← All changes | uninstall.php +40 -136 2.7.1 → 0.7 View file →

		@@ -1,161 +1,65 @@
1	1	<?php
2	2
3		-if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) { // If uninstall not called from WordPress exit
4		- exit;
5		-}
	3	+class Polylang_Uninstall {
6	4
7		-/**
8		- * Manages Polylang uninstallation
9		- * The goal is to remove ALL Polylang related data in db
10		- *
11		- * @since 0.5
12		- */
13		-class PLL_Uninstall {
14		-
15		- /**
16		- * Constructor: manages uninstall for multisite
17		- *
18		- * @since 0.5
19		- */
20		- public function __construct() {
	5	+ function __construct() {
21	6	global $wpdb;
22	7
23		- // Don't do anything except if the constant PLL_REMOVE_ALL_DATA is explicitely defined and true.
24		- if ( ! defined( 'PLL_REMOVE_ALL_DATA' ) || ! PLL_REMOVE_ALL_DATA ) {
25		- return;
26		- }
27		-
28		- // Check if it is a multisite uninstall - if so, run the uninstall function for each blog id
29		- if ( is_multisite() ) {
30		- foreach ( $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" ) as $blog_id ) {
31		- 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);
32	12	$this->uninstall();
33	13	}
34	14	restore_current_blog();
35	15	}
36		- else {
	16	+ else
37	17	$this->uninstall();
38		- }
39	18	}
40	19
41		- /**
42		- * Removes ALL plugin data
43		- * only when the relevant option is active
44		- *
45		- * @since 0.5
46		- */
47		- public function uninstall() {
	20	+ // removes ALL plugin data (languages, translation, and the termmeta table if empty
	21	+ function uninstall() {
48	22	global $wpdb;
49		-
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();
62		-
63		- // Suppress data of the old model < 1.2
64		- // FIXME: to remove when support for v1.1.6 will be dropped
65	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
66	25
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		- }
	26	+ $languages = get_terms('language', array('hide_empty'=>false));
74	27
75		- // Need to register the taxonomies
76		- $pll_taxonomies = array( 'language', 'term_language', 'post_translations', 'term_translations' );
77		- foreach ( $pll_taxonomies as $taxonomy ) {
78		- register_taxonomy( $taxonomy, null, array( 'label' => false, 'public' => false, 'query_var' => false, 'rewrite' => false ) );
79		- }
	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');
80	32
81		- $languages = get_terms( 'language', array( 'hide_empty' => false ) );
82		-
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		- }
	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');
90	38	}
91		-
92		- // Delete menu language switchers
93		- $ids = get_posts(
94		- array(
95		- 'post_type' => 'nav_menu_item',
96		- 'numberposts' => -1,
97		- 'nopaging' => true,
98		- 'fields' => 'ids',
99		- 'meta_key' => '_pll_menu_item',
100		- )
101		- );
102		-
103		- foreach ( $ids as $id ) {
104		- 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
105	44	}
106	45
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 );
	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);
111	52	}
112	53
113		- // Delete the strings translations 1.2+
114		- register_post_type( 'polylang_mo', array( 'rewrite' => false, 'query_var' => false ) );
115		- $ids = get_posts(
116		- array(
117		- 'post_type' => 'polylang_mo',
118		- 'post_status' => 'any',
119		- 'numberposts' => -1,
120		- 'nopaging' => true,
121		- 'fields' => 'ids',
122		- )
123		- );
124		- foreach ( $ids as $id ) {
125		- wp_delete_post( $id, true );
126		- }
127		-
128		- // Delete all what is related to languages and translations
129		- $term_ids = array();
130		- $tt_ids = array();
131		-
132		- foreach ( get_terms( $pll_taxonomies, array( 'hide_empty' => false ) ) as $term ) {
133		- $term_ids[] = (int) $term->term_id;
134		- $tt_ids[] = (int) $term->term_taxonomy_id;
135		- }
136		-
137		- if ( ! empty( $term_ids ) ) {
138		- $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
141		- }
142		-
143		- if ( ! empty( $tt_ids ) ) {
144		- $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
146		- }
147		-
148		- // Delete options
149		- delete_option( 'polylang' );
150		- delete_option( 'widget_polylang' ); // Automatically created by WP
151		- delete_option( 'polylang_wpml_strings' ); // Strings registered with icl_register_string
152		- delete_option( 'polylang_licenses' );
153		- delete_option( 'pll_dismissed_notices' );
154		-
155		- // Delete transients
156		- delete_transient( 'pll_languages_list' );
157		- 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
158	59	}
159	60	}
160	61
161		-new PLL_Uninstall();
	62	+if (class_exists("Polylang_Uninstall"))
	63	+ new Polylang_Uninstall();
	64	+
	65	+?>