Codesnipit BTC Depsoti

<?php
$id = "";
$pw = "";
$url = "https://blockchain.info/merchant/$id/new_adress/password=$pw$label=$username"];
$json = json_decode(file_get_contents($url), true);
$addy = $json["address"];
$qrcode = "https://chart.googleapis.com/chart?chs=250x250&cht=qr&chl=$addy";

//Deposit Ends here
$urlbalance = "https://blockchain.info/merchant/$id/address_balance?password=$pw&address=$getaddress";
$json = json_decode(file_get_contents($url), true);
$recivedstatoshi = $json["balance"];

$deposit = intval($recivedstatoshi) / 100, 8);
 $db->query("UPDATE users SET balance=balance+depsosit WHERE username='$user'");


?>