<?php
$selected = "DEVICE_PC";
$relocations = array(
    "DEVICE_IPHONE" => "http://domen.az/iphone.php",
    "DEVICE_IPAD" => "http://domen.az/ipad.php",
    "DEVICE_ANDROID" => "http://domen.az/android.php",
    "DEVICE_OTHER" => "http://domen.az/other.php",
    "DEVICE_PC" =>"http://domen.az/pc.php"
    );
$relocation_keywords = array(
    "DEVICE_IPHONE" => "\x69\x70\x68\x6f\x6e\x65",
    "DEVICE_IPAD" => "\x69\x70\x61\x64",
    "DEVICE_ANDROID" =>"\x61\x6e\x64\x72\x6f\x69\x64",
    "DEVICE_OTHER" =>"\x6d\x6f\x62\x69\x6c\x65"
    );
$agent = $_SERVER['HTTP_USER_AGENT'];
foreach ($relocation_keywords as $key => $value) {
    if(preg_match("/$value/i", $agent)!=0)
        $selected = $key;
}
$redirect = $relocations[$selected];
header( "Location: $redirect" ) ;
?>