Get all values from specific key in a multidimensional array, similar to array_columns

array-value-recursive.php

<?php

/**
 * Get all values from specific key in a multidimensional array
 *
 * @param string $key key(s) of value you wish to extract
 * @param array  $arr where you want
 *
 * @return null|string|array
 */
function array_value_recursive($key, array $arr)
{
    $val = array();
    array_walk_recursive($arr, function ($v, $k) use ($key, &$val) {
        if ($k == $key) array_push($val, $v);
    });
    return count($val) > 1 ? $val : array_pop($val);
}