array_uintersect_uassoc
array_unique
Array Functions
PHP Manual

# array_uintersect

(PHP 5)

array_uintersect — Computes the intersection of arrays, compares data by a callback function

### Description

array array_uintersect ( array `$array1` , array `$array2` [, array `$ ...` ], callback `$data_compare_func` )

Computes the intersection of arrays, compares data by a callback function.

### Parameters

`array1`

  The first array.

`array2`

  The second array.

`data_compare_func`

  The callback comparison function.

  The user supplied callback function is used for comparison. 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.

### Return Values

Returns an array containing all the values of `array1` that are present in all the arguments.

### Examples

Example #1 array_uintersect() example

`<?php
$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
$array2 = array("a" => "GREEN", "B" => "brown", "yellow", "red");
print_r(array_uintersect($array1, $array2, "strcasecmp"));
?>`

The above example will output:

    Array
    (
        [a] => green
        [b] => brown
        [0] => red
    )

### See Also

- array_intersect()
- array_intersect_assoc()
- array_uintersect_assoc()
- array_uintersect_uassoc()

array_uintersect_uassoc
array_unique
Array Functions
PHP Manual