3v4l.org

run code in 200+ php & hhvm versions
<?php $ar = [1,2,3,4,5]; $i = new ArrayIterator($ar); foreach ($i as $k => $e) { var_dump($e); if ($k === 1) { unset($i[$k]); } } echo '---------' . PHP_EOL; foreach ($i as $e) { var_dump($e); }
based on Zt7He
Output for hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.2.7
int(1) int(2) int(4) int(5) --------- int(1) int(3) int(4) int(5)
Output for 5.4.0 - 5.6.30
int(1) int(2) int(3) int(4) int(5) --------- int(1) int(3) int(4) int(5)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/uUoaH on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/uUoaH on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/uUoaH on line 3
Process exited with code 255.