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WP STAGING – WordPress Backup, Restore, Migration & Clone / 4.3.0
WP STAGING – WordPress Backup, Restore, Migration & Clone v4.3.0
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wp-staging / opcacheBootstrap.php
wp-staging Last commit date
Backend 10 months ago Backup 10 months ago Basic 11 months ago Core 10 months ago Framework 10 months ago Frontend 11 months ago Notifications 1 year ago Staging 10 months ago assets 10 months ago languages 1 year ago resources 1 year ago vendor_wpstg 10 months ago views 10 months ago CLAUDE.md 10 months ago CONTRIBUTING.md 1 year ago Deactivate.php 10 months ago README.md 1 year ago SECURITY.md 2 years ago autoloader.php 3 years ago bootstrap.php 1 year ago constantsFree.php 10 months ago freeBootstrap.php 1 year ago install.php 1 year ago opcacheBootstrap.php 10 months ago readme.txt 10 months ago runtimeRequirements.php 1 year ago uninstall.php 11 months ago wp-staging-error-handler.php 1 year ago wp-staging.php 10 months ago
opcacheBootstrap.php
114 lines
1 <?php
2
3 /**
4 * WordPress installations with OPCache enabled might bootstrap in an
5 * incoherent state from PHP and the Filesystem, causing fatal errors if
6 * upgrading to a newer version where a file has been removed.
7 *
8 * This file clears OPCache in this plugin if needed.
9 *
10 * WordPress 5.5+ handles OPCache invalidation depending on
11 * whether \WP_Upgrader::run is called with the "clear_destination"
12 * parameter set to true.
13 *
14 * @var string $pluginFilePath
15 * @var string $wp_version
16 */
17 global $wp_version, $pluginFilePath;
18
19 // Early bail: WordPress 5.5+ already handles OPCache invalidation on plugin updates.
20 if (version_compare($wp_version, '5.5', '>=')) {
21 return;
22 }
23
24 $filename = isset($_SERVER['SCRIPT_FILENAME']) ? sanitize_text_field($_SERVER['SCRIPT_FILENAME']) : '';
25
26 // Ported from WordPress 5.5 wp_opcache_invalidate
27 $canInvalidate = function_exists('opcache_invalidate')
28 && (!ini_get('opcache.restrict_api') || stripos(realpath($filename), ini_get('opcache.restrict_api')) === 0);
29
30 // Early bail: OPCache not enabled, or we can't clear it.
31 if (!$canInvalidate) {
32 if (defined('WPSTG_DEBUG') && WPSTG_DEBUG) {
33 error_log('WP STAGING: Can not clear OPCache.');
34 }
35
36 return;
37 }
38
39 /*
40 * When a site has OPCache enabled, it will cache the compiled "opcode" of this PHP file and all other PHP files.
41 *
42 * It doesn't cache, however, the result returned by the functions.
43 *
44 * We leverage this to run a runtime check between the version in this PHP file and
45 * the filesystem. The only possible scenario they can be different, on a regular
46 * distributed plugin, is if the variable in PHP is opcached to a different version
47 * from what's in the filesystem.
48 *
49 * We use the "Version" from the headers of the main file of the plugin to compare.
50 */
51 $runtimeVersionDifferentFromBuildVersion = get_file_data($pluginFilePath, ['Version' => 'Version'])['Version'] !== '4.3.0';
52 $lastCheckHappenedAfterInterval = current_time('timestamp') > (int)get_site_transient('wpstg.bootstrap.opcache.lastCleared') + 5 * MINUTE_IN_SECONDS;
53
54 $shouldClearOpCache = apply_filters('wpstg.bootstrap.opcache.shouldClear', $runtimeVersionDifferentFromBuildVersion && $lastCheckHappenedAfterInterval);
55
56 if ($shouldClearOpCache) {
57 set_site_transient('wpstg.bootstrap.opcache.lastCleared', current_time('timestamp'), 1 * HOUR_IN_SECONDS);
58
59 $start = microtime(true);
60
61 clearstatcache(true);
62
63 try {
64 $it = new RecursiveDirectoryIterator(dirname($pluginFilePath));
65 } catch (Exception $e) {
66 // DirectoryIterator will throw if this plugin folder is not readable.
67 if (defined('WPSTG_DEBUG') && WPSTG_DEBUG) {
68 error_log('WPSTG failed to clear OPCache because the folder does not exist or is not readable. Exception: ' . $e->getMessage());
69 }
70
71 return;
72 }
73
74 $it = new RecursiveIteratorIterator($it);
75
76 $success = 0;
77 $failures = 0;
78
79 /** @var SplFileInfo $fileInfo */
80 foreach ($it as $fileInfo) {
81 if (
82 $fileInfo->isFile()
83 && !$fileInfo->isLink()
84 && $fileInfo->getExtension() === 'php'
85 ) {
86 if (opcache_invalidate($fileInfo->getRealPath(), false)) {
87 $success++;
88 } else {
89 $failures++;
90 }
91 }
92 }
93
94 add_action('admin_notices', function () use ($pluginFilePath, $start) {
95 echo '<div class="notice-warning notice is-dismissible">';
96 echo '<p style="font-weight: bold;">' . esc_html__('WP STAGING OPCache', 'wp-staging') . '</p>';
97 echo '<p>' . wp_kses_post(
98 sprintf(
99 __('WP STAGING detected that the OPCache was outdated and automatically cleared the OPCache for the <strong>%s</strong> folder to prevent issues. This operation took %s seconds.', 'wp-staging'),
100 plugin_basename($pluginFilePath),
101 number_format(microtime(true) - $start, 4)
102 )
103 ) . '</p>';
104 echo '</div>';
105 });
106
107 if (defined('WPSTG_DEBUG') && WPSTG_DEBUG) {
108 error_log(sprintf('%s files were cleared from OPCache in %s seconds', $success, microtime(true) - $start));
109 if (!empty($failures)) {
110 error_log(sprintf('WP STAGING could not clear %s files from the OpCache cache upon activation. There may be inconsistencies.', $failures));
111 }
112 }
113 }
114