Ajax handler to restore a post from the Trash.

Ajax handler for updating whether to display the welcome panel.

Ajax handler for saving the widgets order.

Ajax handler for compression testing.

Ajax handler for saving posts from the fullscreen editor.

Ajax handler for internal linking.

Ajax handler for removing a post lock.

Extract a slice of an array, given a list of keys.

i18n-friendly version of basename().

Check the given subset of the post hierarchy for hierarchy loops.