Native helpers

php-helpers.php

<?php

if (!function_exists('array_get')) {
    /**
     * Get value from array by key
     *
     * @param array $array
     * @param string $key
     * @param mixed $default
     * @return mixed
     * @example
     *  $array = [
     *      'contact' => ['Name' => 'Alex']
     *  ];
     *
     *  echo array_get($array, 'contact.name'); // Alex
     *  echo array_get($array, 'contact.fullname', 'Anonymous'); // Anonymous
     */
    function array_get($array, $key, $default = null)
    {
        if (!is_array($array)) {
            return $default;
        }

        if (is_null($key)) {
            return $array;
        }

        if (isset($array[$key])) {
            return $array[$key];
        }

        if (strpos($key, '.') === false) {
            return $default;
        }

        $segments = explode('.', $key);
        $searchKey = null;

        foreach ($segments as $i => $segment) {

            if ($i == 0) {
                $searchKey = $segment;
            } else {
                $searchKey = $searchKey . '.' . $segment;
            }

            if (isset($array[$segment])) {

                if ($searchKey == $key) {
                    return $array[$segment];
                }

                $newKey = str_replace($searchKey . '.', '', $key);

                return array_get($array[$segment], $newKey, $default);
            }

        }

        return $array;
    }
}