Код выводит сообщение:
Mozilla Firefox (Gecko/Firefox)
<?php
if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') )
{ if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Netscape') )
{ $browser = 'Netscape (Gecko/Netscape)'; }
else if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Firefox') )
{ $browser = 'Mozilla Firefox (Gecko/Firefox)'; }
else
{ $browser = 'Mozilla (Gecko/Mozilla)'; }
}
else if ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') )
{ if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') )
{ $browser = 'Opera (MSIE/Opera/Compatible)'; }
else
{ $browser = 'Internet Explorer (MSIE/Compatible)'; }
}
else
{
$browser = 'Others browsers';
}
echo $browser;
?>