<?php
    if (isset($_POST['submit']))
    {
        $send_to  = $_POST['number'];
        $message = $_POST['message'];
        echo $message;
        $url ="http://assssdewweas.com/Send.aspx?userid=xxxxxx&password=xxxxxx&clientid=3589&senderid=asdodas&asdr=91send_to&smsmessage=$message";
        $url = str_replace("n","%0A",$url);
        $url = str_replace(' ','+',$url);
        echo $url;
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
        $curl_scraped_page = curl_exec($ch);
        curl_close($ch);
        echo $curl_scraped_page;
    }
?>

hhttp://assssdewweas.com/Send.aspx?userid=xxxxxx&password=xxxxxx&clientid=3589&senderid=asdodas&asdr=91send_to&smsmessage=$message