DateTimeImmutable::createFromFormat
date_create_immutable_from_format
(PHP 5 >= 5.5.0, PHP 7)
DateTimeImmutable::createFromFormat -- date_create_immutable_from_format — Parses a time string according to a specified format
说明
面向对象风格
   public static DateTimeImmutable::createFromFormat
    ( string 
  $format
   , string $time
   [, DateTimeZone $timezone
  ] ) : DateTimeImmutable过程化风格
   date_create_immutable_from_format
    ( string 
  $format
   , string $time
   [, DateTimeZone $timezone
  ] ) : DateTimeImmutableLike DateTime::createFromFormat() but works with DateTimeImmutable.