<?php
$a = array('foo' => "xyz", null => "abc");
$b = array('bar' => "baz", null => "xyz");
var_dump(array_merge_recursive($a,$b));
var_dump(merge_old($a,$b));
var_dump(merge($a,$b));
function merge(array $a, array $b)
{
foreach ($b as $key => $value) {
if (isset($a[$key])) {
if (is_int($key)) {
$a[] = $value;
} elseif (is_array($value) && is_array($a[$key])) {
$a[$key] = merge($a[$key], $value);
} else {
$a[$key] = $value;
}
} else {
$a[$key] = $value;
}
}
return $a;
}
function merge_old(array $a, array $b)
{
foreach ($b as $key => $value) {
if (array_key_exists($key, $a)) {
if (is_int($key)) {
$a[] = $value;
} elseif (is_array($value) && is_array($a[$key])) {
$a[$key] = merge_old($a[$key], $value);
} else {
$a[$key] = $value;
}
} else {
$a[$key] = $value;
}
}
return $a;
}
- Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.1 - 5.3.29, 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 - 7.1.25, 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(3) {
["foo"]=>
string(3) "xyz"
[""]=>
array(2) {
[0]=>
string(3) "abc"
[1]=>
string(3) "xyz"
}
["bar"]=>
string(3) "baz"
}
array(3) {
["foo"]=>
string(3) "xyz"
[""]=>
string(3) "xyz"
["bar"]=>
string(3) "baz"
}
array(3) {
["foo"]=>
string(3) "xyz"
[""]=>
string(3) "xyz"
["bar"]=>
string(3) "baz"
}
- Output for 5.3.0
- array(3) {
["foo"]=>
string(3) "xyz"
[""]=>
array(2) {
[0]=>
string(3) "abc"
[1]=>
string(3) "xyz"
}
["bar"]=>
string(3) "baz"
}
array(3) {
["foo"]=>
string(3) "xyz"
[""]=>
array(1) {
[0]=>
string(3) "xyz"
}
["bar"]=>
string(3) "baz"
}
array(3) {
["foo"]=>
string(3) "xyz"
[""]=>
array(1) {
[0]=>
string(3) "xyz"
}
["bar"]=>
string(3) "baz"
}
- Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/iPi6l on line 12
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/iPi6l on line 12
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/iPi6l on line 12
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/iPi6l on line 12
Process exited with code 255.
preferences:
234.75 ms | 401 KiB | 369 Q