(PHP 5 >= 5.5.0, PHP 7)
DateTimeImmutable::createFromFormat -- date_create_immutable_from_format — Returns new DateTimeImmutable object formatted according to the specified format
Object oriented style
$format
   , string $time
   [, DateTimeZone $timezone
  ] )Procedural style
$format
   , string $time
   [, DateTimeZone $timezone
  ] )Like DateTime::createFromFormat() but works with DateTimeImmutable.