Online PHP editor | output for VQAE4

<?php echo getcwd();exit; function dirToArray1($dir) { $result = array(); $cdir = scandir($dir); foreach ($cdir as $key => $value) { if (!in_array($value,array(".",".."))) { if (is_dir($dir . DIRECTORY_SEPARATOR . $value)){ $result[$value] = dirToArray1($dir . DIRECTORY_SEPARATOR . $value); } else { $result[] = $value; } } } return $result; } function dirToArray2($dir) { $arr = []; $obj = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir), RecursiveIteratorIterator::CHILD_FIRST); foreach ($obj as $info) { if (in_array($info->getFilename(), ['.', '..'])) continue; $path = $info->isDir() ? [$info->getFilename() => []] : [$info->getFilename()]; for ($depth = $obj->getDepth() - 1; $depth >= 0; $depth--) { $path = [$obj->getSubIterator($depth)->current()->getFilename() => $path]; } $arr = array_merge_recursive($arr, $path); } return $arr; } foreach (['1', '2'] as $k) { $t = "t$k"; $d = "d$k"; $$t = microtime(true); $func = "dirToArray$k"; $$d = $func("/tmp"); $$t = $$t - microtime(true); echo "$func needed $$t time\n"; }