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I have several blogs, can I re-use single API-key for all of them, or should I obtain separate key for each of this blogs?

For simplisity and ease of use you are required to obtain API-key only once, then you can re-use it on any number of WordPress installations. Moreover, if in future UMapper would add support for other platforms, such as Joomla, you would be able to reuse the very same key for them too.

What PHP and WordPress versions are required to successfully run the plugin?

Plugin was tested to run with following versions:

• PHP 5.2.5 (with curl module enabled)
• WordPress 2.5.1
• JS is enabled in browser

Plugin will NOT work with PHP4, if you are still using it, consider upgrading - it's really the time PHP4 gives way to PHP5.

Which browsers have been tested and fully support the plugin?

Here is the list:

• Firefox 3
• IE 7
• Apple Safari 3
• Opera 9

I am getting "parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in Umapper.php.." error. What causes it?

You are using PHP4 and PHP5 is required to run the plugin.

What is the exact code I need to use to add UMapper maps in my posts?

You do not need to type the code manually, UMapper was designed to be as simple as possible. Just navigate to post edit page and click the U button (it is located in Add Media block) to open user-friendly map addition window.

Am I required to get an account on UMapper and why would I need one?

Yes, you are required to obtain account on UMapper. The reason is simple - by registering an account you obtain API-key which serves as a bridge between your WP installations and UMapper API. As UMapper strives to become really universal, single account registration would be enough to power any number of WP blogs, as well as any other platforms we would support in future.

What about WordPress MU?

Plugin should work w/o problems.

Where maps are stored?

Map data is stored on UMapper's servers. You can restrict access to your maps on UMapper site, by logging into your account and editing map preferences.

Can I use my maps on pages as well as blog posts?

Yes.

Can I request/suggest a feature and how long does it normally take to be implemented?

Feature requests and bug submissions should go through UMapper's Google Group. UMapper is under heavy development and it normally takes 2-3 days for a new features, and about 12 (generally less) hours for bug requests. So, please, take your time and help us building better UMapper!

Can I edit map once it is created?

Absolutely. Starting from version 1.3 you can just select previously added [umap] tag and hit UMapper media button - new window would contain your previously added map.