Filters whether a “hard” rewrite rule flush should be performed when requested.

Filters the date query WHERE clause.

Filters the upload quota for the current site.

Filters whether URL rewriting is available.

Filters which HTTP transports are available and in what order.

Filters the width of an image’s caption.

Filters API request arguments for each Add Plugins screen tab.

Filters API request arguments for each Install Themes screen tab.

Filters the audio and video metadata fields to be shown in the publish meta box.

Filters the ‘Months’ drop-down results.