phpcms determines whether it is a mobile phone

Sometimes we may need to determine the user's terminal type and return different page effects. For example, mobile phones and computers return different url pages. So how does phpcms judge? Let’s learn it together!

phpcms determines whether it is a mobile phone

Create an isMobile() method to determine whether the user is accessing from a mobile phone .

/**
 * Function isMobile
  * @param $n 判断手机版
 */
 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-','160×160','176×220','240×240','240×320','320×240','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;  
 	}  
 }

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