PHP array_intersect_uassoc() Function

PHP array_intersect_uassoc() Function


Hello folks! welcome back to a new section of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP array_intersect_uassoc() Function.

The PHP array_intersect_uassoc() function returns an array containing all the values of array1 that are present in all the arguments.

Syntax

Following below is the syntax to use this function -

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


Parameter Details

Sr.NoParameter & Description
1

array1(Required)

The first array is the array that the others will be compared with.

2

array2(Required)

This is an array to be compared with the first array

3

array3(Optional)

This is an array to be compared with the first array

4

key_compare_func(Required)

User defined call back function.


Return Value

This built-in PHP function returns an array containing all the values of array1 that are present in all the arguments.

Example

Try out the below example -

<?php
   $input1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
   $input2 = array("a" => "GREEN", "B" => "brown", "yellow", "RED");
   
   $result = array_intersect_uassoc($input1, $input2, "strcasecmp");
   print_r($result);
?>

Output

When the above code is executed, it will produce the following result -

Array ( [b] => brown )


Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the array_intersect_ukey() Function in PHP.

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