PHP Function array_uintersect()

Syntax

array_uintersect ( $array1, $array2 [, $array3 ..., $data_compare_func] );

Definition and Usage

This function returns an array containing all the values of array1 that are present in all the arguments. The data is compared by using a callback function.

Paramters

Parameter	Description
array1	Required. Specifies an array.
array2	Required. Specifies an array to be compared with the first array.
array3	Optional. Specifies an array to be compared with the first array.
data_compare_func	Required. The name of the user-made function.

Example

Try out following 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")); ?>

This will produce following result:

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