PHP : array_intersect_uassoc() function
Description
The array_intersect_uassoc() function is used to compare two or more arrays with an additional user supplied function. It returns an array containing the keys that are not present in other arrays subject to user define function allows. It must return an integer less than, equal to, or greater than zero if the first argument is considered to be respectively less than, equal to, or greater than the second.
Version
(PHP 4 and above)
Syntax
array_intersect_uassoc(array1, array2, array3 ..., user_function)
Parameters
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| array1 | The specified array which will be compared with other arrays. | Required | Array |
| array2 | Compared with the first array. | Required | Array |
| array3 | Compared with the first array. | Optional | |
| user_function | A function to do the comparison. | Required | - |
Return value
The values of array1 whose values exist in all of the arguments.
Value Type : Array
Pictorial Presentation :
Example :
<?php
$array1 = array("a" => "Orange", "b" => "Apple", "c" => "Banana", "Chery");
$array2 = array("A" =>"Orange", "b" => "Banana","Mango");
$result = var_dump(array_intersect_uassoc($array1, $array2,"strcasecmp"));
print_r($result)
?>
Output :
array(1) { ["a"]=> string(6) "Orange" }
View the example in the browser
See also
