AMI alert event only for some extensions and events

#!/usr/bin/php
<?php
require("setting.php");

$socket = fsockopen($host,"5038", $errno, $errstr,10);
      if (!$socket){
        echo "$errstr ($errno)\n";
        }else{
            fputs($socket, "Action: Login\r\n");
            fputs($socket, "UserName: $username\r\n");
            fputs($socket, "Secret: $secret\r\n\r\n");
            fputs($socket, "Action: WaitEvent\r\n");
            fputs($socket, "Action: Logoff\r\n\r\n");

   while(!feof($socket)){

  $result=fread($socket,5000);
  $result.=date("Y-m-d H:i:s");

$events=array("HangupRequest","MusicOnHoldStart","MusicOnHoldStop");


foreach($events as $value) {

if (preg_match("/\b$value\b/i", $result, $match)){


if (preg_match("/\bHangupRequest\b/i", $result, $match)){

$elements=explode("\n",$result);

foreach($elements as $key=>$value) {
echo "$key $value\n";
$message="You have  missed call from number $elements[5]\n to extension $elements[7] at $elements[17]";
}

$num=explode(" ",$elements[5]);
$extensions=array(1001,100,1005);

if(in_array($num[1],$extensions)){

mail("ambiorixg12@gmail.com","  You have a missed call from $num[1]",$message);
}


}

}

continue;


}

}

}

fclose($socket);

?>

PHP setting file

<?php
$host="127.0.0.1";
$username="admin";
$secret="11336";
?>
nohup /usr/bin/php /var/www/monitor/alert.php &

root@asterisk-dominicana:/var/www/monitor# ps aux | grep -i aler | grep -v grep
root     28755  0.0  2.4 259320 12052 pts/0    S    00:05   0:00 /usr/bin/php /var/www/monitor/alert.php