Online PHP editor | output for CU24b

<?php $anna_array = array("soccer" => "10", "basketball" => "20", "atletics" => "40"); $john_array = array("soccer" => "15", "basketball" => "15", "atletics" => "45"); $common_sports = array_keys(array_intersect_key($anna_array, $john_array)); $points_anna_array = $points_john_array = array_fill_keys($common_sports, 0); foreach ($common_sports as $common_sport) { if ($anna_array[$common_sport] > $john_array[$common_sport]) { $points_anna_array[$common_sport]++; } else if ($anna_array[$common_sport] < $john_array[$common_sport]) { $points_john_array[$common_sport]++; } } foreach ($common_sports as $common_sport) { echo sprintf( 'Anna(%s) %d vs John(%s) %d'."\n", $common_sport, $points_anna_array[$common_sport], $common_sport, $points_john_array[$common_sport] ); }