Are there best practices for handling long-running scripts that may encounter connection problems in PHP and MySQL?

Long-running scripts in PHP that interact with MySQL databases may encounter connection problems due to timeouts or other issues. To handle this, it's important to implement error handling and retry mechanisms in the script to gracefully handle connection problems and prevent script failures.

<?php

// Attempt to establish a connection to the MySQL database
$connection = mysqli_connect("localhost", "username", "password", "database");

// Retry the connection if it fails
$retryCount = 0;
while (!$connection && $retryCount < 3) {
    $retryCount++;
    sleep(1); // Wait for 1 second before retrying
    $connection = mysqli_connect("localhost", "username", "password", "database");
}

// Check if the connection was successful
if (!$connection) {
    die("Failed to connect to MySQL: " . mysqli_connect_error());
}

// Continue with the rest of the script
// ...

mysqli_close($connection);

?>