← All changes | uninstall.php +84 -146 3.8.4 → 1.5.2 View file →

		@@ -1,193 +1,131 @@
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;
8		-}
	3	+//if uninstall not called from WordPress exit
	4	+if (!defined('WP_UNINSTALL_PLUGIN'))
	5	+ exit();
9	6
10		-/**
11		- * Manages Polylang uninstallation.
12		- * The goal is to remove **all** Polylang related data in db.
	7	+/*
	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 {
17	14
18		- /**
19		- * Constructor: manages uninstall for multisite.
	15	+ /*
	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.
32		- if ( is_multisite() ) {
33		- foreach ( $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" ) as $blog_id ) {
34		- switch_to_blog( $blog_id );
	23	+ // check if it is a multisite uninstall - if so, run the uninstall function for each blog id
	24	+ if (is_multisite()) {
	25	+ foreach ($wpdb->get_col("SELECT blog_id FROM $wpdb->blogs") as $blog_id) {
	26	+ switch_to_blog($blog_id);
35	27	$this->uninstall();
36	28	}
37	29	restore_current_blog();
38		- } else {
	30	+ }
	31	+ else
39	32	$this->uninstall();
40		- }
41	33	}
42	34
43		- /**
44		- * Removes **all** plugin data.
	35	+ /*
	36	+ * removes ALL plugin data
45	37	*
46	38	* @since 0.5
47	39	*/
48		- public function uninstall() {
	40	+ function uninstall() {
	41	+ // suppress data of the old model < 1.2
	42	+ // FIXME: to remove when support for v1.1.6 will be dropped
49	43	global $wpdb;
	44	+ $wpdb->termmeta = $wpdb->prefix . 'termmeta'; // registers the termmeta table in wpdb
50	45
51		- do_action( 'pll_uninstall' );
	46	+ // do nothing if the termmeta table does not exists
	47	+ if (count($wpdb->get_results("SHOW TABLES LIKE '$wpdb->termmeta'"))) {
	48	+ $wpdb->query("DELETE FROM $wpdb->postmeta WHERE meta_key = '_translations'");
	49	+ $wpdb->query("DELETE FROM $wpdb->termmeta WHERE meta_key = '_language'");
	50	+ $wpdb->query("DELETE FROM $wpdb->termmeta WHERE meta_key = '_rtl'");
	51	+ $wpdb->query("DELETE FROM $wpdb->termmeta WHERE meta_key = '_translations'");
52	52
53		- // We need to register the taxonomies.
54		- $pll_taxonomies = array(
55		- 'language',
56		- 'term_language',
57		- 'post_translations',
58		- 'term_translations',
59		- );
	53	+ // delete the termmeta table only if it is empty as other plugins may use it
	54	+ if (!$wpdb->get_var("SELECT COUNT(*) FROM $wpdb->termmeta;"))
	55	+ $wpdb->query("DROP TABLE $wpdb->termmeta;");
	56	+ }
60	57
61		- 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		- );
72		- }
73	58
74		- $languages = get_terms(
75		- array(
76		- 'taxonomy' => 'language',
77		- 'hide_empty' => false,
78		- )
79		- );
	59	+ // need to register the taxonomies
	60	+ $pll_taxonomies = array('language', 'term_language', 'post_translations', 'term_translations');
	61	+ foreach ($pll_taxonomies as $taxonomy)
	62	+ register_taxonomy($taxonomy, null , array('label' => false, 'public' => false, 'query_var' => false, 'rewrite' => false));
80	63
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 );
86		- }
87	64
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		- );
	65	+ $languages = get_terms('language', array('hide_empty'=>false));
98	66
99		- foreach ( $ids as $id ) {
100		- wp_delete_post( $id, true );
	67	+ // delete users options
	68	+ foreach (get_users(array('fields' => 'ID')) as $user_id) {
	69	+ delete_user_meta($user_id, 'user_lang');
	70	+ delete_user_meta($user_id, 'pll_filter_content');
	71	+ foreach ($languages as $lang)
	72	+ delete_user_meta($user_id, 'description_'.$lang->slug);
101	73	}
102	74
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		- );
123		- foreach ( $ids as $id ) {
124		- wp_delete_post( $id, true );
125		- }
	75	+ // delete menu language switchers
	76	+ $ids = get_posts(array(
	77	+ 'post_type' => 'nav_menu_item',
	78	+ 'numberposts' => -1,
	79	+ 'nopaging' => true,
	80	+ 'fields' => 'ids',
	81	+ 'meta_key' => '_pll_menu_item'
	82	+ ));
126	83
127		- // Delete all what is related to languages and translations.
128		- $term_ids = array();
129		- $tt_ids = array();
	84	+ foreach ($ids as $id)
	85	+ wp_delete_post($id, true);
130	86
131		- $terms = get_terms(
132		- array(
133		- 'taxonomy' => $pll_taxonomies,
134		- 'hide_empty' => false,
135		- )
136		- );
	87	+ // delete the strings translations (<1.2)
	88	+ // FIXME: to remove when support for v1.1.6 will be dropped
	89	+ foreach ($languages as $lang)
	90	+ delete_option('polylang_mo'.$lang->term_id);
137	91
138		- foreach ( $terms as $term ) {
	92	+ // delete the strings translations 1.2+
	93	+ register_post_type('polylang_mo', array('rewrite' => false, 'query_var' => false));
	94	+ $ids = get_posts(array(
	95	+ 'post_type' => 'polylang_mo',
	96	+ 'numberposts' => -1,
	97	+ 'nopaging' => true,
	98	+ 'fields' => 'ids',
	99	+ ));
	100	+ foreach ($ids as $id)
	101	+ wp_delete_post($id, true);
	102	+
	103	+ // delete all what is related to languages and translations
	104	+ foreach (get_terms($pll_taxonomies, array('hide_empty'=>false)) as $term) {
139	105	$term_ids[] = (int) $term->term_id;
140		- $tt_ids[] = (int) $term->term_taxonomy_id;
	106	+ $tt_ids[] = (int) $term->term_taxonomy_id;
141	107	}
142	108
143		- if ( ! empty( $term_ids ) ) {
144		- $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		- $term_ids
170		- )
171		- );
	109	+ if (!empty($term_ids)) {
	110	+ $term_ids = array_unique($term_ids);
	111	+ $wpdb->query("DELETE FROM $wpdb->terms WHERE term_id IN (" . implode(',', $term_ids) . ")");
	112	+ $wpdb->query("DELETE FROM $wpdb->term_taxonomy WHERE term_id IN (" . implode(',', $term_ids) . ")");
172	113	}
173	114
174		- if ( ! empty( $tt_ids ) ) {
175		- $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' ) ) ), $tt_ids ) );
	115	+ if (!empty($tt_ids)) {
	116	+ $tt_ids = array_unique($tt_ids);
	117	+ $wpdb->query("DELETE FROM $wpdb->term_relationships WHERE term_taxonomy_id IN (" . implode(',', $tt_ids) . ")");
177	118	}
178	119
179		- // Delete options.
180		- delete_option( 'polylang' );
181		- delete_option( 'widget_polylang' ); // Automatically created by WP.
182		- delete_option( 'polylang_wpml_strings' ); // Strings registered with icl_register_string.
183		- delete_option( 'polylang_licenses' );
184		- delete_option( 'pll_dismissed_notices' );
185		- delete_option( 'pll_language_from_content_available' );
186		- delete_option( 'pll_language_taxonomies' );
	120	+ // delete options
	121	+ delete_option('polylang');
	122	+ delete_option('widget_polylang'); // automatically created by WP
	123	+ delete_option('polylang_wpml_strings'); // strings registered with icl_register_string
187	124
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.
	125	+ //delete transients
	126	+ delete_transient('pll_languages_list');
	127	+ delete_transient('pll_upgrade_1_4');
190	128	}
191	129	}
192	130
193	131	new PLL_Uninstall();