(PHP 5 >= 5.5.0, PHP 7)
DateTimeInterface is meant so that both DateTime and DateTimeImmutable can be type hinted for. It is not possible to implement this interface with userland classes.
DateTimeInterface::ATOMDATE_ATOMDATE_COOKIEDateTimeInterface::ISO8601DATE_ISO8601Notă: This format is not compatible with ISO-8601, but is left this way for backward compatibility reasons. Use
DateTime::ATOMorDATE_ATOMfor compatibility with ISO-8601 instead.
DateTimeInterface::RFC822DATE_RFC822DateTimeInterface::RFC850DATE_RFC850DateTimeInterface::RFC1036DATE_RFC1036DateTimeInterface::RFC1123DATE_RFC1123DateTimeInterface::RFC2822DATE_RFC2822DateTimeInterface::RFC3339DATE_RFC3339DATE_ATOM (since PHP 5.1.3)
DateTimeInterface::RFC3339_EXTENDEDDATE_RFC3339_EXTENDEDDateTimeInterface::RSSDATE_RSSDateTimeInterface::W3CDATE_W3C
| Versiune | Descriere |
|---|---|
| 7.2.0 | The class constants of DateTime are now defined on DateTimeInterface. |
| 5.5.8 | Trying to implement DateTimeInterface raises a fatal error now. Formerly implementing the interface didn't raise an error, but the behavior was erroneous. |