<?php
function key_compare_func($key1, $key2)
{
var_dump($key1, $key2, $key1 == $key2, $key1 > $key2);
if ($key1 == $key2)
return 0;
else if ($key1 > $key2)
return 1;
else
return -1;
}
$a=new stdClass;
$a->{"0"}=1;
$a->n=2;
echo "key\n";
var_dump(array_diff_key((array)$a, [0]));
echo "ukey\n";
var_dump(array_diff_ukey((array)$a, [0], 'key_compare_func'));
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- key
array(1) {
["n"]=>
int(2)
}
ukey
int(0)
string(1) "n"
bool(false)
bool(false)
int(0)
int(0)
bool(true)
bool(false)
string(1) "n"
int(0)
bool(false)
bool(true)
array(1) {
["n"]=>
int(2)
}
- Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
- key
array(1) {
["n"]=>
int(2)
}
ukey
int(0)
string(1) "n"
bool(true)
bool(false)
int(0)
int(0)
bool(true)
bool(false)
string(1) "n"
int(0)
bool(true)
bool(false)
array(0) {
}
- Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
- key
array(2) {
["0"]=>
int(1)
["n"]=>
int(2)
}
ukey
string(1) "0"
string(1) "n"
bool(false)
bool(false)
string(1) "0"
int(0)
bool(true)
bool(false)
string(1) "n"
int(0)
bool(true)
bool(false)
array(0) {
}
- Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
- key
array(2) {
["0"]=>
int(1)
["n"]=>
int(2)
}
ukey
string(1) "n"
string(1) "0"
bool(false)
bool(true)
string(1) "0"
int(0)
bool(true)
bool(false)
string(1) "n"
int(0)
bool(true)
bool(false)
array(0) {
}
preferences:
214.42 ms | 402 KiB | 330 Q