Filters a specific transient before its value is set.

Filters the value of an existing network option before it is retrieved.

Filters the value of an existing site transient before it is retrieved.

Filters the value of an existing transient before it is retrieved.

Filters a specific option before its value is (maybe) serialized and updated.

Filters a specific network option before its value is updated.

Fires after a new user registration has been recorded.

Filters the arguments for registering a post type.

Filters the arguments for registering a taxonomy.

Filters the respond link when a post has no comments.