array_intersect_assoc() function in PHP

The array_intersect_assoc() function compares array values, and returns the matches.

Syntax

array_intersect_assoc(arr1, arr2, arr3,  arr4, …)

Parameters

• arr1 − Array to compare from. Required.

• arr2 − Array to compare against. Required.

• arr3 − You can add more arrays to compare. Optional.

• arr4 − You can add more arrays to compare. Optional.

Return

The array_intersect_assoc() function returns an array containing all of the values in the first array whose values exist in all of the parameters.

Example

<?php
   $arr1 = array("p"=>"headphone","q"=>"earpod","r"=>"charger");
   $arr2 = array("p"=>"headphone","q"=>"earpod");
   $res = array_intersect_assoc($arr1,$arr2);
   print_r($res);
?>

Output

Array 
(
   [p] => headphone
   [q] => earpod
)