Change Log 7.x-5.0.0 (14/02-2022) #2 DBC-1465 - Adaptation to PHP7.3+. (@bozeak) 7.x-1.9.6 (29/03-2013) #1 Return true even though the variables value is self::NULL. (@runephilosof) #1 Clarify the the comments a bit more (@runephilosof)