PHP to judge the phone access or computer access sample sharing _php instance

Copy Code code as follows:

<?php
function IsMobile () {
$useragent =isset ($_server[' http_user_agent '])? $_server[' http_user_agent ']: ';
$useragent _commentsblock=preg_match (' |\ (. *?\) | ', $useragent, $matches) >0? $matches [0]: ';
function Checksubstrs ($substrs, $text) {
foreach ($substrs as $substr)
if (False!==strpos ($text, $substr)) {
return true;
}
return false;
}
$mobile _os_list=array (' Google Wireless transcoder ', ' Windows CE ', ' WindowsCE ', ' Symbian ', ' Android ', ' armv6l ', ' armv5 ', ' Mobile ', ' CentOS ', ' mowser ', ' AvantGo ', ' Opera mobi ', ' J2ME/MIDP ', ' Smartphone ', ' go.web ', ' Palm ', ' IPAQ ';
$mobile _token_list=array (' PROFILE/MIDP ', ' configuration/cldc-', ' 160x160 ', ' 176x220 ', ' 240x240 ', ' 240x320 ', ' 320x The ', ' up. Browser ', ' up. Link ', ' SymbianOS ', ' PalmOS ', ' PocketPC ', ' SonyEricsson ', ' Nokia ', ' BlackBerry ', ' Vodafone ', ' BenQ ', ' novarra-vision ', ' Iris ', ' NetFront ', ' htc_ ', ' Xda_ ', ' samsung-sgh ', ' Wapaka ', ' DoCoMo ', ' iPhone ', ' iPod ';

$found _mobile=checksubstrs ($mobile _os_list, $useragent _commentsblock) | |
Checksubstrs ($mobile _token_list, $useragent);

if ($found _mobile) {
return true;
}else{
return false;
}
}
if (IsMobile ())
echo ' Mobile login m.jb51.com ';
Else
echo ' Computer login www.jb51.com ';
?>