wordpress/php-fpm/wordpress_files/plugins/polylang/uninstall.php
2020-05-22 01:40:23 +00:00

162 lines
5.0 KiB
PHP

<?php
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) { // If uninstall not called from WordPress exit
exit;
}
/**
* Manages Polylang uninstallation
* The goal is to remove ALL Polylang related data in db
*
* @since 0.5
*/
class PLL_Uninstall {
/**
* Constructor: manages uninstall for multisite
*
* @since 0.5
*/
public function __construct() {
global $wpdb;
// Don't do anything except if the constant PLL_REMOVE_ALL_DATA is explicitely defined and true.
if ( ! defined( 'PLL_REMOVE_ALL_DATA' ) || ! PLL_REMOVE_ALL_DATA ) {
return;
}
// Check if it is a multisite uninstall - if so, run the uninstall function for each blog id
if ( is_multisite() ) {
foreach ( $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" ) as $blog_id ) {
switch_to_blog( $blog_id );
$this->uninstall();
}
restore_current_blog();
}
else {
$this->uninstall();
}
}
/**
* Removes ALL plugin data
* only when the relevant option is active
*
* @since 0.5
*/
public function uninstall() {
global $wpdb;
// Executes each module's uninstall script, if it exists
$pll_modules_dir = dirname( __FILE__ ) . '/modules';
opendir( $pll_modules_dir );
while ( ( $module = readdir() ) != false ) {
if ( substr( $module, 0, 1 ) !== '.' ) {
$uninstall_script = $pll_modules_dir . '/' . $module . '/uninstall.php';
if ( file_exists( $uninstall_script ) ) {
require $uninstall_script; // phpcs:ignore WordPressVIPMinimum.Files.IncludingFile.UsingVariable
}
}
}
closedir();
// Suppress data of the old model < 1.2
// FIXME: to remove when support for v1.1.6 will be dropped
$wpdb->termmeta = $wpdb->prefix . 'termmeta'; // registers the termmeta table in wpdb
// Do nothing if the termmeta table does not exists
if ( count( $wpdb->get_results( "SHOW TABLES LIKE '$wpdb->termmeta'" ) ) ) {
$wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key = '_translations'" );
$wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_language'" );
$wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_rtl'" );
$wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_translations'" );
}
// Need to register the taxonomies
$pll_taxonomies = array( 'language', 'term_language', 'post_translations', 'term_translations' );
foreach ( $pll_taxonomies as $taxonomy ) {
register_taxonomy( $taxonomy, null, array( 'label' => false, 'public' => false, 'query_var' => false, 'rewrite' => false ) );
}
$languages = get_terms( 'language', array( 'hide_empty' => false ) );
// Delete users options
foreach ( get_users( array( 'fields' => 'ID' ) ) as $user_id ) {
delete_user_meta( $user_id, 'pll_filter_content' );
delete_user_meta( $user_id, 'pll_dismissed_notices' ); // Legacy meta.
foreach ( $languages as $lang ) {
delete_user_meta( $user_id, 'description_' . $lang->slug );
}
}
// Delete menu language switchers
$ids = get_posts(
array(
'post_type' => 'nav_menu_item',
'numberposts' => -1,
'nopaging' => true,
'fields' => 'ids',
'meta_key' => '_pll_menu_item',
)
);
foreach ( $ids as $id ) {
wp_delete_post( $id, true );
}
// Delete the strings translations ( <1.2 )
// FIXME: to remove when support for v1.1.6 will be dropped
foreach ( $languages as $lang ) {
delete_option( 'polylang_mo' . $lang->term_id );
}
// Delete the strings translations 1.2+
register_post_type( 'polylang_mo', array( 'rewrite' => false, 'query_var' => false ) );
$ids = get_posts(
array(
'post_type' => 'polylang_mo',
'post_status' => 'any',
'numberposts' => -1,
'nopaging' => true,
'fields' => 'ids',
)
);
foreach ( $ids as $id ) {
wp_delete_post( $id, true );
}
// Delete all what is related to languages and translations
$term_ids = array();
$tt_ids = array();
foreach ( get_terms( $pll_taxonomies, array( 'hide_empty' => false ) ) as $term ) {
$term_ids[] = (int) $term->term_id;
$tt_ids[] = (int) $term->term_taxonomy_id;
}
if ( ! empty( $term_ids ) ) {
$term_ids = array_unique( $term_ids );
$wpdb->query( "DELETE FROM {$wpdb->terms} WHERE term_id IN ( " . implode( ',', $term_ids ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
$wpdb->query( "DELETE FROM {$wpdb->term_taxonomy} WHERE term_id IN ( " . implode( ',', $term_ids ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
}
if ( ! empty( $tt_ids ) ) {
$tt_ids = array_unique( $tt_ids );
$wpdb->query( "DELETE FROM {$wpdb->term_relationships} WHERE term_taxonomy_id IN ( " . implode( ',', $tt_ids ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
}
// Delete options
delete_option( 'polylang' );
delete_option( 'widget_polylang' ); // Automatically created by WP
delete_option( 'polylang_wpml_strings' ); // Strings registered with icl_register_string
delete_option( 'polylang_licenses' );
delete_option( 'pll_dismissed_notices' );
// Delete transients
delete_transient( 'pll_languages_list' );
delete_transient( 'pll_upgrade_1_4' );
}
}
new PLL_Uninstall();