PHP implementation determines client type

This article mainly introduces the method of PHP to determine whether the client is a PC or a mobile phone, which can be used by the website for statistics. Friends who need to know more can refer to it.

When collecting website user data statistics, we often need to obtain the user's browser type and operating system type. This article mainly introduces how to determine the client type based on PHP. Friends who need it can come and find out.

Method one:

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/**
 * 
 * 根据php的$_SERVER['HTTP_USER_AGENT'] 中各种浏览器访问时所包含各个浏览器特定的字符串来判断是属于PC还是移动端
 * @author      discuz3x
 * @lastmodify  2014-04-09
 * @return BOOL
 */
function checkmobile() {
 global $_G;
 $mobile = array();
//各个触控浏览器中$_SERVER['HTTP_USER_AGENT']所包含的字符串数组
 static $touchbrowser_list =array('iphone', 'android', 'phone', 'mobile', 'wap', 'netfront', 'java', 'opera mobi', 'opera mini',
  'ucweb', 'windows ce', 'symbian', 'series', 'webos', 'sony', 'blackberry', 'dopod', 'nokia', 'samsung',
  'palmsource', 'xda', 'pieplus', 'meizu', 'midp', 'cldc', 'motorola', 'foma', 'docomo', 'up.browser',
  'up.link', 'blazer', 'helio', 'hosin', 'huawei', 'novarra', 'coolpad', 'webos', 'techfaith', 'palmsource',
  'alcatel', 'amoi', 'ktouch', 'nexian', 'ericsson', 'philips', 'sagem', 'wellcom', 'bunjalloo', 'maui', 'smartphone',
  'iemobile', 'spice', 'bird', 'zte-', 'longcos', 'pantech', 'gionee', 'portalmmm', 'jig browser', 'hiptop',
  'benq', 'haier', '^lct', '320x320', '240x320', '176x220');
//window手机浏览器数组【猜的】
 static $mobilebrowser_list =array('windows phone');
//wap浏览器中$_SERVER['HTTP_USER_AGENT']所包含的字符串数组
 static $wmlbrowser_list = array('cect', 'compal', 'ctl', 'lg', 'nec', 'tcl', 'alcatel', 'ericsson', 'bird', 'daxian', 'dbtel', 'eastcom',
  'pantech', 'dopod', 'philips', 'haier', 'konka', 'kejian', 'lenovo', 'benq', 'mot', 'soutec', 'nokia', 'sagem', 'sgh',
  'sed', 'capitel', 'panasonic', 'sonyericsson', 'sharp', 'amoi', 'panda', 'zte');
 $pad_list = array('pad', 'gt-p1000');
 $useragent = strtolower($_SERVER['HTTP_USER_AGENT']);
 if(dstrpos($useragent, $pad_list)) {
 return false;
 }
 if(($v = dstrpos($useragent, $mobilebrowser_list, true))){
 $_G['mobile'] = $v;
 return '1';
 }
 if(($v = dstrpos($useragent, $touchbrowser_list, true))){
 $_G['mobile'] = $v;
 return '2';
 }
 if(($v = dstrpos($useragent, $wmlbrowser_list))) {
 $_G['mobile'] = $v;
 return '3'; //wml版
 }
 $brower = array('mozilla', 'chrome', 'safari', 'opera', 'm3gate', 'winwap', 'openwave', 'myop');
 if(dstrpos($useragent, $brower)) return false;
 $_G['mobile'] = 'unknown';
//对于未知类型的浏览器，通过$_GET['mobile']参数来决定是否是手机浏览器
 if(isset($_G['mobiletpl'][$_GET['mobile']])) {
 return true;
 } else {
 return false;
 }
}
/**
 * 判断$arr中元素字符串是否有出现在$string中
 * @param $string   $_SERVER['HTTP_USER_AGENT'] 
 * @param $arr     各中浏览器$_SERVER['HTTP_USER_AGENT']中必定会包含的字符串
 * @param $returnvalue 返回浏览器名称还是返回布尔值，true为返回浏览器名称，false为返回布尔值【默认】
 * @author      discuz3x
 * @lastmodify  2014-04-09
 */
function dstrpos($string, $arr, $returnvalue = false) {
 if(empty($string)) return false;
 foreach((array)$arr as $v) {
 if(strpos($string, $v) !== false) {
  $return = $returnvalue ? $v : true;
  return $return;
 }
 }
 return false;
}

/**
 * 判断是否手机访问
 */
function is_mobile()
{
  static $is_mobile;
  if (isset($is_mobile)) return $is_mobile;
  if (empty($_SERVER['HTTP_USER_AGENT'])) {
    $is_mobile = false;
  } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Mobile') !== false // many mobile devices (all iPhone, iPad, etc.)
    || strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false
    || strpos($_SERVER['HTTP_USER_AGENT'], 'Silk/') !== false
    || strpos($_SERVER['HTTP_USER_AGENT'], 'Kindle') !== false
    || strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') !== false
    || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mini') !== false
    || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mobi') !== false
  ) {
    $is_mobile = true;
  } else {
    $is_mobile = false;
  }
  return $is_mobile;
}

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