Current sea level rise - wikipedia, the free encyclopedia, This article is about the current and future rise in sea level associated with global warming. for sea level changes in earth's history, see sea level.. Mammal - wikipedia, the free encyclopedia, Varying definitions, varying dates . in an influential 1988 paper, timothy rowe defined mammalia phylogenetically as the crown group mammals, the clade consisting of. Php: date - manual - php: hypertext preprocessor, Parameters. format. the format of the outputted date string. see the formatting options below. there are also several predefined date constants that may be used.