<?php

function smartChmod($path, $chmod = null) {
	if (file_exists($path)) {
		if (is_null($chmod)) {
			$chmod = is_file($path) ? 644 : 755;

			if (in_array(get_current_user(), explode('|', 'apache|httpd|nobody|system|webdaemon|www|www-data'))) {
				$chmod += 22;
			}
		}

		return chmod($path, octdec(intval($chmod)));
	}

	return false;
}

?>