How important is it to stay updated on the latest PHP standards and best practices when developing websites?

It is crucial to stay updated on the latest PHP standards and best practices when developing websites to ensure code efficiency, security, and maintainability. By following industry standards and best practices, developers can write cleaner, more organized code that is easier to debug and maintain in the long run.

// Example of using PHP 7 strict typing and type declarations
declare(strict_types=1);

function addNumbers(int $a, int $b): int {
    return $a + $b;
}

$result = addNumbers(5, 10);
echo $result; // Output: 15