HTTP_USER_AGENT获取用户客户端信息

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$agent = $_SERVER['HTTP_USER_AGENT'];$brower = array(      'MSIE' => 1,      'Firefox' => 2,      'QQBrowser' => 3,      'QQ/' => 3,      'UCBrowser' => 4,      'MicroMessenger' => 9,      'Edge' => 5,      'Chrome' => 6,      'Opera' => 7,      'OPR' => 7,      'Safari' => 8,      'Trident/' => 1);$system = array(      'Windows' => 1,      'Macintosh'=> 2,      'Android' => 3,      'iPhone' => 4,      'iPad' => 5,      'Windows Phone' => 6);$browser_num = 0;//未知$system_num = 0;//未知foreach($brower as $bro => $val){   if(stripos($agent, $bro) !== false){      $browser_num = $val;      break;   }}foreach($system as $sys => $val){   if(stripos($agent, $sys) !== false){      $system_num = $val;      break;   }}//dump($agent);die;//echo $browser_num;die;

return array('sys' => $system_num, 'bro' => $browser_num);

$agent 在mac设备上的显示

"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.75 Safari/537.36 QQBrowser/4.1.4132.400"
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/602.4.8 (KHTML, like Gecko) Version/10.0.3 Safari/602.4.8"
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:50.0) Gecko/20100101 Firefox/50.0

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