id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc,focuses 40519,Document that get_metadata() returns false for bad parameters,salcode,,"Currently the inline documentation for the return value for {{{get_metadata()}}} reads {{{ @return mixed Single metadata value, or array of values }}} I've noticed that if you pass in a post id of zero, you get a value of {{{false}}}. While the value of {{{false}}} falls under the category of ""mixed"", I would like to see it mentioned explicitly. If we make this change, we should do the same for any function that uses {{{get_metadata()}}}, e.g. {{{get_post_meta()}}} ",enhancement,closed,normal,5.5,"Options, Meta APIs",4.8,normal,fixed,has-patch needs-refresh,,docs