How can a PHP developer create a countdown that redirects to another page upon completion?

To create a countdown in PHP that redirects to another page upon completion, the developer can use JavaScript to handle the countdown functionality and the redirection. The PHP script can output the necessary JavaScript code to create the countdown timer and redirect the user to the desired page after the countdown reaches zero. 

<?php
// Output the necessary JavaScript code for countdown and redirection
echo '<script>
var countdown = 10; // Set the countdown duration in seconds
var redirectUrl = "https://www.example.com"; // Set the URL to redirect to

function startCountdown() {
  var timer = setInterval(function() {
    countdown--;
    if (countdown <= 0) {
      clearInterval(timer);
      window.location.href = redirectUrl; // Redirect to the specified URL
    }
  }, 1000); // Update countdown every second
}

startCountdown();
</script>';
?>

Keywords

PHP countdown redirect timer header

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