$user = '';
$pass = '';
$db_name = '';
-$core = mysqli_connect($host,$user,$pass,$db_name) or die("Error " . mysqli_error($core));
+$petition = mysqli_connect($host,$user,$pass,$db_name) or die("Error " . mysqli_error($petition));
global $twillo_account;
global $twillo_key;
$twillo_key = '';