Brendan Murty - Mobile device detection

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5 Nov 2012

If you need to customise the output of a webpage before the browser gets to it, you can use PHP to do so. Check out my minimal is_mobile function:

<?
// is_mobile - Check if this device is a mobile
function is_mobile(){
	$mobiles = array("mobile","android","blackberry","iemobile","kindle","midp","opera m","palm","wap","xda","symbian","windows ce","windows phone");
	$agent = strtolower($_SERVER['HTTP_USER_AGENT']);
	$i = 0;
	foreach($mobiles as $mobile){
		if(strpos($agent,$mobile)!==false){ $i++; }
	}
	return (($i >= 1) ? true:false);
}
?>