用PHP实现简单的用户代理（移动和智能手机）检测和重定向

Posted 2021-02-25

Though an old post, this is my solution that's been pieced together from various comments on the article linked above.

<?php
 
function is_mobile(){
 
	// returns true if one of the specified mobile browsers is detected
 
	$regex_match="/(nokia|iphone|android|motorola|^mot-|softbank|foma|docomo|kddi|up.browser|up.link|";
	$regex_match.="htc|dopod|blazer|netfront|helio|hosin|huawei|novarra|CoolPad|webos|techfaith|palmsource|";
	$regex_match.="blackberry|alcatel|amoi|ktouch|nexian|samsung|^sam-|s[cg]h|^lge|ericsson|philips|sagem|wellcom|bunjalloo|maui|";	
	$regex_match.="symbian|smartphone|midp|wap|phone|windows ce|iemobile|^spice|^bird|^zte-|longcos|pantech|gionee|^sie-|portalmmm|";
	$regex_match.="jigs browser|hiptop|^ucweb|^benq|haier|^lct|operas*mobi|opera*mini|320x320|240x320|176x220";
	$regex_match.=")/i";		
	return isset($_SERVER['HTTP_X_WAP_PROFILE']) or isset($_SERVER['HTTP_PROFILE']) or preg_match($regex_match, strtolower($_SERVER['HTTP_USER_AGENT']));
}
 
/*
allow the user a way to force either the full or mobile versions of the site - use a GET parameter on requests:
 
include links to both versions of the site w/ the special force mode parameters, 'mobile' and 'full':
 
<a href="http://www.example.org/?mobile">View Mobile Site</a>
<a href="http://www.example.org/?full">View Full Site</a>
 
Always check for 'mobile' or 'full' parameters before accounting for any User-Agent conditions:
*/
 
if ($_GET['mobile']) {
 $is_mobile = true;
}
 
if ($_GET['full']) {
 $is_mobile = false;
}
if($is_mobile) {
	//it's a mobile browser, do something
	header("Location: http://www.yoursite.com/mobile");
} else {
	//it's not a mobile browser, do something else
	header("Location: http://www.yoursite.com/desktop");
	// or instead of a redirect, simply build html below
 
 
}
 
?>