redirect.php

<?php

	//a simple script to check user agents to detemine device type and or redirect
	//==============================================

	//get userangent string
	$userAgentraw = $_SERVER['HTTP_USER_AGENT'];
	//convert to lowercase to make search strings simplier
	$userAgent = strtolower ( $userAgentraw );

	//check string for key words
	$ipad    = strpos($userAgent, "ipad");
	$android = strpos($userAgent, "android");
	$msie10  = strpos($userAgent, "msie 10");
	$msie8  = strpos($userAgent, "msie 8");
	$touch   = strpos($userAgent, "touch");
	$mobile  = strpos($userAgent, "mobile");

	//double check windows tablet
	if($msie10 == true && $touch == true){ 
		$winTablet = true;
	}else{ 
		$winTablet = false; 
	}

	//set urls for mobile & tablet
	$tabeltURL = "t.siteurl.com";
	$mobileURL = "m.siteurl.com";

	//logic to determine device type
	if ($mobile == true && $ipad == false) {
		$deviceType = "mobile";
		//header("location: $mobileURL");
	} elseif ($ipad == true || $android == true || $winTablet == true){
		$deviceType = "tablet";
		//header("location: $tabeltURL");
	}elseif ($msie8 == true){
		$deviceType = "ie8";
	}else{
		$deviceType = "desktop";
	}

?>