xPDOCacheManager.lockFile

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xPDOCacheManager::lockFile¶

Locks a cache file for writing so that concurrent requests do not overwrite it. Locking is used by the cache providers to make writes atomic.

boolean lockFile (string $file, [array $options = array()])

if ($cacheManager->lockFile($path)) {
    // write to the file
    $cacheManager->unlockFile($path);
}