How can the code provided be improved to accurately display the current week and menu for a restaurant?

The issue with the current code is that it is not accurately determining the current week of the year. To solve this, we can use the PHP `date()` function with the 'W' format to get the current week number. We can then use this week number to display the corresponding menu for the restaurant. 

$currentWeek = date('W');
$menu = [
    1 => "Menu for Week 1",
    2 => "Menu for Week 2",
    // Add more menus for each week as needed
];

echo "Current Week: Week $currentWeek\n";
echo "Menu for this week: " . $menu[$currentWeek];

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