anchor.diff:      init_func/0,
       init_config/0,
       time/2,
  +    microtime/2,
  +    microtime/3,
       date/3,
       date/4,
       gmdate/3,
  
positive.code: time(_Context, _Line) ->
      {MS,S,_} = os:timestamp(),
      MS * 1000000 + S.
  
  -spec date(context(), line(), Format :: {variable(),binary()}) -> binary().
  
  
negative.code: -spec init_func() -> ephp_func:php_function_results().
  
  init_func() -> [
      time, date, gmdate, microtime,
      date_default_timezone_get,
      date_default_timezone_set
  ].
  