Detect a Visitor’s Browser in WordPress

June 21st, 2009 by Matt

WP Recipes has a neat WordPress trick. Apparently WordPress has a few variables ($is_gecko, $is_IE, etc) that are set to either true or false depending on which browser a visitor is running. Coupled with the body_class hook, you can add a class of the browser name to the <body> tag.

add_filter('body_class','browser_body_class');
function browser_body_class($classes) {
global $is_IE, $is_iphone;
if ($is_IE) {
$classes[] = 'iesux';
}
elseif ($is_iphone) {
$classes[] = 'iphone';
}
else {
//let's not add a class for normal browsers...
}
return $classes;
}

This could potentially be useful for fixing those annoying Internet Explorer issues without resorting to CSS hacks.

How to detect the visitor browser within WordPress [WP Recipes]

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