<?php function rsearch($folder, $pattern) { $dir = new RecursiveDirectoryIterator($folder); $ite = new RecursiveIteratorIterator($dir); $files = new RegexIterator($ite, $pattern, RegexIterator::GET_MATCH); $fileList = array(); foreach($files as $file) { $fileList = array_merge($fileList, $file); } return $fileList; } foreach (rsearch(getcwd(),'/.*\/.*PHPMakefile$/') as &$value) { ob_start(); include $value; file_put_contents(preg_replace("/PHPMakefile$/",'Makefile', $value), ob_get_clean()); }