php针对iphone和android设备输出不同的viewport
<?php
//if iphone
$browser = strpos($_SERVER['HTTP_USER_AGENT'],"iPhone");
if ($browser == true){
$browser = 'iphone';
}
//if android
$android = strpos($_SERVER['HTTP_USER_AGENT'],"Android");
if ($android == true){
$android = 'android';
}
?>
<?php if ($browser == 'iphone') { ?>
<meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0" />
<?php } elseif ($android == 'android') { ?>
<meta name="HandheldFriendly" content="true" />
<meta name="viewport" content="width=device-width, height=device-height, user-scalable=no" />
<?php } ?>
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