php检测是否是移动设备的浏览器

这段代码可以检测用户是否使用移动设备浏览网页，检验非常完整

2. $mobile_browser = '0';
4. if(preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone)/i',
5. strtolower($_SERVER['HTTP_USER_AGENT']))){
6. $mobile_browser++;
7. }
9. if((strpos(strtolower($_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml')>0) or
10. ((isset($_SERVER['HTTP_X_WAP_PROFILE']) or isset($_SERVER['HTTP_PROFILE'])))){
11. $mobile_browser++;
12. }
14. $mobile_ua = strtolower(substr($_SERVER['HTTP_USER_AGENT'],0,4));
15. $mobile_agents = array(
16. 'w3c ','acs-','alav','alca','amoi','audi','avan','benq','bird','blac',
17. 'blaz','brew','cell','cldc','cmd-','dang','doco','eric','hipt','inno',
18. 'ipaq','java','jigs','kddi','keji','leno','lg-c','lg-d','lg-g','lge-',
19. 'maui','maxo','midp','mits','mmef','mobi','mot-','moto','mwbp','nec-',
20. 'newt','noki','oper','palm','pana','pant','phil','play','port','prox',
21. 'qwap','sage','sams','sany','sch-','sec-','send','seri','sgh-','shar',
22. 'sie-','siem','smal','smar','sony','sph-','symb','t-mo','teli','tim-',
23. 'tosh','tsm-','upg1','upsi','vk-v','voda','wap-','wapa','wapi','wapp',
24. 'wapr','webc','winw','winw','xda','xda-');
26. if(in_array($mobile_ua,$mobile_agents)){
27. $mobile_browser++;
28. }
29. if (strpos(strtolower($_SERVER['ALL_HTTP']),'OperaMini')>0) {
30. $mobile_browser++;
31. }
32. if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']),'windows')>0) {
33. $mobile_browser=0;
34. }
37. if($mobile_browser>0){
38. // do something
39. } else {
40. // do something else
41. }
44. ?>

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