Probleme withdraw blockchain api PHP

Hello all

I have big probléme with withdraw systeme, for déposit its ok i use this https://blockchain.info/fr/api/blockchain_wallet_api
i'am new in blockchain

Code:

	$montant = $_POST['wiSold'];
		$addr = $_POST['wiAddr'];

		// BTC TO SATOSHI
		$amount = ($montant * 100000000);
		
		// BLOCKCHAIN LOGIN
		$guid = "xxxxx";
		$main_password = "xxxx";
		
		// TO
		$address = $addr;
		$note = "Withdraw";
		$shared = "false";
		
		// SUBMIT
		$op = "https://blockchain.info/fr/merchant/$guid/payment?password=$main_password&to=$address&amount=$amount&shared=$shared";
		
		$op= file_get_contents($op);
		$op = json_decode($op);
	
		// OK
		if(empty($op->error))
		{
			$re = mysql_query("SELECT * FROM account WHERE id_account='".$id_playerSession."' ORDER BY id ASC LIMIT 1");
			$do = mysql_fetch_array($re);
			
			$sold_last = $do['sold'];
			$sold_new = $sold_last - $montant;
			$type = "withdraw";
			$id_type = "";
			$gain = "-".$montant;
			$info = $op->tx_hash;
			
			newTransaction(newHashMd5(), $id_playerSession, $sold_last, $sold_new, $type, $id_type, $gain, $info);
	
			// MESSAGE
			$messageTxt = "ID: <a href='https://blockchain.info/address/".$op->tx_hash."' target='_blank'>".$op->tx_hash."</a> | ".$op->message;
			$messageColor = $messageColorGreen;

			// SON
			$loadSound = "buy";
		}
		else // ERROR
		{
			// MESSAGE
			$messageTxt = "Error: ".$op->error;
			$messageColor = $messageColorRed;

			// SON
			$loadSound = "error";
		}

But the btc no comme to my wallet Huh

Its probleme with blockchain or in my code
Thanks you