path.php

<?php

if (!function_exists('path')) {
    /**
     * Get the path to the app folder.
     *
     * @param null|string $path
     * @param string      ...$argv
     *
     * @return string
     */
    function path(string $path = null, string ...$argv): string
    {
        return __DIR__ . (
            $path ? (
                DIRECTORY_SEPARATOR . $path . (
                    $argv ? (
                        DIRECTORY_SEPARATOR . implode(DIRECTORY_SEPARATOR, $argv)
                    ) : ''
                )
            ) : ''
        );
    }
}