3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = new ArrayObject(array(1, 2)); $it = new ArrayIterator($array); while ($it->valid()) { echo $it->current(); $prev = clone $it; $it->next(); } $array[] = 3; $it = $prev; $prev->next(); echo $it->valid() ? $it->current : "not valid";
Output for 5.2.6 - 5.6.28, 7.0.0 - 7.1.0
12 Notice: Undefined property: ArrayIterator::$current in /in/lELrO on line 18
Output for hhvm-3.10.0 - 3.12.0
12not valid
Output for 5.0.0 - 5.2.5
12 Notice: Undefined property: ArrayIterator::$current in /in/lELrO on line 18
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/lELrO on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_VARIABLE in /in/lELrO on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lELrO on line 10
Process exited with code 255.