3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $domain = 'https://kgopen.baidu.com/user/noinfo?code=2'; $ip = escapeshellcmd($domain); echo $ip.'\n'; $domain = "`ls`"; $ip = escapeshellarg($domain); echo $ip;
based on 43nQL
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0rc3
https://kgopen.baidu.com/user/noinfo\?code=2\n'`ls`'