(PHP 5 >= 5.1.0, PHP 7)
array_diff_ukey — 锟矫回碉拷锟斤拷锟斤拷锟皆硷拷锟斤拷锟饺较硷拷锟斤拷锟斤拷锟斤拷牟罴�
$array1
, array $array2
[, array $...
], callable $key_compare_func
) : array
array_diff_ukey() 锟斤拷锟斤拷一锟斤拷锟斤拷锟介，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谐锟斤拷锟斤拷锟�
array1
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array_diff() 锟斤拷同只锟斤拷锟剿比斤拷锟角革拷锟捷硷拷锟斤拷锟斤拷锟斤拷锟斤拷值锟斤拷锟斤拷锟叫的★拷
锟剿比斤拷锟斤拷通锟斤拷锟矫伙拷锟结供锟侥回碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫的★拷锟斤拷锟斤拷锟轿拷锟揭伙拷锟斤拷锟斤拷锟叫★拷冢锟斤拷锟斤拷冢锟斤拷锟斤拷锟节第讹拷锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷直鸱祷锟揭伙拷锟叫★拷锟斤拷悖拷锟斤拷锟斤拷悖拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
array1The array to compare from
array2An array to compare against
...More arrays to compare against
key_compare_func锟节碉拷一锟斤拷锟斤拷锟斤拷小锟节ｏ拷锟斤拷锟节伙拷锟斤拷诘诙锟斤拷锟斤拷锟斤拷锟绞憋拷锟斤拷帽冉虾锟斤拷锟斤拷锟斤拷锟斤拷锟接︼拷胤锟斤拷锟揭伙拷锟叫★拷冢锟斤拷锟斤拷诨锟斤拷锟斤拷 0 锟斤拷锟斤拷锟斤拷锟斤拷
Returns an array containing all the entries from
array1 that are not present in any of the other arrays.
Example #1 array_diff_ukey() 锟斤拷锟斤拷
<?php
function key_compare_func($key1, $key2)
{
if ($key1 == $key2)
return 0;
else if ($key1 > $key2)
return 1;
else
return -1;
}
$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
var_dump(array_diff_ukey($array1, $array2, 'key_compare_func'));
?>
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array(2) {
["red"]=>
int(2)
["purple"]=>
int(4)
}
Note:
注锟解本锟斤拷锟斤拷只锟斤拷锟斤拷硕锟轿拷锟斤拷锟斤拷械锟揭晃拷锟斤拷锟饺伙拷锟斤拷锟斤拷锟斤拷锟� array_diff_ukey($array1[0], $array2[0], 'callback_func'); 锟斤拷锟斤拷锟斤拷锟斤拷锟轿拷取锟�