(PHP 4 >= 4.3.0, PHP 5, PHP 7)
array_diff_assoc — 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牟罴�
$array1
, array $array2
[, array $...
] ) : array
array_diff_assoc() 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
array1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫比斤拷
array2锟斤拷锟饺较碉拷锟斤拷锟斤拷
...锟斤拷锟洁被锟饺较碉拷锟斤拷锟斤拷
Returns an array containing all the values from
array1 that are not present in any of the other arrays.
Example #1 array_diff_assoc() 锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锌锟斤拷钥锟斤拷锟斤拷锟街碉拷锟� "a" => "green" 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫讹拷锟叫ｏ拷锟斤拷瞬锟斤拷诒锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷锟斤拷瞬锟酵拷锟斤拷锟街碉拷锟� 0 => "red" 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷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
$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
$array2 = array("a" => "green", "yellow", "red");
$result = array_diff_assoc($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
(
[b] => brown
[c] => blue
[0] => red
)
Example #2 array_diff_assoc() example
锟斤拷值锟斤拷 key => value 锟叫碉拷锟斤拷锟斤拷值锟斤拷锟斤拷 (string) $elem1 === (string) $elem2 时锟斤拷锟斤拷为锟斤拷取锟揭诧拷锟斤拷锟剿凳癸拷锟斤拷锟斤拷细锟斤拷椋拷址锟斤拷锟斤拷谋锟斤拷锟斤拷锟斤拷锟酵拷锟�
<?php
$array1 = array(0, 1, 2);
$array2 = array("00", "01", "2");
$result = array_diff_assoc($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
(
[0] => 0
[1] => 1
)
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_assoc($array1[0], $array2[0]); 锟斤拷锟斤拷锟斤拷锟轿拷取锟�
Note: 使锟矫革拷锟斤拷募锟斤拷冉锟斤拷锟斤拷锟斤拷锟斤拷锟绞憋拷锟饺凤拷锟斤拷愦拷锟斤拷锟斤拷锟斤拷顺锟斤拷锟斤拷锟斤拷确锟侥★拷 锟铰碉拷锟斤拷锟斤拷应锟斤拷锟斤拷锟斤拷锟叫憋拷锟斤拷牡锟揭伙拷锟斤拷锟�