How to Fix the WordPress \'POST Content-Length Exceeds Limit\' Error?

Resolving POST Content-Length Exceed Error in WordPress

WordPress users often encounter the error message "Warning: POST Content-Length of [byte limit] exceeds the limit of [byte limit] in Unknown on line 0" while importing data. This error occurs when the size of the uploaded content exceeds the server's specified limit.

To rectify this issue, you must understand the distinction between upload_max_filesize and post_max_size. upload_max_filesize determines the maximum file size that a user can upload, while post_max_size sets the limit for the total amount of data that can be transmitted via a POST request.

In your case, the error indicates that the post_max_size has been exceeded. To resolve this, you need to modify the php.ini file and increase the value of post_max_size.

Steps to Fix the Error:

1. Locate the php.ini file in your XAMPP installation directory.
2. Open the file using a text editor.
3. Find the following lines:

upload_max_filesize = 1000M
post_max_size = 8M

4. Change the value of post_max_size to a higher value, such as 20M or 50M.
5. Save the changes and restart your XAMPP server.

Explanation:

By increasing the post_max_size, you are allowing the server to handle larger data submissions via POST requests. Remember that upload_max_filesize limits the size of individual files, while post_max_size affects the total amount of data that can be sent in a single request.

Once these changes are implemented, the error should be resolved, and you should be able to successfully upload your import data.

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