PHP based high resolution image combiner

gistfile1.aw

<?php

$oldpath = "./in/";
$newpath = "./out/";

$dir_iterator = new RecursiveDirectoryIterator($oldpath);
$iterator = new RecursiveIteratorIterator($dir_iterator, RecursiveIteratorIterator::SELF_FIRST);

$files_all = $files_copied = $files_replaced = 0;

foreach ($iterator as $file) {
	if ($file->isFile()) {
        
		$size = $file->getSize();
		$newfile = strtolower($file->getFilename());

		if (file_exists($newpath.$newfile) && filesize($newpath.$newfile) < $size){
			if (!copy($file->getPathname(), $newpath.$newfile)) {
				echo "failed to copy...\n";
			} else {
				echo "found larger file and copied...".$file->getPathname()."\n";
				$files_replaced++;
			}
		} else {
			if (!copy($file->getPathname(), $newpath.$newfile)) {
				echo "failed to copy...\n";
			} else {
				echo "file copied...".$file->getPathname()."\n";
				$files_copied++;
			}
		}
	}
	$files_all++;
}

echo "---------- ALL DONE -------------------\n";
echo "All files = $files_all \n";
echo "Copied files = $files_copied \n";
echo "Replaced files = $files_replaced \n";
echo "---------------------------------------\n";

?>