What are some best practices for efficiently querying and displaying date-based data in PHP?

When querying and displaying date-based data in PHP, it is important to use SQL functions like DATE_FORMAT to manipulate date formats efficiently. Additionally, using prepared statements can help prevent SQL injection attacks. Finally, consider using PHP's DateTime class to easily manipulate and format dates in your code.

// Example of querying and displaying date-based data in PHP

// Establish a database connection
$pdo = new PDO("mysql:host=localhost;dbname=mydatabase", "username", "password");

// Prepare a SQL query to retrieve date-based data
$stmt = $pdo->prepare("SELECT * FROM my_table WHERE DATE_FORMAT(date_column, '%Y-%m-%d') = :date");

// Bind the date parameter
$date = date('Y-m-d');
$stmt->bindParam(':date', $date);

// Execute the query
$stmt->execute();

// Fetch and display the results
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
    echo $row['date_column'] . "<br>";
}

// Close the database connection
$pdo = null;