3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $files = array(1,2); $x = mt_rand(0,count($files)); echo($files[$x+1]); ?>
Output for 5.3.4, 5.3.6 - 5.3.7, 5.3.12, 5.3.14, 5.3.16, 5.3.27, 5.4.2 - 5.4.3, 5.4.6, 5.4.9, 5.4.11 - 5.4.12, 5.4.15, 5.4.17, 5.4.19, 5.4.21 - 5.4.22, 5.4.24 - 5.4.25, 5.4.27 - 5.4.28, 5.4.40, 5.5.30, 5.5.32, 5.6.8 - 5.6.9, 5.6.15 - 5.6.16, 5.6.21 - 5.6.28, 7.0.0, 7.0.3 - 7.0.5, 7.1.0
Notice: Undefined offset: 2 in /in/9tUuu on line 4
Output for 4.3.8 - 4.3.9, 4.4.2, 4.4.5, 4.4.7, 4.4.9, 5.0.1, 5.0.3, 5.1.5, 5.2.7, 5.2.9 - 5.2.10, 5.2.12, 5.2.14, 5.3.2 - 5.3.3, 5.3.10, 5.3.15, 5.3.21, 5.3.28, 5.4.0, 5.4.4, 5.4.10, 5.4.13, 5.4.16, 5.4.26, 5.4.29, 5.4.31, 5.4.34 - 5.4.35, 5.4.37 - 5.4.39, 5.4.41 - 5.4.43, 5.4.45, 5.5.27, 5.5.29, 5.5.34, 5.6.11, 5.6.13, 7.0.2, 7.0.14
2
Output for 5.3.0 - 5.3.1, 5.3.5, 5.3.8 - 5.3.9, 5.3.11, 5.3.13, 5.3.17 - 5.3.20, 5.3.22 - 5.3.26, 5.3.29, 5.4.1, 5.4.5, 5.4.7 - 5.4.8, 5.4.14, 5.4.18, 5.4.20, 5.4.23, 5.4.30, 5.4.32, 5.4.36, 5.4.44, 5.5.24 - 5.5.26, 5.5.28, 5.5.31, 5.5.33, 5.5.35, 5.6.10, 5.6.12, 5.6.14, 5.6.17 - 5.6.20, 7.0.1, 7.0.6
Notice: Undefined offset: 3 in /in/9tUuu on line 4
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: 3 in /in/9tUuu on line 4
Output for 4.3.0 - 4.3.4, 4.3.10 - 4.3.11, 4.4.8, 5.0.0, 5.0.5, 5.1.1, 5.1.4, 5.2.0, 5.2.2 - 5.2.3, 5.2.5, 5.2.13, 5.2.15, 5.2.17
Notice: Undefined offset: 2 in /in/9tUuu on line 4
Output for 4.3.5 - 4.3.7, 4.4.0 - 4.4.1, 4.4.3 - 4.4.4, 4.4.6, 5.0.2, 5.0.4, 5.1.0, 5.1.2 - 5.1.3, 5.1.6, 5.2.1, 5.2.4, 5.2.6, 5.2.8, 5.2.11, 5.2.16
Notice: Undefined offset: 3 in /in/9tUuu on line 4