Get php files in dir with recursive lambda callback function

get_php_files_in_dir.php

<?php

/**
 *
 * @param string $dir
 * @return array 
 */
function get_php_files_in_dir($dir)
{
	$bin = array ();
	$run = function(&$run, $dir, &$bin) {
		if ($handle = opendir($dir)) {
			while (false !== ($file = readdir($handle))) {
				if ($file != "." && $file != "..") {
					if (strpos($file, '.php') > 0) {
						$bin[] = $dir . '/' . $file;
					} elseif (is_dir($dir . '/' . $file)) {
						$run($run, $dir . '/' . $file, $bin);
					}
				}
			}
		}
		closedir($handle);
	};
	$run($run, $dir, $bin);
	return $bin;
}
?>