<?php
$array = [
[1, 2, 3],
[4, 5, 6]
];
var_export(
array_map(
'array_merge',
array_fill(0, count($array), ['X']),
$array
)
);
- Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
- array (
0 =>
array (
0 => 'X',
1 => 1,
2 => 2,
3 => 3,
),
1 =>
array (
0 => 'X',
1 => 4,
2 => 5,
3 => 6,
),
)
preferences:
162.19 ms | 403 KiB | 123 Q