<?php
function arrayMergeRecursiveDistinct(array $first, array $second)
{
foreach ($second as $idx => $value) {
if (is_integer($idx)) {
$first[] = $value;
} else {
if (!array_key_exists($idx, $first)) {
$first[$idx] = $value;
} else {
if (is_array($value)) {
$first[$idx] = arrayMergeRecursiveDistinct($first[$idx], $value);
} else {
$first[$idx] = $value;
}
}
}
}
return $first;
}
$a = ['a' => [1,2,3]];
$b = ['a' => [1,2,3,4]];
print_r(arrayMergeRecursiveDistinct($b, $a));
print_r(array_replace_recursive($b, $a));
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 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
(
[a] => Array
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
[4] => 1
[5] => 2
[6] => 3
)
)
Array
(
[a] => Array
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
)
)
- Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/1FgAM on line 25
Process exited with code 255. - Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/1FgAM on line 4
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/1FgAM on line 4
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
- Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/1FgAM on line 4
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/1FgAM on line 4
Process exited with code 255.
preferences:
305.65 ms | 401 KiB | 396 Q