(PHP 5 >= 5.5.0, PHP 7, PHP 8)
date_create_immutable — create a new DateTimeImmutable object
$datetime = "now", ?DateTimeZone $timezone = null): DateTimeImmutable|falseThis is the procedural version of DateTimeImmutable::__construct().
   Unlike the DateTimeImmutable constructor, it will return
   false instead of an exception if the passed in
   datetime string is invalid.
  
   Returns a new DateTimeImmutable instance  o false in caso di fallimento
  
