function
isMobile() {
if
(isset(
$_SERVER
['HTTP_X_WAP_PROFILE'])) {
return
true;
}
if
(isset(
$_SERVER
['HTTP_VIA'])) {
return
stristr
(
$_SERVER
['HTTP_VIA'],
"wap"
) ? true : false;
}
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','netfront','symbian','ucweb','windowsce','palm','operamini','operamobi',
'openwave','nexusone','cldc','midp','wap','mobile','MicroMessenger');
if
(preg_match(
"/("
. implode('|',
$clientkeywords
) .
")/i"
,
strtolower
(
$_SERVER
['HTTP_USER_AGENT']))) {
return
true;
}
}
if
(isset (
$_SERVER
['HTTP_ACCEPT'])) {
if
((
strpos
(
$_SERVER
['HTTP_ACCEPT'], 'vnd.wap.wml') !== false) && (
strpos
(
$_SERVER
['HTTP_ACCEPT'], 'text/html') ===
false || (
strpos
(
$_SERVER
['HTTP_ACCEPT'], 'vnd.wap.wml') <
strpos
(
$_SERVER
['HTTP_ACCEPT'], 'text/html')))) {
return
true;
}
}
return
false;
}