In what situations should PHP developers consider restructuring their existing codebase to optimize performance and functionality when implementing new features like filtering data by month?

When implementing new features like filtering data by month, PHP developers should consider restructuring their existing codebase to optimize performance and functionality. This may involve refactoring code to improve efficiency, implementing caching mechanisms to reduce database queries, and utilizing appropriate data structures for faster data retrieval. 

// Example code snippet for filtering data by month using optimized code structure

// Function to retrieve data filtered by month
function getDataByMonth($month) {
    // Implement optimized database query to fetch data for the specified month
    $query = "SELECT * FROM data_table WHERE MONTH(date_column) = :month";
    
    // Execute query and return results
    // $pdo is assumed to be the database connection object
    $stmt = $pdo->prepare($query);
    $stmt->bindParam(':month', $month);
    $stmt->execute();
    
    return $stmt->fetchAll();
}

// Example usage
$data = getDataByMonth(5); // Retrieves data for May

Keywords

PHP codebase restructuring performance optimization data filtering date functions

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