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run code in 200+ 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 - 7.1.7
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
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 />