php判断wap客户端(手机用户)

659441806

　　<?php
function is_mobile() {
　　$devices = array(
"operaMobi" => "Opera Mobi",
"android" => "android",
"blackberry" => "blackberry",
"iphone" => "(iphone|ipod)",
"opera" => "opera mini",
"palm" => "(avantgo|blazer|elaine|hiptop|palm|plucker|xiino)",
"windows" => "windows ce; (iemobile|ppc|smartphone)",
"generic" => "(kindle|mobile|mmp|midp|o2|pda|pocket|psp|symbian|smartphone|treo|up.browser|up.link|vodafone|wap)"
);

if (isset($_SERVER['HTTP_X_WAP_PROFILE']) || isset($_SERVER['HTTP_PROFILE'])) {
return TRUE;
} elseif (isset($_SERVER['HTTP_ACCEPT']) && (strpos($_SERVER['HTTP_ACCEPT'], 'text/vnd.wap.wml') > 0 || strpos($_SERVER['HTTP_ACCEPT'], 'application/vnd.wap.xhtml+xml') > 0)) {
return TRUE;
} else {

if (isset($_SERVER['HTTP_USER_AGENT'])) {
foreach ($devices as $device => $regexp) {

if (preg_match("/" . $regexp . "/i", $_SERVER['HTTP_USER_AGENT'])) {
return TRUE;
}
}
}
}
return FALSE;
}
?>
　　函数来源于xweibo2.0开源系统