3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?=(sqrt(7))^([].[]);
based on CQiom
Output for 7.1.0 - 7.2.0
Notice: Array to string conversion in /in/0XouY on line 1 Notice: Array to string conversion in /in/0XouY on line 1 Warning: A non-numeric value encountered in /in/0XouY on line 1 2
Output for 5.4.1 - 7.0.20
Notice: Array to string conversion in /in/0XouY on line 1 Notice: Array to string conversion in /in/0XouY on line 1 2
Output for 5.3.18 - 5.3.29
<?=(sqrt(7))^([].[]);