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<?php |
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/** |
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* Cron-related tasks for Surge. |
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* |
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* @package Surge |
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*/ |
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|
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namespace Surge; |
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|
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include_once( __DIR__ . '/common.php' ); |
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|
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// Runs in a CLI/Cron context, deletes expired cache entries. |
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add_action( 'surge_delete_expired', function() { |
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$cache_dir = CACHE_DIR; |
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$start = microtime( true ); |
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$files = []; |
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$deleted = 0; |
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$time = time(); |
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|
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$levels = scandir( $cache_dir ); |
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foreach ( $levels as $level ) { |
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if ( $level == '.' || $level == '..' ) { |
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continue; |
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} |
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|
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if ( $level == 'flags.json.php' ) { |
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continue; |
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} |
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|
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if ( ! is_dir( "{$cache_dir}/{$level}" ) ) { |
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continue; |
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} |
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|
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$items = scandir( "{$cache_dir}/{$level}" ); |
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foreach ( $items as $item ) { |
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if ( $item == '.' || $item == '..' ) { |
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continue; |
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} |
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|
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if ( substr( $item, -4 ) != '.php' ) { |
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continue; |
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} |
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|
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$files[] = "{$cache_dir}/{$level}/{$item}"; |
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} |
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} |
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|
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foreach ( $files as $filename ) { |
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$stat = stat( $filename ); |
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|
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// Skip files modified in the last minute. |
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if ( $stat['mtime'] + MINUTE_IN_SECONDS > $time ) { |
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continue; |
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} |
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|
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// Empty file. |
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if ( $stat['size'] < 1 ) { |
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unlink( $filename ); |
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$deleted++; |
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continue; |
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} |
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|
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$f = fopen( $filename, 'rb' ); |
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$meta = read_metadata( $f ); |
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fclose( $f ); |
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|
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// This cache entry is still valid. |
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if ( $meta && ! empty( $meta['expires'] ) && $meta['expires'] > $time ) { |
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continue; |
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} |
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|
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// Delete the cache entry |
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unlink( $filename ); |
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$deleted++; |
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} |
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|
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$end = microtime( true ); |
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$elapsed = $end - $start; |
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|
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if ( defined( 'WP_CLI' ) && WP_CLI && class_exists( '\WP_CLI' ) ) { |
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\WP_CLI::success( sprintf( 'Deleted %d/%d files in %.4f seconds', |
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$deleted, count( $files ), $elapsed ) ); |
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} |
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} ); |
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|
