Recursively search an array and return the values for a given key.

recursiveArraySearch.php

<?php

/**
     * @param       $needle
     * @param       $haystack
     *
     * @return array
     */
    public function recursiveArraySearch($needle, $haystack)
    {
        foreach ($haystack as $key => $value) {
            if ($key === $needle) {
                return $value;
            } elseif (is_array($value)) {
                $result = $this->recursiveArraySearch($needle, $value);
                
                if ($result !== false){
                    return $result;
                }
            }
        }

        return false;
    }