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PHP Function array_uintersect()


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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

ParameterDescription
array1Required. Specifies an array.
array2Required. Specifies an array to be compared with the first array.
array3Optional. Specifies an array to be compared with the first array.
data_compare_funcRequired. 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
)

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