3v4l.org

run code in 300+ PHP versions simultaneously
<?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; } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1000
preferences:
276.74 ms | 405 KiB | 460 Q