PHP получить пользовательский агент
$_SERVER['HTTP_USER_AGENT']
Friendly Hawk
$_SERVER['HTTP_USER_AGENT']function get_browser_name($user_agent){
$t = strtolower($user_agent);
$t = " " . $t;
if (strpos($t, 'opera' ) || strpos($t, 'opr/') ) return 'Opera' ;
elseif (strpos($t, 'edge' ) ) return 'Edge' ;
elseif (strpos($t, 'chrome' ) ) return 'Chrome' ;
elseif (strpos($t, 'safari' ) ) return 'Safari' ;
elseif (strpos($t, 'firefox' ) ) return 'Firefox' ;
elseif (strpos($t, 'msie' ) || strpos($t, 'trident/7')) return 'Internet Explorer';
return 'Unkown';
}
echo get_browser_name($_SERVER['HTTP_USER_AGENT']);//Chrome