(PHP) How to determine the current user terminal is the mobile phone and other devices

Recommended:

mobile-detect: https://github.com/serbanghita/Mobile-Detect/blob/master/Mobile_Detect.php

Detect Mobile Browser: http://detectmobilebrowsers.com/

Other methods (concrete effects to be practiced):

/** * * Based on the various browser-specific strings included in PHP $_server[' http_user_agent ') to determine whether they belong to a PC or a mobile * @author discuz3x * @lastmodify 2014-04-09 * @return BOOL */function checkmobile () {global $_g; $mobile = Array ();//$_server[' Http_user_agen in each touch browser T '] contains a string array of static $touchbrowser _list =array (' iphone ', ' Android ', ' phone ', ' mobile ', ' wap ', ' NetFront ', ' Java ', ' opera m Obi ', ' Opera Mini ', ' UCWeb ', ' Windows CE ', ' Symbian ', ' series ', ' webOS ', ' Sony ', ' BlackBerry ', ' dopod ', ' Nokia ', ' SAMSU  Ng ', ' palmsource ', ' xda ', ' pieplus ', ' Meizu ', ' MIDP ', ' CLDC ', ' Motorola ', ' Foma ', ' DoCoMo ', ' up.browser ', ' Up.link ', ' Blazer ', ' helio ', ' hosin ', ' Huawei ', ' Novarra ', ' Coolpad ', ' webOS ', ' techfaith ', ' palmsource ', ' Alcatel ', ' Amoi ', ' kt Ouch ', ' Nexian ', ' Ericsson ', ' Philips ', ' Sagem ', ' wellcom ', ' Bunjalloo ', ' Maui ', ' smartphone ', ' iemobile ', ' spice ', ' Bi Rd ', ' zte-', ' longcos ', ' Pantech ', ' Gionee ', ' portalmmm ', ' Jig browser ', ' hiptop ', ' BenQ ', ' Haier ', ' ^lct ', ' 320x320 ', ' 240x320 ', ' 176x220 ');//wIndow Mobile Browser Array "guessed" Static $mobilebrowser _list =array (' Windows Phone '),//wap the string array contained in the $_server[' Http_user_agent ' in the browser static $wmlbrowser _list = Array (' Cect ', ' compal ', ' ctl ', ' LG ', ' nec ', ' tcl ', ' Alcatel ', ' Ericsson ', ' bird ', ' Daxian ', ' DBT ' El ', ' 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[' mob  Ile '] = $v; Return ' 1 ';  } if ($v = Dstrpos ($useragent, $touchbrowser _list, True)) {$_g[' mobile '] = $v; Return ' 2 ';  } if ($v = Dstrpos ($useragent, $wmlbrowser _list))) {$_g[' mobile '] = $v; Return ' 3 '; WML Edition} $brower = Array (' Mozilla ', ' Chrome ', ' Safari ', ' opera ', ' m3gate ', ' winwap ', ' Openwave ', ' myop '); if (Dstrpos ($useragENT, $brower)) return false; $_g[' mobile ' = ' unknown ';//for browsers of unknown type, use the $_get[' mobile ' parameter to determine if it is a mobile browser if (Isset ($_g[' mobiletpl '][$_get[' mobile ']) {return true;} else {return false;}} /** * Determine if the element string in $arr appears in $string * @param $string $_server[' http_user_agent '] * @param $arr browser $_server[ The string that must be contained in ' Http_user_agent '] @param $returnvalue return the browser name or return a Boolean value, true to return the browser name, False to return a Boolean value of "Default" * @author Discuz 3x * @lastmodify 2014-04-09 */function dstrpos ($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;}

<?phpfunction IsMobile () {///If there is http_x_wap_profile, it must be a mobile device if (Isset ($_server[' http_x_wap_profile ')) {    return true; }//If the VIA information contains WAP it must be a mobile device, some service associations block the information if (Isset ($_server[' Http_via ')) {//Cannot find for flase, otherwise true re Turn stristr ($_server[' Http_via '), "WAP")?    True:false; }//Brain residue method, determine the mobile phone sent by the client flag, compatibility needs to be improved if (Isset ($_server[' http_user_agent ')) {$clientkeywords = array (' Nokia '            , ' Sony ', ' Ericsson ', ' mot ', ' Samsung ', ' HTC ', ' SGH ',            ' LG ', ' sharp ', ' sie-', ' Philips ', ' Panasonic ', ' Alcatel ', ' Lenovo ', ' iphone ', ' ipod ', ' blackberry ', ' Meizu ', ' Android            OID ', ' NetFront ', ' Symbian ', ' UCWeb ', ' windowsce ', ' palm ',    ' Operamini ', ' operamobi ', ' Openwave ',        ' Nexusone ', ' cldc ', ' MIDP ', ' wap ', ' mobile '; Look for the keyword if (Preg_match ("/(") of the phone's browser from Http_user_agent. Implode (' | ', $clientkeywords).        ")/I", Strtolower ($_server[' http_user_agent '))) {return true;        }}//protocol method, because it may not be accurate, put to the Last Judgment if (Isset ($_server[' http_accept ')) {//If only WML is supported and HTML is not supported it must be a mobile device. If WML and HTML are supported but WML is before HTML the mobile device if ((Strpos ($_server[' http_accept '), ' VND.WAP.WML ')!== false) && (STRP OS ($_server[' http_accept '), ' text/html ') = = = False | |        (Strpos ($_server[' http_accept '), ' vnd.wap.wml ') < Strpos ($_server[' http_accept '], ' text/html '))))        {return true; }} return false;} ?>

 

function Is_mobile_request () {$_server[' all_http '] = isset ($_server[' all_http '])? $_server[' All_http ']: ';   $mobile _browser = ' 0 '; if (Preg_match ('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|iphone|ipad|ipod|android|xoom)/I ',   Strtolower ($_server[' http_user_agent '))) $mobile _browser++; if ((Isset ($_server[' http_accept ')) and (Strpos (Strtolower ($_server[' http_accept ')), ' application/vnd.wap.xhtml+   XML ')!== false)) $mobile _browser++;   if (Isset ($_server[' http_x_wap_profile '))) $mobile _browser++;   if (Isset ($_server[' http_profile '))) $mobile _browser++;   $mobile _ua = Strtolower (substr ($_server[' http_user_agent '],0,4)); $mobile _agents = Array (' acs-', ' Alav ', ' Alca ', ' amoi ', ' Audi ', ' Avan ', ' BenQ ', ' bird ', ' Blac ', ' Blaz ', ' brew ', ' CE ' ll ', ' cldc ', ' cmd-', ' Dang ', ' doco ', ' Eric ', ' Hipt ', ' Inno ', ' iPAQ ', ' Java ', ' Jigs ', ' kddi ', ' Keji ', ' Leno ', ' lg-c ', ' lg-d ', ' Lg-g ', ' lge-', ' Maui ', ' Maxo ', ' MIDP ', ' mits ', ' mmef ', ' mobi ', ' mot-', ' moto ', ' mwbp ', ' nec-', ' newT ', ' Noki ', ' oper ', ' palm ', ' pana ', ' Pant ', ' Phil ', ' play ', ' Port ', ' ProX ', ' qwap ', ' sage ', ' Sams ', ' Sany ', ' sch-', ' sec-', ' Send ', ' Seri ', ' sgh-', ' shar ', ' sie-', ' Siem ', ' smal ', ' Smar ', ' Sony ', ' sph-', ' symb ', ' t-mo ', ' Teli ', ' tim-', ' tosh ', ' tsm-'   , ' upg1 ', ' upsi ', ' vk-v ', ' Voda ', ' wap-', ' wapa ', ' wapi ', ' wapp ', ' wapr ', ' webc ', ' winw ', ' winw ', ' xda ', ' xda-');   if (In_array ($mobile _ua, $mobile _agents)) $mobile _browser++;   if (Strpos (Strtolower ($_server[' all_http '), ' Operamini ')!== false) $mobile _browser++; pre-final Check to reset everything if the user are on Windows if (Strpos (Strtolower ($_server[' http_user_agent ')), ' win   Dows ')!== false) $mobile _browser=0; But WP7 are also Windows, with a slightly different characteristic if (Strpos (strtolower ' $_server['),   ' Windows Phone ')!== false) $mobile _browser++;   if ($mobile _browser>0) return true; else return false;

How the

(PHP) program determines that the current user terminal is a mobile terminal such as a mobile phone