I doubt its a PHP.ini problem, could be a conflict with one of your existing plugins. Try removing or deactivating them and see if it helps.

Bill

Are you sure you are looking at the right php.ini file, that is 256MB exhausted?

Could there be more then one php.ini? Also is it a shared host and what is your max memory limit allowed?

What it means is your wp installation plus all plugins plus the data you are moving is too big to be put into the memory at once so the advice given above still stands.

You definitely want to contact your host support or check the docs to sort out these issues such as you max memory limit.

To see where the active php.ini is located create a file with the contents below on your server and load it in your browser. Delete it after you view it!

<?php echo phpinfo() ?>

Look for the line: Loaded Configuration File

Remember to delete it after it is no longer needed.

you should set memory limit before the script

Create a php file with this:

Then open this file in your browser. It will tell you which php.ini is actually being used. Increase the PHP memory limit there.

[DELETED]