How can the date be handled more efficiently in the PHP code for database insertion?

When inserting dates into a database using PHP, it's more efficient to use the MySQL format 'YYYY-MM-DD' directly in the SQL query rather than converting the date format in PHP. This reduces the overhead of date manipulation in PHP and ensures consistency in date formatting.

// Assuming $date contains the date value to be inserted into the database
$date = date('Y-m-d', strtotime($date));

// SQL query to insert the date into the database
$sql = "INSERT INTO table_name (date_column) VALUES ('$date')";