3v4l.org

run code in 300+ PHP versions simultaneously
<?php $isAb = false; if(isset($_SERVER['HTTP_USER_AGENT'])){ $sessionLessUseragents = array( 'ApacheBench', 'http://www.majestic12.co.uk/bot.php', 'http://www.google.com/bot.html', 'http://yandex.com/bots', 'http://www.bing.com/bingbot.htm', 'http://search.msn.com/msnbot.htm', 'http://ahrefs.com/robot/', 'http://www.baidu.com/search/spider.html', 'http://www.projectwonderful.com/', 'http://webmeup-crawler.com/', 'http://OpenLinkProfiler.org/bot', 'http://www.pingdom.com', 'http://www.opensiteexplorer.org/dotbot', 'http://www.easou.com/search/spider.html', ); foreach($sessionLessUseragents as $sessionLessUseragent){ if(strrpos($_SERVER['HTTP_USER_AGENT'], $sessionLessUseragent) !== false){ $isAb = true; break; } } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4

preferences:
199.29 ms | 405 KiB | 349 Q