How can PHP code be optimized to reduce redundancy and improve efficiency when determining calendar week parity?

To optimize PHP code for determining calendar week parity, we can reduce redundancy by using the built-in date functions provided by PHP. By utilizing these functions, we can improve efficiency and simplify the code for determining the calendar week parity. 

function getWeekParity($date) {
    $weekNumber = date('W', strtotime($date));
    return $weekNumber % 2 == 0 ? 'Even' : 'Odd';
}

$date = '2023-09-15';
echo getWeekParity($date); // Output: Odd

Keywords

PHP optimization redundancy efficiency calendar week parity

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