id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
16464	get_term_by() returns WP_Error as well	hakre		"It's not documented, but get_term_by() can return WP_Error as well in case it fails.

Code that checks for the return value only against being not empty is doing short as WP_Error never is empty.

The result are most often undefined property warnings."	defect (bug)	closed	normal	3.1.1	Warnings/Notices	3.0	normal	fixed