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PHP Function array_intersect_uassoc()

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Syntax

array_intersect_uassoc($array1, $array2 [, $array3 ..., callback $key_compare_func] );

Definition and Usage

Returns an array containing all the values of array1 that are present in all the arguments. Note that the keys are used in the comparison unlike in array_intersect().

Paramters

ParameterDescription
array1Required. The first array is the array that the others will be compared with.
array2Required. An array to be compared with the first array
array3Optional. An array to be compared with the first array
key_compare_funcRequired. User defined call back function.

Return Values

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

Example

Try out following example:

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

This will produce following result:

Array ( [b] => brown )
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