blocks|key|883538|text|没有可靠的方法。您也许可以查看user-agent+string，但这可以被欺骗或省略。或者，您可以使用GeoIP服务来查找客户机的IP地址，但同样，这也可以很容易地绕过。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|883539|entityMap|0|LINK|mutability|MUTABLE|url|http://en.wikipedia.org/wiki/User-agent_string^0|F|H|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

There is no reliable way. You can perhaps look at the <a href="http://en.wikipedia.org/wiki/User-agent_string" rel="noreferrer">user-agent string</a>, but this can be spoofed, or omitted. Alternatively, you could use a GeoIP service to lookup the client's IP address, but again, this can be easily circumvented.

blocks|key|883596|text|我用PHP写了this+script+to+detect+a+mobile+browser。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|883597|代码根据用户代理字符串检测用户，方法是对经过数百次测试后仅在移动设备用户代理字符串中找到的单词执行preg_match()操作。它在所有当前的移动设备上都有100%25的准确率，我目前正在更新它，以支持更多的移动设备。该代码称为isMobile，如下所示：|883598|function+isMobile()+{
++++return+preg_match("/(android%7Cavantgo%7Cblackberry%7Cbolt%7Cboost%7Ccricket%7Cdocomo%7Cfone%7Chiptop%7Cmini%7Cmobi%7Cpalm%7Cphone%7Cpie%7Ctablet%7Cup\.browser%7Cup\.link%7Cwebos%7Cwos)/i",+$_SERVER["HTTP_USER_AGENT"]);
}|code-block|syntax|javascript|883599|你可以这样使用它：|883600|//+Use+the+function
if(isMobile()){
++++//+Do+something+for+only+mobile+users
}
else+{
++++//+Do+something+for+only+desktop+users
}|883601|要将用户重定向到您的移动站点，我将执行以下操作：|883602|//+Create+the+function,+so+you+can+use+it
function+isMobile()+{
++++return+preg_match("/(android%7Cavantgo%7Cblackberry%7Cbolt%7Cboost%7Ccricket%7Cdocomo%7Cfone%7Chiptop%7Cmini%7Cmobi%7Cpalm%7Cphone%7Cpie%7Ctablet%7Cup\.browser%7Cup\.link%7Cwebos%7Cwos)/i",+$_SERVER["HTTP_USER_AGENT"]);
}
//+If+the+user+is+on+a+mobile+device,+redirect+them
if(isMobile()){
++++header("Location:+http://m.yoursite.com/");
}|883603|如果你有任何问题，请告诉我，祝你好运！|883604|entityMap|0|LINK|mutability|MUTABLE|url|http://www.justindocanto.com/scripts/detect-a-user-on-a-mobile-browser-or-device^0|7|12|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@$A|13|B|14|1|15]]|C|$]]|$1|D|3|E|5|6|7|16|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|17|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|18|8|@]|9|@]|C|$]]|$1|M|3|N|5|H|7|19|8|@]|9|@]|C|$I|J]]|$1|O|3|P|5|6|7|1A|8|@]|9|@]|C|$]]|$1|Q|3|R|5|H|7|1B|8|@]|9|@]|C|$I|J]]|$1|S|3|T|5|6|7|1C|8|@]|9|@]|C|$]]|$1|U|3|-4|5|6|7|1D|8|@]|9|@]|C|$]]]|V|$W|$5|X|Y|Z|C|$10|11]]]]

I wrote <a href="http://www.justindocanto.com/scripts/detect-a-user-on-a-mobile-browser-or-device">this script to detect a mobile browser</a> in PHP.

The code detects a user based on the user-agent string by preg_match()ing words that are found in only mobile devices user-agent strings after hundreds of tests. It has 100% accuracy on all current mobile devices and I'm currently updating it to support more mobile devices as they come out. The code is called isMobile and is as follows:

<pre><code>function isMobile() {
 return preg_match("/(android|avantgo|blackberry|bolt|boost|cricket|docomo|fone|hiptop|mini|mobi|palm|phone|pie|tablet|up\.browser|up\.link|webos|wos)/i", $_SERVER["HTTP_USER_AGENT"]);
}
</code></pre>

You can use it like this:

<pre><code>// Use the function
if(isMobile()){
 // Do something for only mobile users
}
else {
 // Do something for only desktop users
}
</code></pre>

To redirect a user to your mobile site, I would do this:

<pre><code>// Create the function, so you can use it
function isMobile() {
 return preg_match("/(android|avantgo|blackberry|bolt|boost|cricket|docomo|fone|hiptop|mini|mobi|palm|phone|pie|tablet|up\.browser|up\.link|webos|wos)/i", $_SERVER["HTTP_USER_AGENT"]);
}
// If the user is on a mobile device, redirect them
if(isMobile()){
 header("Location: http://m.yoursite.com/");
}
</code></pre>

Let me know if you have any questions and good luck!

blocks|key|883635|text|我发现mobile+detect非常简单，您可以只使用isMobile()函数:)|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|883636|entityMap|0|LINK|mutability|MUTABLE|url|http://mobiledetect.net/^0|R|A|3|D|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@$9|Q|A|R|1|S]]|E|$]]|$1|F|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]]]

I found <a href="http://mobiledetect.net/">mobile detect</a> to be really simple and you can just use the <code>isMobile()</code> function :)

blocks|key|1098509|text|您只需包含可从Mobile+device+detection+in+PHP页面找到的user_agent.php文件，并使用以下代码。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1098510|<?php
//include+file
include_once+'user_agent.php';

//create+an+instance+of+UserAgent+class
$ua+=+new+UserAgent();

//if+site+is+accessed+from+mobile,+then+redirect+to+the+mobile+site.
if($ua->is_mobile()){
+++header("Location:http://m.codexworld.com");
+++exit;
}
?>|code-block|syntax|javascript|1098511|entityMap|0|LINK|mutability|MUTABLE|url|http://www.codexworld.com/mobile-device-detection-in-php/^0|16|E|7|U|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@$9|V|A|W|1|X]]|E|$]]|$1|F|3|G|5|H|7|Y|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|L|$M|$5|N|O|P|E|$Q|R]]]]

You only need to include <code>user_agent.php</code> file which can be found from <a href="http://www.codexworld.com/mobile-device-detection-in-php/" rel="nofollow">Mobile device detection in PHP</a> page and use the following code.

<pre><code>&lt;?php
//include file
include_once 'user_agent.php';

//create an instance of UserAgent class
$ua = new UserAgent();

//if site is accessed from mobile, then redirect to the mobile site.
if($ua-&gt;is_mobile()){
 header("Location:http://m.codexworld.com");
 exit;
}
?&gt;
</code></pre>

blocks|key|883733|text|我想知道，到目前为止，为什么没有人发布对implode()使用的接受答案的稍微修改，以便有更好的代码可读性。所以它是这样的：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|883734|<?php
$uaFull+=+strtolower($_SERVER['HTTP_USER_AGENT']);
$uaStart+=+substr($uaFull,+0,+4);

$uaPhone+=+[
++++'(android%7Cbb\d%2B%7Cmeego).%2Bmobile',
++++'avantgo',
++++'bada\/',
++++'blackberry',
++++'blazer',
++++'compal',
++++'elaine',
++++'fennec',
++++'hiptop',
++++'iemobile',
++++'ip(hone%7Cod)',
++++'iris',
++++'kindle',
++++'lge+',
++++'maemo',
++++'midp',
++++'mmp',
++++'mobile.%2Bfirefox',
++++'netfront',
++++'opera+m(ob%7Cin)i',
++++'palm(+os)?',
++++'phone',
++++'p(ixi%7Cre)\/',
++++'plucker',
++++'pocket',
++++'psp',
++++'series(4%7C6)0',
++++'symbian',
++++'treo',
++++'up\.(browser%7Clink)',
++++'vodafone',
++++'wap',
++++'windows+ce',
++++'xda',
++++'xiino'
];

$uaMobile+=+[
++++'1207',+
++++'6310',+
++++'6590',+
++++'3gso',+
++++'4thp',+
++++'50[1-6]i',+
++++'770s',+
++++'802s',+
++++'a+wa',+
++++'abac%7Cac(er%7Coo%7Cs\-)',+
++++'ai(ko%7Crn)',+
++++'al(av%7Cca%7Cco)',+
++++'amoi',+
++++'an(ex%7Cny%7Cyw)',+
++++'aptu',+
++++'ar(ch%7Cgo)',+
++++'as(te%7Cus)',+
++++'attw',+
++++'au(di%7C\-m%7Cr+%7Cs+)',+
++++'avan',+
++++'be(ck%7Cll%7Cnq)',+
++++'bi(lb%7Crd)',+
++++'bl(ac%7Caz)',+
++++'br(e%7Cv)w',+
++++'bumb',+
++++'bw\-(n%7Cu)',+
++++'c55\/',+
++++'capi',+
++++'ccwa',+
++++'cdm\-',+
++++'cell',+
++++'chtm',+
++++'cldc',+
++++'cmd\-',+
++++'co(mp%7Cnd)',+
++++'craw',+
++++'da(it%7Cll%7Cng)',+
++++'dbte',+
++++'dc\-s',+
++++'devi',+
++++'dica',+
++++'dmob',+
++++'do(c%7Cp)o',+
++++'ds(12%7C\-d)',+
++++'el(49%7Cai)',+
++++'em(l2%7Cul)',+
++++'er(ic%7Ck0)',+
++++'esl8',+
++++'ez([4-7]0%7Cos%7Cwa%7Cze)',+
++++'fetc',+
++++'fly(\-%7C_)',+
++++'g1+u',+
++++'g560',+
++++'gene',+
++++'gf\-5',+
++++'g\-mo',+
++++'go(\.w%7Cod)',+
++++'gr(ad%7Cun)',+
++++'haie',+
++++'hcit',+
++++'hd\-(m%7Cp%7Ct)',+
++++'hei\-',+
++++'hi(pt%7Cta)',+
++++'hp(+i%7Cip)',+
++++'hs\-c',+
++++'ht(c(\-%7C+%7C_%7Ca%7Cg%7Cp%7Cs%7Ct)%7Ctp)',+
++++'hu(aw%7Ctc)',+
++++'i\-(20%7Cgo%7Cma)',+
++++'i230',+
++++'iac(+%7C\-%7C\/)',+
++++'ibro',+
++++'idea',+
++++'ig01',+
++++'ikom',+
++++'im1k',+
++++'inno',+
++++'ipaq',+
++++'iris',+
++++'ja(t%7Cv)a',+
++++'jbro',+
++++'jemu',+
++++'jigs',+
++++'kddi',+
++++'keji',+
++++'kgt(+%7C\/)',+
++++'klon',+
++++'kpt+',+
++++'kwc\-',+
++++'kyo(c%7Ck)',+
++++'le(no%7Cxi)',+
++++'lg(+g%7C\/(k%7Cl%7Cu)%7C50%7C54%7C\-[a-w])',+
++++'libw',+
++++'lynx',+
++++'m1\-w',+
++++'m3ga',+
++++'m50\/',+
++++'ma(te%7Cui%7Cxo)',+
++++'mc(01%7C21%7Cca)',+
++++'m\-cr',+
++++'me(rc%7Cri)',+
++++'mi(o8%7Coa%7Cts)',+
++++'mmef',+
++++'mo(01%7C02%7Cbi%7Cde%7Cdo%7Ct(\-%7C+%7Co%7Cv)%7Czz)',+
++++'mt(50%7Cp1%7Cv+)',+
++++'mwbp',+
++++'mywa',+
++++'n10[0-2]',+
++++'n20[2-3]',+
++++'n30(0%7C2)',+
++++'n50(0%7C2%7C5)',+
++++'n7(0(0%7C1)%7C10)',+
++++'ne((c%7Cm)\-%7Con%7Ctf%7Cwf%7Cwg%7Cwt)',+
++++'nok(6%7Ci)',+
++++'nzph',+
++++'o2im',+
++++'op(ti%7Cwv)',+
++++'oran',+
++++'owg1',+
++++'p800',+
++++'pan(a%7Cd%7Ct)',+
++++'pdxg',+
++++'pg(13%7C\-([1-8]%7Cc))',+
++++'phil',+
++++'pire',+
++++'pl(ay%7Cuc)',+
++++'pn\-2',+
++++'po(ck%7Crt%7Cse)',+
++++'prox',+
++++'psio',+
++++'pt\-g',+
++++'qa\-a',+
++++'qc(07%7C12%7C21%7C32%7C60%7C\-[2-7]%7Ci\-)',+
++++'qtek',+
++++'r380',+
++++'r600',+
++++'raks',+
++++'rim9',+
++++'ro(ve%7Czo)',+
++++'s55\/',+
++++'sa(ge%7Cma%7Cmm%7Cms%7Cny%7Cva)',+
++++'sc(01%7Ch\-%7Coo%7Cp\-)',+
++++'sdk\/',+
++++'se(c(\-%7C0%7C1)%7C47%7Cmc%7Cnd%7Cri)',+
++++'sgh\-',+
++++'shar',+
++++'sie(\-%7Cm)',+
++++'sk\-0',+
++++'sl(45%7Cid)',+
++++'sm(al%7Car%7Cb3%7Cit%7Ct5)',+
++++'so(ft%7Cny)',+
++++'sp(01%7Ch\-%7Cv\-%7Cv+)',+
++++'sy(01%7Cmb)',+
++++'t2(18%7C50)',+
++++'t6(00%7C10%7C18)',+
++++'ta(gt%7Clk)',+
++++'tcl\-',+
++++'tdg\-',+
++++'tel(i%7Cm)',+
++++'tim\-',+
++++'t\-mo',+
++++'to(pl%7Csh)',+
++++'ts(70%7Cm\-%7Cm3%7Cm5)',+
++++'tx\-9',+
++++'up(\.b%7Cg1%7Csi)',+
++++'utst',+
++++'v400',+
++++'v750',+
++++'veri',+
++++'vi(rg%7Cte)',+
++++'vk(40%7C5[0-3]%7C\-v)',+
++++'vm40',+
++++'voda',+
++++'vulc',+
++++'vx(52%7C53%7C60%7C61%7C70%7C80%7C81%7C83%7C85%7C98)',+
++++'w3c(\-%7C+)',+
++++'webc',+
++++'whit',+
++++'wi(g+%7Cnc%7Cnw)',+
++++'wmlb',+
++++'wonu',+
++++'x700',+
++++'yas\-',+
++++'your',+
++++'zeto',+
++++'zte\-'
];

$isPhone+=+preg_match('/'+.+implode($uaPhone,+'%7C')+.+'/i',+$uaFull);
$isMobile+=+preg_match('/'+.+implode($uaMobile,+'%7C')+.+'/i',+$uaStart);

if($isPhone+%7C%7C+$isMobile)+{
++++//+do+something+with+that+device
}+else+{
++++//+process+normally
}|code-block|syntax|javascript|883735|entityMap|0|LINK|mutability|MUTABLE|url|http://php.net/manual/en/function.implode.php^0|K|9|K|9|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@$9|V|A|W|1|X]]|E|$]]|$1|F|3|G|5|H|7|Y|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|L|$M|$5|N|O|P|E|$Q|R]]]]

I was wondering, until now, why someone had not posted a slightly alteration of the accepted answer to the use of <a href="http://php.net/manual/en/function.implode.php" rel="nofollow noreferrer"><code>implode()</code></a> in order to have a better readability of the code. So here it goes:

<pre><code>&lt;?php
$uaFull = strtolower($_SERVER['HTTP_USER_AGENT']);
$uaStart = substr($uaFull, 0, 4);

$uaPhone = [
 '(android|bb\d+|meego).+mobile',
 'avantgo',
 'bada\/',
 'blackberry',
 'blazer',
 'compal',
 'elaine',
 'fennec',
 'hiptop',
 'iemobile',
 'ip(hone|od)',
 'iris',
 'kindle',
 'lge ',
 'maemo',
 'midp',
 'mmp',
 'mobile.+firefox',
 'netfront',
 'opera m(ob|in)i',
 'palm( os)?',
 'phone',
 'p(ixi|re)\/',
 'plucker',
 'pocket',
 'psp',
 'series(4|6)0',
 'symbian',
 'treo',
 'up\.(browser|link)',
 'vodafone',
 'wap',
 'windows ce',
 'xda',
 'xiino'
];

$uaMobile = [
 '1207', 
 '6310', 
 '6590', 
 '3gso', 
 '4thp', 
 '50[1-6]i', 
 '770s', 
 '802s', 
 'a wa', 
 'abac|ac(er|oo|s\-)', 
 'ai(ko|rn)', 
 'al(av|ca|co)', 
 'amoi', 
 'an(ex|ny|yw)', 
 'aptu', 
 'ar(ch|go)', 
 'as(te|us)', 
 'attw', 
 'au(di|\-m|r |s )', 
 'avan', 
 'be(ck|ll|nq)', 
 'bi(lb|rd)', 
 'bl(ac|az)', 
 'br(e|v)w', 
 'bumb', 
 'bw\-(n|u)', 
 'c55\/', 
 'capi', 
 'ccwa', 
 'cdm\-', 
 'cell', 
 'chtm', 
 'cldc', 
 'cmd\-', 
 'co(mp|nd)', 
 'craw', 
 'da(it|ll|ng)', 
 'dbte', 
 'dc\-s', 
 'devi', 
 'dica', 
 'dmob', 
 'do(c|p)o', 
 'ds(12|\-d)', 
 'el(49|ai)', 
 'em(l2|ul)', 
 'er(ic|k0)', 
 'esl8', 
 'ez([4-7]0|os|wa|ze)', 
 'fetc', 
 'fly(\-|_)', 
 'g1 u', 
 'g560', 
 'gene', 
 'gf\-5', 
 'g\-mo', 
 'go(\.w|od)', 
 'gr(ad|un)', 
 'haie', 
 'hcit', 
 'hd\-(m|p|t)', 
 'hei\-', 
 'hi(pt|ta)', 
 'hp( i|ip)', 
 'hs\-c', 
 'ht(c(\-| |_|a|g|p|s|t)|tp)', 
 'hu(aw|tc)', 
 'i\-(20|go|ma)', 
 'i230', 
 'iac( |\-|\/)', 
 'ibro', 
 'idea', 
 'ig01', 
 'ikom', 
 'im1k', 
 'inno', 
 'ipaq', 
 'iris', 
 'ja(t|v)a', 
 'jbro', 
 'jemu', 
 'jigs', 
 'kddi', 
 'keji', 
 'kgt( |\/)', 
 'klon', 
 'kpt ', 
 'kwc\-', 
 'kyo(c|k)', 
 'le(no|xi)', 
 'lg( g|\/(k|l|u)|50|54|\-[a-w])', 
 'libw', 
 'lynx', 
 'm1\-w', 
 'm3ga', 
 'm50\/', 
 'ma(te|ui|xo)', 
 'mc(01|21|ca)', 
 'm\-cr', 
 'me(rc|ri)', 
 'mi(o8|oa|ts)', 
 'mmef', 
 'mo(01|02|bi|de|do|t(\-| |o|v)|zz)', 
 'mt(50|p1|v )', 
 'mwbp', 
 'mywa', 
 'n10[0-2]', 
 'n20[2-3]', 
 'n30(0|2)', 
 'n50(0|2|5)', 
 'n7(0(0|1)|10)', 
 'ne((c|m)\-|on|tf|wf|wg|wt)', 
 'nok(6|i)', 
 'nzph', 
 'o2im', 
 'op(ti|wv)', 
 'oran', 
 'owg1', 
 'p800', 
 'pan(a|d|t)', 
 'pdxg', 
 'pg(13|\-([1-8]|c))', 
 'phil', 
 'pire', 
 'pl(ay|uc)', 
 'pn\-2', 
 'po(ck|rt|se)', 
 'prox', 
 'psio', 
 'pt\-g', 
 'qa\-a', 
 'qc(07|12|21|32|60|\-[2-7]|i\-)', 
 'qtek', 
 'r380', 
 'r600', 
 'raks', 
 'rim9', 
 'ro(ve|zo)', 
 's55\/', 
 'sa(ge|ma|mm|ms|ny|va)', 
 'sc(01|h\-|oo|p\-)', 
 'sdk\/', 
 'se(c(\-|0|1)|47|mc|nd|ri)', 
 'sgh\-', 
 'shar', 
 'sie(\-|m)', 
 'sk\-0', 
 'sl(45|id)', 
 'sm(al|ar|b3|it|t5)', 
 'so(ft|ny)', 
 'sp(01|h\-|v\-|v )', 
 'sy(01|mb)', 
 't2(18|50)', 
 't6(00|10|18)', 
 'ta(gt|lk)', 
 'tcl\-', 
 'tdg\-', 
 'tel(i|m)', 
 'tim\-', 
 't\-mo', 
 'to(pl|sh)', 
 'ts(70|m\-|m3|m5)', 
 'tx\-9', 
 'up(\.b|g1|si)', 
 'utst', 
 'v400', 
 'v750', 
 'veri', 
 'vi(rg|te)', 
 'vk(40|5[0-3]|\-v)', 
 'vm40', 
 'voda', 
 'vulc', 
 'vx(52|53|60|61|70|80|81|83|85|98)', 
 'w3c(\-| )', 
 'webc', 
 'whit', 
 'wi(g |nc|nw)', 
 'wmlb', 
 'wonu', 
 'x700', 
 'yas\-', 
 'your', 
 'zeto', 
 'zte\-'
];

$isPhone = preg_match('/' . implode($uaPhone, '|') . '/i', $uaFull);
$isMobile = preg_match('/' . implode($uaMobile, '|') . '/i', $uaStart);

if($isPhone || $isMobile) {
 // do something with that device
} else {
 // process normally
}
</code></pre>

blocks|key|883752|text|function+isMobile(){
+++if(defined(isMobile))return+isMobile;
+++@define(isMobile,(!($HUA=@trim(@$_SERVER['HTTP_USER_AGENT']))?0:
+++(
++++++preg_match('/(android%7Cbb\d%2B%7Cmeego).%2Bmobile%7Csilk%7Cavantgo%7Cbada\/%7Cblackberry%7Cblazer%7Ccompal%7Celaine%7Cfennec%7Chiptop%7Ciemobile%7Cip(hone%7Cod)%7Ciris%7Ckindle%7Clge+%7Cmaemo%7Cmidp%7Cmmp%7Cnetfront%7Copera+m(ob%7Cin)i%7Cpalm(+os)?%7Cphone%7Cp(ixi%7Cre)\/%7Cplucker%7Cpocket%7Cpsp%7Cseries(4%7C6)0%7Csymbian%7Ctreo%7Cup\.(browser%7Clink)%7Cvodafone%7Cwap%7Cwindows+(ce%7Cphone)%7Cxda%7Cxiino/i'
++++++,$HUA)
+++%7C%7C
++++++preg_match('/1207%7C6310%7C6590%7C3gso%7C4thp%7C50[1-6]i%7C770s%7C802s%7Ca+wa%7Cabac%7Cac(er%7Coo%7Cs\-)%7Cai(ko%7Crn)%7Cal(av%7Cca%7Cco)%7Camoi%7Can(ex%7Cny%7Cyw)%7Captu%7Car(ch%7Cgo)%7Cas(te%7Cus)%7Cattw%7Cau(di%7C\-m%7Cr+%7Cs+)%7Cavan%7Cbe(ck%7Cll%7Cnq)%7Cbi(lb%7Crd)%7Cbl(ac%7Caz)%7Cbr(e%7Cv)w%7Cbumb%7Cbw\-(n%7Cu)%7Cc55\/%7Ccapi%7Cccwa%7Ccdm\-%7Ccell%7Cchtm%7Ccldc%7Ccmd\-%7Cco(mp%7Cnd)%7Ccraw%7Cda(it%7Cll%7Cng)%7Cdbte%7Cdc\-s%7Cdevi%7Cdica%7Cdmob%7Cdo(c%7Cp)o%7Cds(12%7C\-d)%7Cel(49%7Cai)%7Cem(l2%7Cul)%7Cer(ic%7Ck0)%7Cesl8%7Cez([4-7]0%7Cos%7Cwa%7Cze)%7Cfetc%7Cfly(\-%7C_)%7Cg1+u%7Cg560%7Cgene%7Cgf\-5%7Cg\-mo%7Cgo(\.w%7Cod)%7Cgr(ad%7Cun)%7Chaie%7Chcit%7Chd\-(m%7Cp%7Ct)%7Chei\-%7Chi(pt%7Cta)%7Chp(+i%7Cip)%7Chs\-c%7Cht(c(\-%7C+%7C_%7Ca%7Cg%7Cp%7Cs%7Ct)%7Ctp)%7Chu(aw%7Ctc)%7Ci\-(20%7Cgo%7Cma)%7Ci230%7Ciac(+%7C\-%7C\/)%7Cibro%7Cidea%7Cig01%7Cikom%7Cim1k%7Cinno%7Cipaq%7Ciris%7Cja(t%7Cv)a%7Cjbro%7Cjemu%7Cjigs%7Ckddi%7Ckeji%7Ckgt(+%7C\/)%7Cklon%7Ckpt+%7Ckwc\-%7Ckyo(c%7Ck)%7Cle(no%7Cxi)%7Clg(+g%7C\/(k%7Cl%7Cu)%7C50%7C54%7C\-[a-w])%7Clibw%7Clynx%7Cm1\-w%7Cm3ga%7Cm50\/%7Cma(te%7Cui%7Cxo)%7Cmc(01%7C21%7Cca)%7Cm\-cr%7Cme(rc%7Cri)%7Cmi(o8%7Coa%7Cts)%7Cmmef%7Cmo(01%7C02%7Cbi%7Cde%7Cdo%7Ct(\-%7C+%7Co%7Cv)%7Czz)%7Cmt(50%7Cp1%7Cv+)%7Cmwbp%7Cmywa%7Cn10[0-2]%7Cn20[2-3]%7Cn30(0%7C2)%7Cn50(0%7C2%7C5)%7Cn7(0(0%7C1)%7C10)%7Cne((c%7Cm)\-%7Con%7Ctf%7Cwf%7Cwg%7Cwt)%7Cnok(6%7Ci)%7Cnzph%7Co2im%7Cop(ti%7Cwv)%7Coran%7Cowg1%7Cp800%7Cpan(a%7Cd%7Ct)%7Cpdxg%7Cpg(13%7C\-([1-8]%7Cc))%7Cphil%7Cpire%7Cpl(ay%7Cuc)%7Cpn\-2%7Cpo(ck%7Crt%7Cse)%7Cprox%7Cpsio%7Cpt\-g%7Cqa\-a%7Cqc(07%7C12%7C21%7C32%7C60%7C\-[2-7]%7Ci\-)%7Cqtek%7Cr380%7Cr600%7Craks%7Crim9%7Cro(ve%7Czo)%7Cs55\/%7Csa(ge%7Cma%7Cmm%7Cms%7Cny%7Cva)%7Csc(01%7Ch\-%7Coo%7Cp\-)%7Csdk\/%7Cse(c(\-%7C0%7C1)%7C47%7Cmc%7Cnd%7Cri)%7Csgh\-%7Cshar%7Csie(\-%7Cm)%7Csk\-0%7Csl(45%7Cid)%7Csm(al%7Car%7Cb3%7Cit%7Ct5)%7Cso(ft%7Cny)%7Csp(01%7Ch\-%7Cv\-%7Cv+)%7Csy(01%7Cmb)%7Ct2(18%7C50)%7Ct6(00%7C10%7C18)%7Cta(gt%7Clk)%7Ctcl\-%7Ctdg\-%7Ctel(i%7Cm)%7Ctim\-%7Ct\-mo%7Cto(pl%7Csh)%7Cts(70%7Cm\-%7Cm3%7Cm5)%7Ctx\-9%7Cup(\.b%7Cg1%7Csi)%7Cutst%7Cv400%7Cv750%7Cveri%7Cvi(rg%7Cte)%7Cvk(40%7C5[0-3]%7C\-v)%7Cvm40%7Cvoda%7Cvulc%7Cvx(52%7C53%7C60%7C61%7C70%7C80%7C81%7C83%7C85%7C98)%7Cw3c(\-%7C+)%7Cwebc%7Cwhit%7Cwi(g+%7Cnc%7Cnw)%7Cwmlb%7Cwonu%7Cx700%7Cyas\-%7Cyour%7Czeto%7Czte\-/i'
++++++,$HUA)
+++)
+++));
}

echo+isMobile()?1:0;
//+OR
echo+isMobile?1:0;|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|883753|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>function isMobile(){
 if(defined(isMobile))return isMobile;
 @define(isMobile,(!($HUA=@trim(@$_SERVER['HTTP_USER_AGENT']))?0:
 (
 preg_match('/(android|bb\d+|meego).+mobile|silk|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i'
 ,$HUA)
 ||
 preg_match('/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i'
 ,$HUA)
 )
 ));
}

echo isMobile()?1:0;
// OR
echo isMobile?1:0;
</code></pre>

blocks|key|883755|text|function+isMobileDev(){
++++if(!empty($_SERVER['HTTP_USER_AGENT'])){
+++++++$user_ag+=+$_SERVER['HTTP_USER_AGENT'];
+++++++if(preg_match('/(Mobile%7CAndroid%7CTablet%7CGoBrowser%7C[0-9]x[0-9]*%7CuZardWeb\/%7CMini%7CDoris\/%7CSkyfire\/%7CiPhone%7CFennec\/%7CMaemo%7CIris\/%7CCLDC\-%7CMobi\/)/uis',$user_ag)){
++++++++++return+true;
+++++++};
++++};
++++return+false;
}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|883756|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>function isMobileDev(){
 if(!empty($_SERVER['HTTP_USER_AGENT'])){
 $user_ag = $_SERVER['HTTP_USER_AGENT'];
 if(preg_match('/(Mobile|Android|Tablet|GoBrowser|[0-9]x[0-9]*|uZardWeb\/|Mini|Doris\/|Skyfire\/|iPhone|Fennec\/|Maemo|Iris\/|CLDC\-|Mobi\/)/uis',$user_ag)){
 return true;
 };
 };
 return false;
}
</code></pre>

blocks|key|883805|text|简单地说，你可以点击链接。它非常简单，非常容易使用。我正在用这个。它工作得很好。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|883806|http://mobiledetect.net/|offset|length|883807|像这样使用|883808|//include+the+file
require_once+'Mobile_Detect.php';
$detect+=+new+Mobile_Detect;

//+Any+mobile+device+(phones+or+tablets).
if+(+$detect->isMobile()+)+{
+//do+some+code
}

//+Any+tablet+device.
if(+$detect->isTablet()+){
+//do+some+code
}|code-block|syntax|javascript|883809|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|O|0|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@$D|V|E|W|1|X]]|A|$]]|$1|F|3|G|5|6|7|Y|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|Z|8|@]|9|@]|A|$K|L]]|$1|M|3|-4|5|6|7|10|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|C]]]]

Simply you can follow the link. its very simple and very easy to use. I am using this. Its working fine.

<a href="http://mobiledetect.net/" rel="noreferrer">http://mobiledetect.net/</a>

use like this

<pre><code>//include the file
require_once 'Mobile_Detect.php';
$detect = new Mobile_Detect;

// Any mobile device (phones or tablets).
if ( $detect-&gt;isMobile() ) {
 //do some code
}

// Any tablet device.
if( $detect-&gt;isTablet() ){
 //do some code
}
</code></pre>

blocks|key|1098669|text|您还可以使用第三方api通过用户代理字符串进行设备检测。www.useragentinfo.co就是这样一种服务。只需注册并获取您的api令牌，下面是如何通过PHP获取设备信息：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1098670|<?php
$useragent+=+$_SERVER['HTTP_USER_AGENT'];
//+get+api+token+at+https://www.useragentinfo.co/
$token+=+"<api-token>";
$url+=+"https://www.useragentinfo.co/api/v1/device/";

$data+=+array('useragent'+=>+$useragent);

$headers+=+array();
$headers[]+=+"Content-type:+application/json";
$headers[]+=+"Authorization:+Token+"+.+$token;

$curl+=+curl_init($url);
curl_setopt($curl,+CURLOPT_HEADER,+false);
curl_setopt($curl,+CURLOPT_RETURNTRANSFER,+true);
curl_setopt($curl,+CURLOPT_HTTPHEADER,+$headers);
curl_setopt($curl,+CURLOPT_POST,+true);
curl_setopt($curl,+CURLOPT_POSTFIELDS,+json_encode($data));

$json_response+=+curl_exec($curl);

$status+=+curl_getinfo($curl,+CURLINFO_HTTP_CODE);

if+($status+!=+200+)+{
++++die("Error:+call+to+URL+$url+failed+with+status+$status,+response+$json_response,+curl_error+"+.+curl_error($curl)+.+",+curl_errno+"+.+curl_errno($curl));
}

curl_close($curl);

echo+$json_response;
?>|code-block|syntax|javascript|1098671|下面是访问者使用iPhone时的响应示例：|1098672|{
++"device_type":"SmartPhone",
++"browser_version":"5.1",
++"os":"iOS",
++"os_version":"5.1",
++"device_brand":"Apple",
++"bot":false,
++"browser":"Mobile+Safari",
++"device_model":"iPhone"
}|1098673|entityMap|0|LINK|mutability|MUTABLE|url|https://www.useragentinfo.co/^0|S|K|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|C|$]]|$1|K|3|L|5|F|7|10|8|@]|9|@]|C|$G|H]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]]]

You could also use a third party api to do device detection via user agent string. One such service is <a href="https://www.useragentinfo.co" rel="nofollow noreferrer">www.useragentinfo.co</a>. Just sign up and get your api token and below is how you get the device info via PHP:

<pre><code>&lt;?php
$useragent = $_SERVER['HTTP_USER_AGENT'];
// get api token at https://www.useragentinfo.co/
$token = "&lt;api-token&gt;";
$url = "https://www.useragentinfo.co/api/v1/device/";

$data = array('useragent' =&gt; $useragent);

$headers = array();
$headers[] = "Content-type: application/json";
$headers[] = "Authorization: Token " . $token;

$curl = curl_init($url);
curl_setopt($curl, CURLOPT_HEADER, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($data));

$json_response = curl_exec($curl);

$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);

if ($status != 200 ) {
 die("Error: call to URL $url failed with status $status, response $json_response, curl_error " . curl_error($curl) . ", curl_errno " . curl_errno($curl));
}

curl_close($curl);

echo $json_response;
?&gt;
</code></pre>

And here is the sample response if the visitor is using an iPhone:

<pre><code>{
 "device_type":"SmartPhone",
 "browser_version":"5.1",
 "os":"iOS",
 "os_version":"5.1",
 "device_brand":"Apple",
 "bot":false,
 "browser":"Mobile Safari",
 "device_model":"iPhone"
}
</code></pre>

blocks|key|883849|text|<?php+

//--+Very+simple+way
$useragent+=+$_SERVER['HTTP_USER_AGENT'];+
$iPod+=+stripos($useragent,+"iPod");+
$iPad+=+stripos($useragent,+"iPad");+
$iPhone+=+stripos($useragent,+"iPhone");
$Android+=+stripos($useragent,+"Android");+
$iOS+=+stripos($useragent,+"iOS");
//--+You+can+add+billion+devices+

$DEVICE+=+($iPod%7C%7C$iPad%7C%7C$iPhone%7C%7C$Android%7C%7C$iOS);

if+(!$DEVICE)+{+?>



<?php+}else{+?>+

+

<?php+}+?>|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|883850|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>&lt;?php 

//-- Very simple way
$useragent = $_SERVER['HTTP_USER_AGENT']; 
$iPod = stripos($useragent, "iPod"); 
$iPad = stripos($useragent, "iPad"); 
$iPhone = stripos($useragent, "iPhone");
$Android = stripos($useragent, "Android"); 
$iOS = stripos($useragent, "iOS");
//-- You can add billion devices 

$DEVICE = ($iPod||$iPad||$iPhone||$Android||$iOS);

if (!$DEVICE) { ?&gt;

&lt;!-- What you want for all non-mobile devices. Anything with all HTML, PHP, CSS, even full page codes--&gt;

&lt;?php }else{ ?&gt; 

&lt;!-- What you want for all mobile devices. Anything with all HTML, PHP, CSS, even full page codes --&gt; 

&lt;?php } ?&gt;
</code></pre>

blocks|key|1098729|text|如果您关心屏幕大小，您可以将屏幕宽度和高度存储为cookie值(如果它们不存在)，然后进行自我页面重定向。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1098730|现在，您在客户端和服务器端都有cookies，可以使用它来确定移动电话、平板电脑和其他设备|1098731|这里有一个简单的例子，你可以用JavaScript来做到这一点。警告！此代码包含伪代码。|1098732|if+(!getcookie("screen_size"))+{
++++var+screen_width+=+screen.width;
++++var+screen_height+=+screen.height;
++++setcookie("screen_size",+screen_width%2B",+"+%2Bscreen_height);
++++go2(geturl());
}|code-block|syntax|javascript|1098733|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|O|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|P|8|@]|9|@]|A|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

In case you care about screen size you can store screen width and Height as cookie values if they do not exists yet and then make self page redirection.

Now you have cookies on client and server side and can use it to determine mobile phones, tablets and other devices

Here a quick example how you can do it with JavaScript. 
Warning! [this code contain pseudo code].

<pre><code>if (!getcookie("screen_size")) {
 var screen_width = screen.width;
 var screen_height = screen.height;
 setcookie("screen_size", screen_width+", " +screen_height);
 go2(geturl());
}
</code></pre>

blocks|key|883895|text|<?php
$useragent=$_SERVER['HTTP_USER_AGENT'];
if(preg_match('/(android%7Cbb\d%2B%7Cmeego).%2Bmobile%7Cavantgo%7Cbada\/%7Cblackberry%7Cblazer%7Ccompal%7Celaine%7Cfennec%7Chiptop%7Ciemobile%7Cip(hone%7Cod)%7Ciris%7Ckindle%7Clge+%7Cmaemo%7Cmidp%7Cmmp%7Cnetfront%7Copera+m(ob%7Cin)i%7Cpalm(+os)?%7Cphone%7Cp(ixi%7Cre)\/%7Cplucker%7Cpocket%7Cpsp%7Cseries(4%7C6)0%7Csymbian%7Ctreo%7Cup\.(browser%7Clink)%7Cvodafone%7Cwap%7Cwindows+(ce%7Cphone)%7Cxda%7Cxiino/i',$useragent)%7C%7Cpreg_match('/1207%7C6310%7C6590%7C3gso%7C4thp%7C50[1-6]i%7C770s%7C802s%7Ca+wa%7Cabac%7Cac(er%7Coo%7Cs\-)%7Cai(ko%7Crn)%7Cal(av%7Cca%7Cco)%7Camoi%7Can(ex%7Cny%7Cyw)%7Captu%7Car(ch%7Cgo)%7Cas(te%7Cus)%7Cattw%7Cau(di%7C\-m%7Cr+%7Cs+)%7Cavan%7Cbe(ck%7Cll%7Cnq)%7Cbi(lb%7Crd)%7Cbl(ac%7Caz)%7Cbr(e%7Cv)w%7Cbumb%7Cbw\-(n%7Cu)%7Cc55\/%7Ccapi%7Cccwa%7Ccdm\-%7Ccell%7Cchtm%7Ccldc%7Ccmd\-%7Cco(mp%7Cnd)%7Ccraw%7Cda(it%7Cll%7Cng)%7Cdbte%7Cdc\-s%7Cdevi%7Cdica%7Cdmob%7Cdo(c%7Cp)o%7Cds(12%7C\-d)%7Cel(49%7Cai)%7Cem(l2%7Cul)%7Cer(ic%7Ck0)%7Cesl8%7Cez([4-7]0%7Cos%7Cwa%7Cze)%7Cfetc%7Cfly(\-%7C_)%7Cg1+u%7Cg560%7Cgene%7Cgf\-5%7Cg\-mo%7Cgo(\.w%7Cod)%7Cgr(ad%7Cun)%7Chaie%7Chcit%7Chd\-(m%7Cp%7Ct)%7Chei\-%7Chi(pt%7Cta)%7Chp(+i%7Cip)%7Chs\-c%7Cht(c(\-%7C+%7C_%7Ca%7Cg%7Cp%7Cs%7Ct)%7Ctp)%7Chu(aw%7Ctc)%7Ci\-(20%7Cgo%7Cma)%7Ci230%7Ciac(+%7C\-%7C\/)%7Cibro%7Cidea%7Cig01%7Cikom%7Cim1k%7Cinno%7Cipaq%7Ciris%7Cja(t%7Cv)a%7Cjbro%7Cjemu%7Cjigs%7Ckddi%7Ckeji%7Ckgt(+%7C\/)%7Cklon%7Ckpt+%7Ckwc\-%7Ckyo(c%7Ck)%7Cle(no%7Cxi)%7Clg(+g%7C\/(k%7Cl%7Cu)%7C50%7C54%7C\-[a-w])%7Clibw%7Clynx%7Cm1\-w%7Cm3ga%7Cm50\/%7Cma(te%7Cui%7Cxo)%7Cmc(01%7C21%7Cca)%7Cm\-cr%7Cme(rc%7Cri)%7Cmi(o8%7Coa%7Cts)%7Cmmef%7Cmo(01%7C02%7Cbi%7Cde%7Cdo%7Ct(\-%7C+%7Co%7Cv)%7Czz)%7Cmt(50%7Cp1%7Cv+)%7Cmwbp%7Cmywa%7Cn10[0-2]%7Cn20[2-3]%7Cn30(0%7C2)%7Cn50(0%7C2%7C5)%7Cn7(0(0%7C1)%7C10)%7Cne((c%7Cm)\-%7Con%7Ctf%7Cwf%7Cwg%7Cwt)%7Cnok(6%7Ci)%7Cnzph%7Co2im%7Cop(ti%7Cwv)%7Coran%7Cowg1%7Cp800%7Cpan(a%7Cd%7Ct)%7Cpdxg%7Cpg(13%7C\-([1-8]%7Cc))%7Cphil%7Cpire%7Cpl(ay%7Cuc)%7Cpn\-2%7Cpo(ck%7Crt%7Cse)%7Cprox%7Cpsio%7Cpt\-g%7Cqa\-a%7Cqc(07%7C12%7C21%7C32%7C60%7C\-[2-7]%7Ci\-)%7Cqtek%7Cr380%7Cr600%7Craks%7Crim9%7Cro(ve%7Czo)%7Cs55\/%7Csa(ge%7Cma%7Cmm%7Cms%7Cny%7Cva)%7Csc(01%7Ch\-%7Coo%7Cp\-)%7Csdk\/%7Cse(c(\-%7C0%7C1)%7C47%7Cmc%7Cnd%7Cri)%7Csgh\-%7Cshar%7Csie(\-%7Cm)%7Csk\-0%7Csl(45%7Cid)%7Csm(al%7Car%7Cb3%7Cit%7Ct5)%7Cso(ft%7Cny)%7Csp(01%7Ch\-%7Cv\-%7Cv+)%7Csy(01%7Cmb)%7Ct2(18%7C50)%7Ct6(00%7C10%7C18)%7Cta(gt%7Clk)%7Ctcl\-%7Ctdg\-%7Ctel(i%7Cm)%7Ctim\-%7Ct\-mo%7Cto(pl%7Csh)%7Cts(70%7Cm\-%7Cm3%7Cm5)%7Ctx\-9%7Cup(\.b%7Cg1%7Csi)%7Cutst%7Cv400%7Cv750%7Cveri%7Cvi(rg%7Cte)%7Cvk(40%7C5[0-3]%7C\-v)%7Cvm40%7Cvoda%7Cvulc%7Cvx(52%7C53%7C60%7C61%7C70%7C80%7C81%7C83%7C85%7C98)%7Cw3c(\-%7C+)%7Cwebc%7Cwhit%7Cwi(g+%7Cnc%7Cnw)%7Cwmlb%7Cwonu%7Cx700%7Cyas\-%7Cyour%7Czeto%7Czte\-/i',substr($useragent,0,4)))
{
++++echo('This+is+mobile+device');
}
else
{
+++echo('This+is+Desktop/Laptop+device');
}
?>|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|883896|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>&lt;?php
$useragent=$_SERVER['HTTP_USER_AGENT'];
if(preg_match('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i',$useragent)||preg_match('/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i',substr($useragent,0,4)))
{
 echo('This is mobile device');
}
else
{
 echo('This is Desktop/Laptop device');
}
?&gt;
</code></pre>

blocks|key|883945|text|也许结合一些javascript和PHP可以达到这个目的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|883946|<?php
$string+=+'<script>';
$string+.=+'if+(+/Opera%7COPR\/%7CPuffin%7CAndroid%7CwebOS%7CiPhone%7CiPad%7CiPod%7CBlackBerry%7CIEMobile%7COpera+Mini/i.test(navigator.userAgent))+{+';
$string+.=+'++++++++alert("CELL")';
$string+.=+'++++}+else+{';
$string+.=+'++++++++alert("NON+CELL")';
$string+.=+'++++}+++++++';++
$string+.=+'</script>';+
echo+$string;
?>|code-block|syntax|javascript|883947|我使用的也是普通的javascript。|883948|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Maybe combining some javascript and PHP could achieve the trick
<pre><code>&lt;?php
$string = '&lt;script&gt;';
$string .= 'if ( /Opera|OPR\/|Puffin|Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)) { ';
$string .= ' alert(&quot;CELL&quot;)';
$string .= ' } else {';
$string .= ' alert(&quot;NON CELL&quot;)';
$string .= ' } '; 
$string .= '&lt;/script&gt;'; 
echo $string;
?&gt;
</code></pre>
I used that with plain javascript also instead

blocks|key|1098813|text|如果你的服务器支持get_browser+(从PHP4开始支持)，那就非常简单了。他们有一个内置的函数来满足你的要求。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1098814|参考：https://www.php.net/manual/en/function.get-browser.php|offset|length|1098815|<?php
$browser+=+get_browser(null,+true);
if($browser['ismobiledevice'])+{+
++++++//+Device+is+mobile+
}
?>|code-block|syntax|javascript|1098816|entityMap|0|LINK|mutability|MUTABLE|url|https://www.php.net/manual/en/function.get-browser.php^0|0|3|1I|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@$D|U|E|V|1|W]]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|A|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

If your server supports get_browser (available since PHP 4), it's extremely simple. They have a built in function for what you're asking.
Reference: <a href="https://www.php.net/manual/en/function.get-browser.php" rel="nofollow noreferrer">https://www.php.net/manual/en/function.get-browser.php</a>
<pre><code>&lt;?php
$browser = get_browser(null, true);
if($browser['ismobiledevice']) { 
 // Device is mobile 
}
?&gt;
</code></pre>

blocks|key|884035|text|这个简单的解决方案|type|unstyled|depth|inlineStyleRanges|entityRanges|data|884036|if(
++++
++++strpos($_SERVER['HTTP_USER_AGENT'],'Phone')
++++%7C
++++strpos($_SERVER['HTTP_USER_AGENT'],'Android')
++++
++++
){++++++echo+"should+be+mobile";++++++++++++++++}
else{+++echo+"give+them+the+desktop+version";+++}|code-block|syntax|javascript|884037|适用于我测试的大多数设备(通过浏览器开发工具device+emulation)。|884038|当然，您可以使用echo($_SERVER['HTTP_USER_AGENT']);自己查看所使用的值。|offset|length|style|CODE|884039|在我的手机中，唯一丢失的智能手机是BlacBerryZ30，我也通过检查'Touch'修复了它。对于诺基亚N9，我也检查了'Nokia'。显然，如果发现“未选中”，可以为更多的设备添加这些内容。但就目前而言，这可能比上面一些更复杂的字符串扫描模式更容易理解/更快。|884040|entityMap^0|0|0|0|8|Y|0|10|7|1P|7|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|V|8|@$K|W|L|X|M|N]]|9|@]|A|$]]|$1|O|3|P|5|6|7|Y|8|@$K|Z|L|10|M|N]|$K|11|L|12|M|N]]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|R|$]]

This simple solution
<pre><code>if(
 
 strpos($_SERVER['HTTP_USER_AGENT'],'Phone')
 |
 strpos($_SERVER['HTTP_USER_AGENT'],'Android')
 
 
){ echo &quot;should be mobile&quot;; }
else{ echo &quot;give them the desktop version&quot;; }
</code></pre>
works with most devices i tested (via the browser dev tool device emulation) .
For sure, you can simply look at the used values yourself using <code>echo($_SERVER['HTTP_USER_AGENT']);</code>.
The only missing smartphone devices in my case were the BlacBerryZ30 which i fixed by checking for <code>'Touch'</code> as well. And for the Nokia N9 i checked for <code>'Nokia'</code> as well. One could obviously add these for many more deivces if found to be 'unchecked'. But for now this may be better/faster to understand than some of the more complex above string scanning patterns.

What is the simplest way to tell if a user is using a mobile device to browse my site using PHP?

I have come across many classes that you can use but I was hoping for a simple if condition! 

Is there a way I can do this?

Simplest way to detect a mobile device in PHP

服务器

Android

使用PHP判断用户是否正在使用移动设备浏览我的站点，最简单的方法是什么？我遇到了许多可以使用的类，但我希望有一个简单的if条件！有什么办法可以做到这一点吗？

问在PHP中检测移动设备的最简单方法
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