PHP array_intersect() function usage and example

PHP Array Function Manual

PHP array_intersect() function calculates the intersection of arrays

Syntax

array array_intersect ( array $array1, array $array2　, array $array3　];

Definition and Usage

The array_intersect() function is used to compare the keys and values of two (or more) arrays and return the intersection.
The function compares the keys and values of two (or more) arrays and returns an intersection array that includes all the values in the compared arrays (array1) and also in any other parameter arrays (array2 or array3 etc.) of the keys.
Description
The array_intersect() function returns an intersection array of two or more arrays.
The result array includes all the values that are in the compared arrays, as well as in all other parameter arrays, with the key names unchanged.
Note:Only values are used for comparison.

Parameter

Return Value

Returns an intersection array that includes all the values that are in the compared arrays (array1) and also in any other parameter arrays (array2 or array3 etc.) of the keys.

Online Example

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

Output Result:

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

　PHP Array Function Manual