Retry any function in php

retry.php

<?php
if (!function_exists('retry')) {
    /**
     * Retries callable
     *
     * Could be specified how many times, default is 1 times.
     *
     * @param callable $what
     * @param int $retry how many time should it be retried, default is 1
     * @return mixed
     * @throws Exception
     */
    function retry(callable $what, $retry = 1)
    {
        again:
        try {
            return $what();
        } catch (\RetryableException $e) {
            if ($retry-- > 0) {
                goto again;
            }
            throw $e;
        }
    }

    /**
     * Class RetryableException
     * To be able to specify specific conditions for repeating
     */
    class RetryableException extends \Exception{}
}