3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array('a'); $array2 = array('p1', 'p2', 'p3'); $array1 = array_merge($array1, count ($array2) > count($array1) ? array_fill(0, count ($array2) - count($array1), '*') : array()); print_r($array1); print_r($array2); print_r(array_combine($array2, $array1));
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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
Array ( [0] => a [1] => * [2] => * ) Array ( [0] => p1 [1] => p2 [2] => p3 ) Array ( [p1] => a [p2] => * [p3] => * )
preferences:
209.76 ms | 404 KiB | 255 Q