<?php 
    $username = 'USERNAME';
    $password = 'PASSWORD';
        
    $content =  '?user='.rawurlencode($username).
                '&password='.rawurlencode($password);
    
    $smsglobal_response = file_get_contents('http://www.smsglobal.com.au/balance-api.php'.$content);
    
    //Sample Response
    //BALANCE: 100; USER: username 
    
    //SMSGlobal Response
    echo $smsglobal_response;    
?>