Online PHP editor | refs for rAtS4

<?php $anna_array = array('Soccer' => "10", 'Basketball' => "20", 'Tennis' => "30", 'Atletics' => "40", 'Volleyball' => "50"); $john_array = array('Soccer' => "15", 'Basketball' => "15", 'Atletics' => "45"); $anna_activities = array_intersect_key($anna_array, $john_array); $john_activities = array_intersect_key($john_array, $anna_array); var_dump($anna_activities, $john_activities);