PHP array_intersect_assoc() 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_assoc() Function.

The PHP array_intersect_assoc() Function returns an array containing all the values of array1 that are present in all the arrays.

Syntax

Following below is the syntax to use this function -

array array_intersect_assoc ( array $array1, array $array2 [, array $array3 ...] );

READ: PHP array_flip() Function

Parameter Details

Sr.No	Parameter & 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

Return Value

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

Example

Try out the below example -

<?php
   $input1 = array("a" => "black", "red", "blue");
   $input2 = array("a" => "black", "yellow", "red");
   $result = array_intersect_assoc($input1, $input2);
   
   print_r($result);
?> 

Output

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

Array ( [a] => black )

READ: PHP array_intersect() Function

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 PHP array_intersect_key() Function.

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