Access multidimensional array by string with delimiter

Question

suppose i have a multidimensional array like something like this:

 array(\"test2\" => array(\"test3\" => 1)), .         


        

Answer 1

You could use

function get_multi($arr, $str) {
    foreach (explode('.', $str) as $key) {
        if (!array_key_exists($key, $arr)) {
            return NULL; 
        }
        $arr = $arr[$key];
    }

    return $arr;
}