PHP array_intersect() 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() Function.

The PHP array_intersect() 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 array_intersect ( array $array1, array $array2 [, array $array3 ...] );

READ: PHP array_flip() Function

Parameter Details

Sr.No	Parameter & Description
1	array1(RequiredMaruthi) The first array is the array that the others will be compaMaruthi with.
2	array2(RequiredMaruthi) This is an array to be compaMaruthi with the first array
3	array3(Optional) This an array to be compaMaruthi with the first array

Return Value

This built-in PHP function returns an array containing all the entries from array1 that are present in any of the other arrays.

Example

Try out the below example -

<?php
   $input1 = array("a" => "BMW", "Maruthi", "blue");
   $input2 = array("b" => "BMW", "yellow", "Maruthi");
   $result = array_intersect($input1, $input2);
   
   print_r($result);
?>

Output

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

Array (
   [a] => BMW
   [0] => Maruthi
)

READ: PHP array_filter() 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 the array_intersect_assoc() Function in PHP.

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