<?php use donatj\UserAgent\UserAgentParser; // if you're using composer require __DIR__ . '/../vendor/autoload.php'; $parser = new UserAgentParser(); // object-oriented call $ua = $parser->parse(); // or // command style invocation $ua = $parser(); echo $ua->platform() . PHP_EOL; echo $ua->browser() . PHP_EOL; echo $ua->browserVersion() . PHP_EOL;