(PHP 4 >= 4.0.1, PHP 5, PHP 7)
array_intersect — 锟斤拷锟斤拷锟斤拷锟斤拷慕锟斤拷锟�
$array1
, array $array2
[, array $...
] ) : array
array_intersect() 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锟斤拷锟�
array1 锟斤拷也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碉拷值锟斤拷注锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷洹�
array1要锟斤拷锟斤拷锟斤拷锟介，锟斤拷为锟斤拷值锟斤拷
array2要锟斤拷锟皆比碉拷锟斤拷锟介。
...要锟皆比碉拷锟斤拷锟斤拷锟叫憋拷
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锟斤拷锟�
array1 锟斤拷也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碉拷值锟斤拷
Example #1 array_intersect() 锟斤拷锟斤拷
<?php
$array1 = array("a" => "green", "red", "blue");
$array2 = array("b" => "green", "yellow", "red");
$result = array_intersect($array1, $array2);
print_r($result);
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
Array
(
[a] => green
[0] => red
)
Note: 锟斤拷锟斤拷锟斤拷元锟斤拷锟斤拷 (string) $elem1 === (string) $elem2 时锟斤拷锟斤拷为锟斤拷锟斤拷同锟侥★拷也锟斤拷锟斤拷说锟斤拷锟斤拷锟街凤拷锟斤拷锟侥憋拷锟斤拷锟揭伙拷锟斤拷锟绞憋拷锟�