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 )