3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array(1, 55, 38, 38, 23, 22, 110, 1, 1, 2, 56, 15, 15, 78, 34); $curVal; foreach($array as $item) { if($item != $curVal) echo $item; echo '<br />'; $curVal = $item; }
Output for 5.1.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: curVal in /in/GDqKm on line 9 1<br />55<br />38<br /><br />23<br />22<br />110<br />1<br /><br />2<br />56<br />15<br /><br />78<br />34<br />
Output for 5.0.4 - 5.0.5, hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: curVal in /in/GDqKm on line 5 Notice: Undefined variable: curVal in /in/GDqKm on line 9 1<br />55<br />38<br /><br />23<br />22<br />110<br />1<br /><br />2<br />56<br />15<br /><br />78<br />34<br />
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: curVal in /in/GDqKm on line 5 Notice: Undefined variable: curVal in /in/GDqKm on line 9 1<br />55<br />38<br /><br />23<br />22<br />110<br />1<br /><br />2<br />56<br />15<br /><br />78<br />34<br />