i ve tried this
$params = array ( 'U' => 'the username', 'P' => 'the password', 'A' => 'WEB2SMS', 'L' => 'EL' ); $query = http_build_query ($params); // Create Http context details $contextData = array ( 'method' => 'POST', 'header' => "Connection: close\r\n". "Content-Length: ".strlen($query)."\r\n", 'content'=> $query ); // Create context resource for our request $context = stream_context_create (array ( 'http' => $contextData )); // Read page rendered as result of your POST request $result = file_get_contents ( 'http://web2sms.cosmote.gr/web2sms/DCM', // page url false, $context);