Is using a normal HTML redirection with PHP variables a better option than custom countdown scripts for time-based actions?

When implementing time-based actions in PHP, using a custom countdown script can be more reliable and flexible compared to using a normal HTML redirection with PHP variables. Custom countdown scripts allow for more control over the timing and execution of actions, ensuring that they occur exactly when needed. Additionally, custom scripts can provide a better user experience by allowing for more dynamic and interactive countdown displays.

<?php
// Set the target time for the action
$targetTime = strtotime('2022-01-01 00:00:00');
$currentTimestamp = time();

// Calculate the remaining time
$remainingTime = $targetTime - $currentTimestamp;

// Redirect the user after the countdown
if ($remainingTime <= 0) {
    header('Location: target_page.php');
    exit;
}

// Display the countdown
echo "Redirecting in " . $remainingTime . " seconds...";