workaround for object to array cast in PHP <7.2.0

objectToArray.php

<?php
    // workaround for object to array cast in PHP <7.2.0
    // https://wiki.php.net/rfc/convert_numeric_keys_in_object_array_casts
    // https://3v4l.org/05SPE
    private function objectToArray($object)
    {
        if (PHP_VERSION_ID < 70200) {
            // work around PHP bug https://3v4l.org/05SPE
            // https://wiki.php.net/rfc/convert_numeric_keys_in_object_array_casts
            if (is_object($object)) {
                $array = [];
                foreach(get_object_vars($object) as $k => $v) {
                    $array[$k] = $v;
                }
                return $array;
            }
        }
        return (array) $object;
    }