3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = ['item1', 'item2', 'item3']; $array3 = array(); foreach ($array as $sleutel){ $array2 = array(); for ($i = 0; $i < 3; $i++){ $array2[]= $i*2; } $array3[$sleutel] = $array2; } var_dump($array3); ?>
Output for 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.6
array(3) { ["item1"]=> array(3) { [0]=> int(0) [1]=> int(2) [2]=> int(4) } ["item2"]=> array(3) { [0]=> int(0) [1]=> int(2) [2]=> int(4) } ["item3"]=> array(3) { [0]=> int(0) [1]=> int(2) [2]=> int(4) } }
preferences:
109.99 ms | 1528 KiB | 4 Q