(PHP 5, PHP 7)
array_diff_uassoc — 锟斤拷锟矫伙拷锟结供锟侥回碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥差集
$array1
, array $array2
[, array $...
], callable $key_compare_func
) : array
锟皆憋拷锟斤拷 array1 锟斤拷 array2 锟斤拷锟斤拷锟截诧拷同之锟斤拷锟斤拷
注锟斤拷锟�
array_diff() 锟斤拷同锟斤拷锟角硷拷锟斤拷也锟斤拷锟节比较★拷
锟斤拷 array_diff_assoc() 锟斤拷同锟斤拷锟斤拷使锟斤拷锟斤拷锟矫伙拷锟皆讹拷锟斤拷幕氐锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷玫暮锟斤拷锟斤拷锟�
array1锟斤拷锟饺较碉拷锟斤拷锟斤拷
array2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫比斤拷
...锟斤拷锟斤拷冉系锟斤拷锟斤拷锟�
key_compare_func锟节碉拷一锟斤拷锟斤拷锟斤拷小锟节ｏ拷锟斤拷锟节伙拷锟斤拷诘诙锟斤拷锟斤拷锟斤拷锟绞憋拷锟斤拷帽冉虾锟斤拷锟斤拷锟斤拷锟斤拷锟接︼拷胤锟斤拷锟揭伙拷锟叫★拷冢锟斤拷锟斤拷诨锟斤拷锟斤拷 0 锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷一锟斤拷 array锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
array1 锟叫碉拷锟角诧拷锟斤拷锟轿猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷值锟斤拷
Example #1 array_diff_uassoc() 锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� "a" => "green" 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷瞬锟斤拷诤锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷锟斤拷锟斤拷 0 => "red" 却锟斤拷锟斤拷锟斤拷校锟斤拷锟轿拷诙锟斤拷锟斤拷锟斤拷锟斤拷械锟� "red" 锟侥硷拷锟斤拷锟斤拷 1锟斤拷
<?php
function key_compare_func($a, $b)
{
if ($a === $b) {
return 0;
}
return ($a > $b)? 1:-1;
}
$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
$array2 = array("a" => "green", "yellow", "red");
$result = array_diff_uassoc($array1, $array2, "key_compare_func");
print_r($result);
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
Array
(
[b] => brown
[c] => blue
[0] => red
)
The equality of 2 indices is checked by the user supplied callback function.
Note:
注锟解本锟斤拷锟斤拷只锟斤拷锟斤拷硕锟轿拷锟斤拷锟斤拷械锟揭晃拷锟斤拷锟饺伙拷锟斤拷锟斤拷锟� array_diff_uassoc($array1[0], $array2[0], "key_compare_func"); 锟斤拷锟斤拷锟斤拷锟轿拷取锟�