← All changes | uninstall.php +75 -127 3.8.4 → 2.3.6 View file →

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