(PHP 5 >= 5.1.0, PHP 7)
array_intersect_ukey — 锟矫回碉拷锟斤拷锟斤拷锟饺较硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷慕锟斤拷锟�
$array1
, array $array2
[, array $...
], callable $key_compare_func
) : array
array_intersect_ukey() 锟斤拷锟斤拷一锟斤拷锟斤拷锟介，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谐锟斤拷锟斤拷锟�
array1 锟叫诧拷同时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫的硷拷锟斤拷锟斤拷值锟斤拷
array1Initial array for comparison of the arrays.
array2First array to compare keys against.
...Variable list of array arguments to compare keys against.
key_compare_func锟节碉拷一锟斤拷锟斤拷锟斤拷小锟节ｏ拷锟斤拷锟节伙拷锟斤拷诘诙锟斤拷锟斤拷锟斤拷锟绞憋拷锟斤拷帽冉虾锟斤拷锟斤拷锟斤拷锟斤拷锟接︼拷胤锟斤拷锟揭伙拷锟叫★拷冢锟斤拷锟斤拷诨锟斤拷锟斤拷 0 锟斤拷锟斤拷锟斤拷锟斤拷
Returns the values of array1 whose keys exist
in all the arguments.
Example #1 array_intersect_ukey() 锟斤拷锟斤拷
<?php
function key_compare_func($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);
$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
var_dump(array_intersect_ukey($array1, $array2, 'key_compare_func'));
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
array(2) {
["blue"]=>
int(1)
["green"]=>
int(3)
}
锟斤拷锟斤拷锟叫匡拷锟皆匡拷锟斤拷只锟斤拷 'blue'
锟斤拷 '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锟斤拷锟斤拷锟叫ｏ拷锟斤拷吮锟斤拷锟斤拷亍锟斤拷锟斤拷锟阶拷锟�
'blue' 锟斤拷 'green'
锟斤拷值锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角诧拷同锟侥★拷锟斤拷锟斤拷为只锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷嘶锟斤拷锟狡ワ拷洹ｏ拷锟斤拷氐锟街抵伙拷锟�
array1 锟叫的★拷