- Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
- array ( 0 => 'ad', 1 => 'be', 2 => 'cf', 3 => 'g', )
<?php
$a = ['a', 'b', 'c'];
$b = ['d', 'e', 'f', 'g'];
var_export(array_map(fn(...$column) => implode($column), $a, $b));