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PHP refresh() function (with example)

Hey everyone,

I'm working on a PHP project and I came across the 'refresh()' function, but I'm not quite sure how it works. Can someone please explain its use with an example?

To give you some context, I'm building a website where users can submit forms. After the form is submitted, I want the page to refresh automatically so that the user sees a confirmation message. I heard that the 'refresh()' function could help achieve this, but I'm not sure how to implement it correctly.

Any insights or examples would be greatly appreciated! Thank you in advance.

All Replies


Hey there,

I can definitely help you out with understanding the 'refresh()' function in PHP. It's actually not a built-in function, but a method you can use to achieve a page refresh.

In PHP, you can use the 'header' function along with the 'refresh' parameter to refresh a page after a certain time interval. The 'header' function is used to send raw HTTP headers, and the 'refresh' parameter lets you specify how long the delay should be before the page is refreshed.

Here's an example to give you a better idea:

echo "Congratulations! Your form has been submitted successfully.";

// Wait for 3 seconds and then refresh the page
exit(); // Make sure to exit after calling the header function

In this example, the message "Congratulations! Your form has been submitted successfully." is displayed and then after a 3-second delay, the page is automatically refreshed and redirected to the 'confirmation.php' page.

It's important to note that the 'header' function should be called before any other output, including any whitespace or HTML tags. Otherwise, it won't work as expected.

I hope this helps! Let me know if you have any further questions or need more clarification.


Hey there,

I understand your query about the 'refresh()' function in PHP. While the previous response provides an example using the 'header' function, I'd like to share an alternative approach that doesn't require using HTTP headers for page refresh.

Instead of using the 'refresh()' function, you can achieve the desired result using JavaScript. Let me explain how:

1. First, you need to embed some JavaScript code within your PHP file. You can do this by enclosing the JavaScript code within the `<script>` tags.

2. Use the 'window.location.reload()' method to reload the current page. This method triggers a full refresh of the page.

Here's an example to illustrate this approach:

echo "Your form has been successfully submitted. Please wait for the page to refresh.";

// Embedding JavaScript code within PHP
echo "<script type='text/javascript'>
}, 3000); // Refresh after a 3-second delay

In this example, after displaying the success message using the 'echo' statement, the JavaScript code inside `<script>` tags comes into play. It sets a timeout of 3 seconds using the 'setTimeout()' function and then triggers the 'window.location.reload()' method to refresh the page.

By using JavaScript for page refresh, you have more flexibility and control over the timing and behavior. This approach is commonly used in situations where you need to display a success message or perform some additional actions before refreshing the page.

I hope this alternative method helps! If you have any more questions or need further assistance, feel free to ask.

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