Total Commander open siblings directory

gistfile1.txt

<?php

$directory = $argv[1] ?? '';
$direction = $argv[2] ?? '';

if (!$directory || !in_array($direction, ['prev', 'next'])) {
	exit('Invalid parameters');
}

$directory = rtrim($directory, DIRECTORY_SEPARATOR);
$parent_directory = dirname($directory);
$parent_directory_items = scandir($parent_directory);

$directories = [];
foreach ($parent_directory_items as $item) {
	if ($item != '.' && $item != '..' && is_dir($parent_directory . DIRECTORY_SEPARATOR . $item)) {
		$directories[] = $parent_directory . DIRECTORY_SEPARATOR . $item;
	}
}

$directory_index = array_search($directory, $directories);
$sibling_directory_index = ($direction == 'next') ? $directory_index + 1 : $directory_index - 1;
$sibling_directory = isset($directories[$sibling_directory_index]) ? $directories[$sibling_directory_index] : '';

if ($sibling_directory) {
	exec('"D:\Programs\System\Total Commander\TOTALCMD64.EXE" "' . $sibling_directory . '" /O /S');
}