What are potential reasons for POST data not being received in PHP?

One potential reason for POST data not being received in PHP could be due to the form method being incorrectly set to GET instead of POST. Another reason could be that the form action attribute is pointing to the wrong PHP file or URL. Additionally, there could be an issue with the server configuration or PHP settings that are preventing the POST data from being processed correctly. 

```php
<form method="post" action="process_form.php">
    <!-- form fields here -->
</form>
```

Make sure the form method is set to "post" and the action attribute points to the correct PHP file where the POST data should be processed. Additionally, check the server configuration and PHP settings to ensure they are properly configured to handle POST requests.

Keywords

PHP POST data form submission $_POST server-side processing

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