How can one efficiently store each game day alongside its respective game pairings in a multidimensional array in PHP?

To efficiently store each game day alongside its respective game pairings in a multidimensional array in PHP, you can create an associative array where the keys represent the game day and the values are arrays containing the game pairings for that day.

$gameDays = array(
    "Day 1" => array("Team A vs Team B", "Team C vs Team D"),
    "Day 2" => array("Team A vs Team C", "Team B vs Team D"),
    // Add more game days and pairings as needed
);

// Accessing game pairings for Day 1
$day1Pairings = $gameDays["Day 1"];
foreach ($day1Pairings as $pairing) {
    echo $pairing . "\n";
}