程式設計@筆記

<?php
function get_browser_name($user_agent)
{
if (strpos($user_agent, 'Opera') || strpos($user_agent, 'OPR/')) return 'Opera';
elseif (strpos($user_agent, 'Edge')) return 'Edge';
elseif (strpos($user_agent, 'Chrome')) return 'Chrome';
elseif (strpos($user_agent, 'Safari')) return 'Safari';
elseif (strpos($user_agent, 'Firefox')) return 'Firefox';
elseif (strpos($user_agent, 'MSIE') || strpos($user_agent, 'Trident/7')) return 'Internet Explorer';

return 'Other';
}

// Usage:

echo get_browser_name($_SERVER['HTTP_USER_AGENT']);

?>