PHP: Process Each File in Directory

PHP Code

function processEachFileIn($path, callable $callback) {
    $objects = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($path), RecursiveIteratorIterator::SELF_FIRST);
    foreach ($objects as $object) {
        if (!$object->isDir() && $object->getFilename() != '.' && $object->getFilename() != '..') {
            $callback($object);
        }
    }
}

Example Usage

The below code demonstrates print all file names in directory /tmp recursively.

processEachFileIn('/tmp', function($file){
   echo $file->getFilename()."\n";
});