My PHP handler for Mailgun webhooks receives no POST output. The logging code (below) fails to write received data. What could be overlooked?
if ($_SERVER['REQUEST_METHOD'] === 'POST' && !empty($_POST)) {
$record = print_r($_POST, true);
file_put_contents('data.log', $record);
}
The situation sounds like it might be related to reading the right input stream. I once encountered a similar issue where the expected POST data was never populated using the standard superglobal. Depending on the content type of the webhook payload, PHP might not automatically populate $_POST. I switched to using file_get_contents(‘php://input’) to capture the raw payload, which solved the issue. It is also important to verify that the log file has correct write permissions and that no errors in the PHP configuration are interfering with data capture.
hey, check if mailgun sends json so $_post remains empty. sometimes reading php://input works better. also make sure u are actually receiving the webhook call, cuz a firewall or misconfig may silently drop the data.
My experience with Mailgun webhooks taught me that the payload format might not always be what PHP expects when using the default mechanisms. In one instance, I discovered that the data arrived as a JSON string in the request body instead of traditional form data, leaving the $_POST array empty. Switching to using file_get_contents(‘php://input’) and then decoding the JSON helped me resolve the issue. It may also be useful to include explicit error logging within your script to capture any subtle issues in the request processing.
In my own experience, careful checking of the web server and PHP settings clarified much of the problem. I discovered that sometimes, a device like a proxy or even middleware in a framework might read and alter the input stream before the script gets it, leaving $_POST empty. The best approach was initially to log the raw post content using file_get_contents(‘php://input’), then decode accordingly. Additionally, verifying that PHP’s configuration hasn’t been altered for specific MIME types helped resolve the issue.
hey, maybe it isnt the code but file perms blocking writes. also, mailgun might be sending json, so $_post remains empty. try checking your log dir and reading php://input to see if data’s coming thru. had this happen before, and it fixed things.