<?php
/**
* Remove plugin settings data
*
* @since 1.7
*
*/
//if uninstall not called from WordPress exit
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
exit();
}
global $wpdb;
$smushit_keys = array(
'auto',
'original',
'lossy',
'backup',
'resize',
'png_to_jpg',
'resize-sizes',
'nextgen',
'keep_exif',
'resmush-list',
'resize_sizes',
'transparent_png',
'image_sizes',
'skip-redirect',
'nextgen-resmush-list',
'super_smushed',
'super_smushed_nextgen',
'settings_updated',
'skip-redirect',
'hide_smush_welcome',
'hide_upgrade_notice',
'hide_update_info',
'install-type',
'lossy-updated',
'version'
);
//Cache Keys
$cache_keys = array(
'smush_global_stats',
);
$cache_smush_group = array(
'exceeding_items',
'wp-smush-resize_savings',
'pngjpg_savings'
);
$cache_nextgen_group = array(
'wp_smush_images',
'wp_smush_images_smushed',
'wp_smush_images_unsmushed',
'wp_smush_stats_nextgen',
);
if ( ! is_multisite() ) {
//Delete Options
foreach ( $smushit_keys as $key ) {
$key = 'wp-smush-' . $key;
delete_option( $key );
delete_site_option( $key );
}
//Delete Cache data
foreach ( $cache_keys as $key ) {
wp_cache_delete( $key );
}
foreach ( $cache_smush_group as $s_key ) {
wp_cache_delete( $s_key, 'smush' );
}
foreach ( $cache_nextgen_group as $n_key ) {
wp_cache_delete( $n_key, 'nextgen' );
}
}
//Delete Post meta
$meta_type = 'post';
$meta_key = 'wp-smpro-smush-data';
$meta_value = '';
$delete_all = true;
if ( is_multisite() ) {
$offset = 0;
$limit = 100;
while ( $blogs = $wpdb->get_results( "SELECT blog_id FROM {$wpdb->blogs} LIMIT $offset, $limit", ARRAY_A ) ) {
if ( $blogs ) {
foreach ( $blogs as $blog ) {
switch_to_blog( $blog['blog_id'] );
delete_metadata( $meta_type, null, $meta_key, $meta_value, $delete_all );
delete_metadata( $meta_type, null, 'wp-smush-lossy', '', $delete_all );
delete_metadata( $meta_type, null, 'wp-smush-resize_savings', '', $delete_all );
delete_metadata( $meta_type, null, 'wp-smush-original_file', '', $delete_all );
delete_metadata( $meta_type, null, 'wp-smush-pngjpg_savings', '', $delete_all );
foreach ( $smushit_keys as $key ) {
$key = 'wp-smush-' . $key;
delete_option( $key );
delete_site_option( $key );
}
//Delete Cache data
foreach ( $cache_keys as $key ) {
wp_cache_delete( $key );
}
foreach ( $cache_smush_group as $s_key ) {
wp_cache_delete( $s_key, 'smush' );
}
foreach ( $cache_nextgen_group as $n_key ) {
wp_cache_delete( $n_key, 'nextgen' );
}
}
restore_current_blog();
}
$offset += $limit;
}
} else {
delete_metadata( $meta_type, null, $meta_key, $meta_value, $delete_all );
delete_metadata( $meta_type, null, 'wp-smush-lossy', '', $delete_all );
delete_metadata( $meta_type, null, 'wp-smush-resize_savings', '', $delete_all );
delete_metadata( $meta_type, null, 'wp-smush-original_file', '', $delete_all );
delete_metadata( $meta_type, null, 'wp-smush-pngjpg_savings', '', $delete_all );
}
//@todo: Add procedure to delete backup files
//@todo: Update NextGen Metadata to remove Smush stats on plugin deletion
?> |