3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $ar1 = array(); for($i = 0; $i < 1000; $i++){ $ar1[] = 'a' . $i; } #unset($ar1['775']); #unset($ar1['175']); #unset($ar1['75']); remo($ar1, 775); remo($ar1, 175); remo($ar1, 75); echo count($ar1); function remo(&$arr, $key_remove){ $a = array(); foreach($arr as $key => $value){ if($key === $key_remove) continue; $a[$key] = $value; } $arr = a; }
Output for 7.2.0
Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/vetlG on line 21 Warning: Invalid argument supplied for foreach() in /in/vetlG on line 17 Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/vetlG on line 21 Warning: Invalid argument supplied for foreach() in /in/vetlG on line 17 Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/vetlG on line 21 Warning: count(): Parameter must be an array or an object that implements Countable in /in/vetlG on line 13 1
Output for 4.3.0 - 4.3.10, 4.4.0 - 7.1.7
Notice: Use of undefined constant a - assumed 'a' in /in/vetlG on line 21 Warning: Invalid argument supplied for foreach() in /in/vetlG on line 17 Notice: Use of undefined constant a - assumed 'a' in /in/vetlG on line 21 Warning: Invalid argument supplied for foreach() in /in/vetlG on line 17 Notice: Use of undefined constant a - assumed 'a' in /in/vetlG on line 21 1
Output for 4.3.11
Notice: Use of undefined constant a - assumed 'a' in /in/vetlG on line 21 Notice: Use of undefined constant a - assumed 'a' in /in/vetlG on line 21 Notice: Use of undefined constant a - assumed 'a' in /in/vetlG on line 21 1