 'taxonomy' => 'language',
	77	+ 'hide_empty' => false,
	78	+ )
	79	+ );
82	80
83		- // Delete users options
84		- foreach ( get_users( array( 'fields' => 'ID' ) ) as $user_id ) {
85		- delete_user_meta( $user_id, 'pll_filter_content' );
86		- delete_user_meta( $user_id, 'pll_dismissed_notices' ); // Legacy meta.
87		- foreach ( $languages as $lang ) {
88		- delete_user_meta( $user_id, 'description_' . $lang->slug );
89		- }
	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 );
90	86	}
91	87
92		- // Delete menu language switchers
	88	+ // Delete menu language switchers.
93	89	$ids = get_posts(
94	90	array(
95	91	'post_type' => 'nav_menu_item',
96	92	'numberposts' => -1,
		@@ -103,16 +99,19 @@
103	99	foreach ( $ids as $id ) {
104	100	wp_delete_post( $id, true );
105	101	}
106	102
107		- // Delete the strings translations ( <1.2 )
108		- // FIXME: to remove when support for v1.1.6 will be dropped
109		- foreach ( $languages as $lang ) {
110		- delete_option( 'polylang_mo' . $lang->term_id );
111		- }
112		-
113		- // Delete the strings translations 1.2+
114		- 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	+ );
115	114	$ids = get_posts(
116	115	array(
117	116	'post_type' => 'polylang_mo',
118	117	'post_status' => 'any',
		@@ -124,38 +123,71 @@
124	123	foreach ( $ids as $id ) {
125	124	wp_delete_post( $id, true );
126	125	}
127	126
128		- // Delete all what is related to languages and translations
	127	+ // Delete all what is related to languages and translations.
129	128	$term_ids = array();
130	129	$tt_ids = array();
131	130
132		- 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 ) {
133	139	$term_ids[] = (int) $term->term_id;
134		- $tt_ids[] = (int) $term->term_taxonomy_id;
	140	+ $tt_ids[] = (int) $term->term_taxonomy_id;
135	141	}
136	142
137	143	if ( ! empty( $term_ids ) ) {
138	144	$term_ids = array_unique( $term_ids );
139		- $wpdb->query( "DELETE FROM {$wpdb->terms} WHERE term_id IN ( " . implode( ',', $term_ids ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
140		- $wpdb->query( "DELETE FROM {$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	+ );
141	172	}
142	173
143	174	if ( ! empty( $tt_ids ) ) {
144	175	$tt_ids = array_unique( $tt_ids );
145		- $wpdb->query( "DELETE FROM {$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 ) );
146	177	}
147	178
148		- // Delete options
	179	+ // Delete options.
149	180	delete_option( 'polylang' );
150		- delete_option( 'widget_polylang' ); // Automatically created by WP
151		- 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.
152	183	delete_option( 'polylang_licenses' );
153	184	delete_option( 'pll_dismissed_notices' );
	185	+ delete_option( 'pll_language_from_content_available' );
	186	+ delete_option( 'pll_language_taxonomies' );
154	187
155		- // Delete transients
156		- delete_transient( 'pll_languages_list' );
157		- 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.
158	190	}
159	191	}
160	192
161	193	new PLL_Uninstall();