3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = [1,2,3]; $array2 = &$array; foreach($array as $val) { unset($array[1]); // modify array being iterated over echo "{$val} - ", current($array), PHP_EOL; }
based on rW3eV
Output for 7.0.0 - 7.2.0
1 - 1 2 - 1 3 - 1
Output for 5.4.11 - 5.6.28
1 - 3 3 -
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/3BEGF on line 2
Process exited with code 255.