Retry Requests CCXT (PHP)

RetryCCXT.php

class RetryCCXT { 
	public $ex;

	public function __construct($ex) {
		$this->ex = $ex;
	}

	public function __call($function, $params) {
		try {
			return call_user_func_array([$this->ex, "$function"], $params);
		} catch (\ccxt\RequestTimeout $e){
			C::log("Request timeout.. retrying.. ");
			sleep(5);
			return $this->__call($function, $params);
		} catch (\ccxt\ExchangeNotAvailable $e) {
			C::log("Exchange unavailable.. retrying.. ");
			sleep(5);
			return $this->__call($function, $params);
		}

		//you can add more error blocks here.. 
		//TODO: Implement maxTries and retryBackoff functions
	}

}

//How to

$ex = new \ccxt\bitmex();

$exObj = new RetryCCXT($ex);

var_dump($exObj->fetch_ticker("BTC/USD"));