Replace deprecated get_all_options filter with an action

[RavanH]

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Summary

Hi, this get_all_options filter has apparently been deprecated and does not allow getting all options anymore. And as far as I can figure, there is no alternative wrapper function available...

Motivation

For effective persistant options caching, plugins like APC Cache and YAPCache depended on the get_all_options filter. This filter has apparently been deprecated and does not allow getting all options anymore. This is needed to populate the cache.

Describe the solution

On includes/Database/Options.php line 78 there is currently yourls_apply_filter('get_all_options', 'deprecated');

What if that was replaced with yourls_do_action('get_all_options', $options); then a cache plugin could hook there and fetch all options at that time to populate the persistant cache.

[RavanH]

Unless the idea is top move all actions (and deprecated filter) in the Options class to their corresponding wrapper functions? In that case, I'll be happy to work on that :)