3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2,3,4); $it = new ArrayIterator($a); foreach ($it as $k => $v) { unset($it[$k]); } var_dump($a);
Output for 5.2.4 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) }
Output for 5.0.4 - 5.2.3
array(1) { [1]=> int(2) }
Output for 5.0.0 - 5.0.3
array(0) { }
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/JGEof on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/JGEof on line 4