携帯かどうか調べる

<?php

$user_agent= explode( "/", $_SERVER['HTTP_USER_AGENT']);

$TANMATSU=$user_agent[0];

if($TANMATSU=="DoCoMo"){$URL="indexk.php";}

elseif($TANMATSU=="L-mode"){$URL="indexk.php";}

elseif($TANMATSU=="ASTEL"){$URL="indexk.php";}

elseif($TANMATSU=="UP.Browser"){$URL="indexk.php";}

elseif($TANMATSU=="PDXGW"){$URL="indexk.php";}

elseif($TANMATSU=="J-PHONE"){$URL="indexk.php";}

elseif(preg_match("/^KDDI/",$TANMATSU)){$URL="indexk.php";}

else{$URL="demo.html";}

header("Location: ".$URL);

?>