3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('foo', 'bar' => array('foobar')); foreach($array[1] as $dimension) { echo "OK"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key 1 in /in/jERgN on line 6 Warning: foreach() argument must be of type array|object, null given in /in/jERgN on line 6
Output for 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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined offset: 1 in /in/jERgN on line 6 Warning: Invalid argument supplied for foreach() in /in/jERgN on line 6
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0, 7.3.32 - 7.3.33, 7.4.26
Warning: Invalid argument supplied for foreach() in /in/jERgN on line 6
Output for 5.2.1 - 5.2.17
Notice: Undefined offset: 1 in /in/jERgN on line 6 Warning: Invalid argument supplied for foreach() in /in/jERgN on line 6
Output for 4.3.11
preferences:
218.88 ms | 401 KiB | 370 Q