uninstall.php — Smush – Image Optimization, Compression, Lazy Load, WebP & CDN 3.15.2

wp-smushit / uninstall.php

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uninstall.php

202 lines

1	<?php
2	/**
3	* Remove plugin settings data.
4	*
5	* @since 1.7
6	* @package Smush
7	*/
8
9	use Smush\Core\Settings;
10
11	// If uninstall not called from WordPress exit.
12	if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
13	exit();
14	}
15
16	if ( ! class_exists( '\\Smush\\Core\\Settings' ) ) {
17	/* @noinspection PhpIncludeInspection */
18	include_once plugin_dir_path( __FILE__ ) . '/core/class-settings.php';
19	}
20	$keep_data = Settings::get_instance()->get( 'keep_data' );
21
22	// Check if someone want to keep the stats and settings.
23	if ( ( defined( 'WP_SMUSH_PRESERVE_STATS' ) && WP_SMUSH_PRESERVE_STATS ) \|\| true === $keep_data ) {
24	return;
25	}
26
27	global $wpdb;
28
29	$smushit_keys = array(
30	'wp-smush-resmush-list',
31	'wp-smush-nextgen-resmush-list',
32	'wp-smush-resize_sizes',
33	'wp-smush-transparent_png',
34	'wp-smush-image_sizes',
35	'wp-smush-super_smushed',
36	'wp-smush-super_smushed_nextgen',
37	'wp-smush-settings_updated',
38	'wp-smush-hide_update_info',
39	'wp-smush-install-type',
40	'wp-smush-version',
41	'wp-smush-scan',
42	'wp-smush-settings',
43	'wp-smush-cdn_status',
44	'wp-smush-lazy_load',
45	'wp-smush-last_run_sync',
46	'wp-smush-networkwide',
47	'wp-smush-cron_update_running',
48	'wp-smush-dismissed-notices',
49	'wp-smush-show_upgrade_modal',
50	'wp-smush-preset_configs',
51	'wp-smush-webp_hide_wizard',
52	'wp-smush-hide-tutorials',
53	'wp-smush-hide_tutorials_from_bulk_smush', // Possible leftover from 3.8.4.
54	'wp-smush-png2jpg-rewrite-rules-flushed',
55	'wp-smush-optimization-global-stats',
56	'wp-smush-resize-global-stats',
57	'wp-smush-png2jpg-global-stats',
58	'wp_smush_skip_image_sizes_recheck',
59	'wp_smush_image_sizes_state',
60	'wp_smush_global_stats',
61	'wp-smush-optimize-list',
62	'wp-smush-reoptimize-list',
63	'wp-smush-error-items-list',
64	'wp-smush-plugin-activated',
65	'wp_smush_run_optimize_on_scan_completed',
66	'wp-smush-nextgen-reoptimize-list',
67	'wp-smush-nextgen-super-smushed-list',
68	'wp_smush_scan_slice_size',
69	);
70
71	$db_keys = array(
72	'skip-smush-setup',
73	'smush_global_stats',
74	'wp_smush_stats_nextgen',
75	);
76
77	// Cache Keys.
78	$cache_smush_group = array(
79	'exceeding_items',
80	'wp-smush-resize_count',
81	'wp-smush-resize_savings',
82	'wp-smush-pngjpg_savings',
83	'wp-smush-smushed_ids',
84	'media_attachments',
85	'skipped_images',
86	'images_with_backups',
87	'wp-smush-dir_total_stats',
88	);
89
90	$cache_nextgen_group = array(
91	'wp_smush_images',
92	'wp_smush_images_smushed',
93	'wp_smush_images_unsmushed',
94	'wp_smush_stats_nextgen',
95	);
96
97	if ( ! is_multisite() ) {
98	// Delete Options.
99	foreach ( $smushit_keys as $key ) {
100	delete_option( $key );
101	delete_site_option( $key );
102	}
103
104	foreach ( $db_keys as $key ) {
105	delete_option( $key );
106	delete_site_option( $key );
107	}
108
109	// Delete Cache data.
110	foreach ( $cache_smush_group as $s_key ) {
111	wp_cache_delete( $s_key, 'wp-smush' );
112	}
113
114	foreach ( $cache_nextgen_group as $n_key ) {
115	wp_cache_delete( $n_key, 'nextgen' );
116	}
117
118	wp_cache_delete( 'get_image_sizes', 'smush_image_sizes' );
119
120	delete_transient( 'wp-smush-conflict_check' );
121	}
122
123	// Delete Directory Smush stats.
124	delete_option( 'dir_smush_stats' );
125	delete_option( 'wp_smush_scan' );
126	delete_option( 'wp_smush_api_auth' );
127	delete_site_option( 'wp_smush_api_auth' );
128
129	// Delete Post meta.
130	$meta_type = 'post';
131	$meta_key = 'wp-smpro-smush-data';
132	$meta_value = '';
133	$delete_all = true;
134
135	if ( is_multisite() ) {
136	$offset = 0;
137	$limit = 100;
138	while ( $blogs = $wpdb->get_results( "SELECT blog_id FROM {$wpdb->blogs} LIMIT $offset, $limit", ARRAY_A ) ) {
139	if ( $blogs ) {
140	foreach ( $blogs as $blog ) {
141	switch_to_blog( $blog['blog_id'] );
142	delete_metadata( $meta_type, null, $meta_key, $meta_value, $delete_all );
143	delete_metadata( $meta_type, null, 'wp-smush-lossy', '', $delete_all );
144	delete_metadata( $meta_type, null, 'wp-smush-resize_savings', '', $delete_all );
145	delete_metadata( $meta_type, null, 'wp-smush-original_file', '', $delete_all );
146	delete_metadata( $meta_type, null, 'wp-smush-pngjpg_savings', '', $delete_all );
147
148	foreach ( $smushit_keys as $key ) {
149	delete_option( $key );
150	delete_site_option( $key );
151	}
152
153	foreach ( $db_keys as $key ) {
154	delete_option( $key );
155	delete_site_option( $key );
156	}
157
158	// Delete Cache data.
159	foreach ( $cache_smush_group as $s_key ) {
160	wp_cache_delete( $s_key, 'wp-smush' );
161	}
162
163	foreach ( $cache_nextgen_group as $n_key ) {
164	wp_cache_delete( $n_key, 'nextgen' );
165	}
166
167	wp_cache_delete( 'get_image_sizes', 'smush_image_sizes' );
168	}
169	restore_current_blog();
170	}
171	$offset += $limit;
172	}
173	} else {
174	delete_metadata( $meta_type, null, $meta_key, $meta_value, $delete_all );
175	delete_metadata( $meta_type, null, 'wp-smush-lossy', '', $delete_all );
176	delete_metadata( $meta_type, null, 'wp-smush-resize_savings', '', $delete_all );
177	delete_metadata( $meta_type, null, 'wp-smush-original_file', '', $delete_all );
178	delete_metadata( $meta_type, null, 'wp-smush-pngjpg_savings', '', $delete_all );
179	}
180	// Delete Directory smush table.
181	$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->base_prefix}smush_dir_images" );
182
183	// Delete directory scan data.
184	delete_option( 'wp-smush-scan-step' );
185
186	// Delete all WebP images.
187	global $wp_filesystem;
188	if ( is_null( $wp_filesystem ) ) {
189	WP_Filesystem();
190	}
191
192	$upload_dir = wp_get_upload_dir();
193	$webp_dir = dirname( $upload_dir['basedir'] ) . '/smush-webp';
194	$wp_filesystem->delete( $webp_dir, true );
195
196	// Delete WebP test image.
197	$webp_img = $upload_dir['basedir'] . '/smush-webp-test.png';
198	$wp_filesystem->delete( $webp_img );
199
200	// TODO: Add procedure to delete backup files
201	// TODO: Update NextGen Metadata to remove Smush stats on plugin deletion.
202