← All changes | uninstall.php +40 -128 2.8 → 0.7 View file →

		@@ -1,153 +1,65 @@
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	+class Polylang_Uninstall {
9	4
10		-/**
11		- * Manages Polylang uninstallation
12		- * The goal is to remove ALL Polylang related data in db
13		- *
14		- * @since 0.5
15		- */
16		-class PLL_Uninstall {
17		-
18		- /**
19		- * Constructor: manages uninstall for multisite
20		- *
21		- * @since 0.5
22		- */
23		- public function __construct() {
	5	+ function __construct() {
24	6	global $wpdb;
25	7
26		- // Don't do anything except if the constant PLL_REMOVE_ALL_DATA is explicitely 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( $blog_id );
	8	+ // check if it is a multisite uninstall - if so, run the uninstall function for each blog id
	9	+ if (is_multisite()) {
	10	+ foreach ($wpdb->get_col($wpdb->prepare("SELECT blog_id FROM $wpdb->blogs")) as $blog_id) {
	11	+ switch_to_blog($blog_id);
35	12	$this->uninstall();
36	13	}
37	14	restore_current_blog();
38	15	}
39		- else {
	16	+ else
40	17	$this->uninstall();
41		- }
42	18	}
43	19
44		- /**
45		- * Removes ALL plugin data
46		- * only when the relevant option is active
47		- *
48		- * @since 0.5
49		- */
50		- public function uninstall() {
	20	+ // removes ALL plugin data (languages, translation, and the termmeta table if empty
	21	+ function uninstall() {
51	22	global $wpdb;
52		-
53		- do_action( 'pll_uninstall' );
54		-
55		- // Suppress data of the old model < 1.2
56		- // FIXME: to remove when support for v1.1.6 will be dropped
57	23	$wpdb->termmeta = $wpdb->prefix . 'termmeta'; // registers the termmeta table in wpdb
	24	+ register_taxonomy('language', get_post_types(array('show_ui' => true)), array('label' => false, 'query_var'=>'lang')); // need to register the language taxonomy
58	25
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		- }
	26	+ $languages = get_terms('language', array('hide_empty'=>false));
66	27
67		- // Need to register the taxonomies
68		- $pll_taxonomies = array( 'language', 'term_language', 'post_translations', 'term_translations' );
69		- foreach ( $pll_taxonomies as $taxonomy ) {
70		- register_taxonomy( $taxonomy, null, array( 'label' => false, 'public' => false, 'query_var' => false, 'rewrite' => false ) );
71		- }
	28	+ // delete posts translations
	29	+ $ids = get_posts(array('numberposts'=> -1, 'fields' => 'ids', 'meta_key'=>'_translations', 'post_type'=>'any', 'post_status'=>'any'));
	30	+ foreach ($ids as $id)
	31	+ delete_post_meta($id, '_translations');
72	32
73		- $languages = get_terms( 'language', array( 'hide_empty' => false ) );
74		-
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		- }
	33	+ // delete terms translations
	34	+ $ids = get_terms(get_taxonomies(array('show_ui'=>true)), array('get'=>'all', 'fields'=>'ids'));
	35	+ foreach ($ids as $id) {
	36	+ delete_metadata('term', $id, '_translations');
	37	+ delete_metadata('term', $id, '_language');
82	38	}
83		-
84		- // Delete menu language switchers
85		- $ids = get_posts(
86		- array(
87		- 'post_type' => 'nav_menu_item',
88		- 'numberposts' => -1,
89		- 'nopaging' => true,
90		- 'fields' => 'ids',
91		- 'meta_key' => '_pll_menu_item',
92		- )
93		- );
94		-
95		- foreach ( $ids as $id ) {
96		- wp_delete_post( $id, true );
	39	+
	40	+ foreach ($languages as $lang) {
	41	+ delete_metadata('term', $lang->term_id, '_rtl'); // delete rtl meta
	42	+ delete_option('polylang_mo'.$lang->term_id); // delete the string translations
	43	+ wp_delete_term($lang->term_id, 'language'); // finally delete languages
97	44	}
98	45
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 );
	46	+ // delete the termmeta table only if it is empty as other plugins may use it
	47	+ $table = $wpdb->termmeta;
	48	+ $count = $wpdb->get_var("SELECT COUNT(*) FROM $table;");
	49	+ if (!$count) {
	50	+ $wpdb->query($wpdb->prepare("DROP TABLE $table;"));
	51	+ unset($wpdb->termmeta);
103	52	}
104	53
105		- // Delete the strings translations 1.2+
106		- register_post_type( 'polylang_mo', array( 'rewrite' => false, 'query_var' => false ) );
107		- $ids = get_posts(
108		- array(
109		- 'post_type' => 'polylang_mo',
110		- 'post_status' => 'any',
111		- 'numberposts' => -1,
112		- 'nopaging' => true,
113		- 'fields' => 'ids',
114		- )
115		- );
116		- foreach ( $ids as $id ) {
117		- wp_delete_post( $id, true );
118		- }
119		-
120		- // Delete all what is related to languages and translations
121		- $term_ids = array();
122		- $tt_ids = array();
123		-
124		- foreach ( get_terms( $pll_taxonomies, array( 'hide_empty' => false ) ) as $term ) {
125		- $term_ids[] = (int) $term->term_id;
126		- $tt_ids[] = (int) $term->term_taxonomy_id;
127		- }
128		-
129		- if ( ! empty( $term_ids ) ) {
130		- $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
133		- }
134		-
135		- if ( ! empty( $tt_ids ) ) {
136		- $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
138		- }
139		-
140		- // Delete options
141		- delete_option( 'polylang' );
142		- delete_option( 'widget_polylang' ); // Automatically created by WP
143		- delete_option( 'polylang_wpml_strings' ); // Strings registered with icl_register_string
144		- delete_option( 'polylang_licenses' );
145		- delete_option( 'pll_dismissed_notices' );
146		-
147		- // Delete transients
148		- delete_transient( 'pll_languages_list' );
149		- delete_transient( 'pll_upgrade_1_4' );
	54	+ // delete options
	55	+ delete_option('polylang');
	56	+ delete_option('polylang_nav_menus');
	57	+ delete_option('polylang_widgets');
	58	+ delete_option('polylang_widget'); // automatically created by WP
150	59	}
151	60	}
152	61
153		-new PLL_Uninstall();
	62	+if (class_exists("Polylang_Uninstall"))
	63	+ new Polylang_Uninstall();
	64	+
	65	+?>