| 1 |
<?php |
| 2 |
|
| 3 |
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) { // If uninstall not called from WordPress exit |
| 4 |
exit(); |
| 5 |
} |
| 6 |
|
| 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() { |
| 21 |
global $wpdb; |
| 22 |
|
| 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 ); |
| 27 |
$this->uninstall(); |
| 28 |
} |
| 29 |
restore_current_blog(); |
| 30 |
} |
| 31 |
else { |
| 32 |
$this->uninstall(); |
| 33 |
} |
| 34 |
} |
| 35 |
|
| 36 |
/** |
| 37 |
* Removes ALL plugin data |
| 38 |
* only when the relevant option is active |
| 39 |
* |
| 40 |
* @since 0.5 |
| 41 |
*/ |
| 42 |
public function uninstall() { |
| 43 |
$options = get_option( 'polylang' ); |
| 44 |
|
| 45 |
if ( empty( $options['uninstall'] ) ) { |
| 46 |
return; |
| 47 |
} |
| 48 |
|
| 49 |
global $wpdb; |
| 50 |
|
| 51 |
// Executes each module's uninstall script, if it exists |
| 52 |
$pll_modules_dir = dirname( __FILE__ ) . '/modules'; |
| 53 |
opendir( $pll_modules_dir ); |
| 54 |
while ( ( $module = readdir() ) != false ) { |
| 55 |
if ( substr( $module, 0, 1 ) !== '.' ) { |
| 56 |
$uninstall_script = $pll_modules_dir . '/' . $module . '/uninstall.php'; |
| 57 |
if ( file_exists( $uninstall_script ) ) { |
| 58 |
require $uninstall_script; |
| 59 |
} |
| 60 |
} |
| 61 |
} |
| 62 |
closedir(); |
| 63 |
|
| 64 |
// Suppress data of the old model < 1.2 |
| 65 |
// FIXME: to remove when support for v1.1.6 will be dropped |
| 66 |
$wpdb->termmeta = $wpdb->prefix . 'termmeta'; // registers the termmeta table in wpdb |
| 67 |
|
| 68 |
// Do nothing if the termmeta table does not exists |
| 69 |
if ( count( $wpdb->get_results( "SHOW TABLES LIKE '$wpdb->termmeta'" ) ) ) { |
| 70 |
$wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key = '_translations'" ); |
| 71 |
$wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_language'" ); |
| 72 |
$wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_rtl'" ); |
| 73 |
$wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_translations'" ); |
| 74 |
} |
| 75 |
|
| 76 |
// Need to register the taxonomies |
| 77 |
$pll_taxonomies = array( 'language', 'term_language', 'post_translations', 'term_translations' ); |
| 78 |
foreach ( $pll_taxonomies as $taxonomy ) { |
| 79 |
register_taxonomy( $taxonomy, null, array( 'label' => false, 'public' => false, 'query_var' => false, 'rewrite' => false ) ); |
| 80 |
} |
| 81 |
|
| 82 |
$languages = get_terms( 'language', array( 'hide_empty' => false ) ); |
| 83 |
|
| 84 |
// Delete users options |
| 85 |
foreach ( get_users( array( 'fields' => 'ID' ) ) as $user_id ) { |
| 86 |
delete_user_meta( $user_id, 'pll_filter_content' ); |
| 87 |
foreach ( $languages as $lang ) { |
| 88 |
delete_user_meta( $user_id, 'description_' . $lang->slug ); |
| 89 |
} |
| 90 |
} |
| 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 ); |
| 105 |
} |
| 106 |
|
| 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 ) ); |
| 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 |
foreach ( get_terms( $pll_taxonomies, array( 'hide_empty' => false ) ) as $term ) { |
| 130 |
$term_ids[] = (int) $term->term_id; |
| 131 |
$tt_ids[] = (int) $term->term_taxonomy_id; |
| 132 |
} |
| 133 |
|
| 134 |
if ( ! empty( $term_ids ) ) { |
| 135 |
$term_ids = array_unique( $term_ids ); |
| 136 |
$wpdb->query( "DELETE FROM {$wpdb->terms} WHERE term_id IN ( " . implode( ',', $term_ids ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared |
| 137 |
$wpdb->query( "DELETE FROM {$wpdb->term_taxonomy} WHERE term_id IN ( " . implode( ',', $term_ids ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared |
| 138 |
} |
| 139 |
|
| 140 |
if ( ! empty( $tt_ids ) ) { |
| 141 |
$tt_ids = array_unique( $tt_ids ); |
| 142 |
$wpdb->query( "DELETE FROM {$wpdb->term_relationships} WHERE term_taxonomy_id IN ( " . implode( ',', $tt_ids ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared |
| 143 |
} |
| 144 |
|
| 145 |
// Delete options |
| 146 |
delete_option( 'polylang' ); |
| 147 |
delete_option( 'widget_polylang' ); // Automatically created by WP |
| 148 |
delete_option( 'polylang_wpml_strings' ); // Strings registered with icl_register_string |
| 149 |
delete_option( 'polylang_licenses' ); |
| 150 |
|
| 151 |
// Delete transients |
| 152 |
delete_transient( 'pll_languages_list' ); |
| 153 |
delete_transient( 'pll_upgrade_1_4' ); |
| 154 |
} |
| 155 |
} |
| 156 |
|
| 157 |
new PLL_Uninstall(); |
| 158 |
|
