Asterisk - Click2Spy One click to spy an agent using a PHP script

Click2Spy.php

<?php

 $from = $_GET[from];
 $to = $_GET[to];

 $socket = fsockopen("localhost","5038", $errno, $errstr, $timeout);
 fputs($socket, "Action: Login\r\n");
 fputs($socket, "UserName: USERNAME\r\n");
 fputs($socket, "Secret: PASSWORD\r\n\r\n");
 $wrets=fgets($socket,128);

 fputs($socket, "Action: Originate\r\n" );
 fputs($socket, "Channel: SIP/".$from."\r\n" );
 fputs($socket, "Application: ChanSpy\r\n" );
 fputs($socket, "Data: SIP/".$to."\r\n\r\n" );

 $wrets=fgets($socket,128);
 sleep(3);