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wordpress - Can I set a $_REQUEST variable in PHP?

Hey everyone,

I have a question regarding WordPress and PHP. I am working on a project where I need to set a `$_REQUEST` variable in PHP. I have been exploring the WordPress documentation and various forums, but I'm unable to find a clear answer.

To provide some context, I am currently developing a custom WordPress plugin where I need to pass a value to a function using the `$_REQUEST` variable. I have tried using `$_REQUEST['variable_name'] = $variable_value;`, but it doesn't seem to work as expected.

I have also tried alternatives like `$_POST['variable_name']` and `$_GET['variable_name']`, but I specifically need to use the `$_REQUEST` variable.

If any of you have experience with WordPress and PHP, I would greatly appreciate your guidance on this matter. Is there a specific way to set the `$_REQUEST` variable in WordPress? Am I missing something important here?

Thank you in advance for your help!

All Replies


Hey there,

I've worked with WordPress and PHP extensively, and I can definitely help shed some light on this issue. In WordPress, the `$_REQUEST` variable should typically be available for use just like in regular PHP.

In your case, setting a value to the `$_REQUEST` variable should indeed be possible. However, it's worth noting that `$_REQUEST` combines the values from `$_GET`, `$_POST`, and `$_COOKIE`, so it might be a good idea to check the order of precedence for the variables you are working with.

One thing to keep in mind is that if you are trying to set the `$_REQUEST` variable within a WordPress action or filter hook, it might not work as expected. In such cases, try setting the value outside of the hook and then access it within the hook using `global $variable_name` to make it available.

Additionally, ensure that you are setting the `$_REQUEST` variable before it is used or accessed. If you are encountering issues, it could be due to the order in which your code is executing.

Hope this helps! Give it a try and let me know if you have any further questions or run into any more issues.


Hey there,

I've encountered a similar situation while working on a WordPress project, and I believe I can provide some insights based on my personal experience.

Setting a value to the `$_REQUEST` variable in WordPress is quite straightforward. You can use the following approach:

$_REQUEST['variable_name'] = $variable_value;

However, there are a few things you should keep in mind. Firstly, make sure you are setting the `$_REQUEST` variable after the request data has been processed, typically at the beginning of your code or before it is used.

Secondly, be cautious when using the `$_REQUEST` variable, as it combines values from `$_GET`, `$_POST`, and `$_COOKIE`. This means if there are conflicting values for the same key across these arrays, the precedence will depend on the specific scenario.

Lastly, remember to sanitize and validate any user input being assigned to the `$_REQUEST` variable to ensure security and prevent potential vulnerabilities.

If you are still facing issues, please provide more details about your code setup, such as where you are trying to set the `$_REQUEST` variable and how you are trying to access it. This additional information will help the community provide more targeted assistance.

Feel free to ask if you have any further questions. Good luck with your WordPress plugin development!

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