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The DateTimeInterface interface

(PHP 5 >= 5.5.0, PHP 7)

简介

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.

类摘要

DateTimeInterface {
public DateInterval diff ( DateTimeInterface $datetime2 [, bool $absolute = false ] )
public string format ( string $format )
public int getOffset ( void )
public int getTimestamp ( void )
public DateTimeZone getTimezone ( void )
public __wakeup ( void )
}

更新日志

版本 说明
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.

Table of Contents

  • DateTime::diff — Returns the difference between two DateTime objects
  • DateTime::format — Returns date formatted according to given format
  • DateTime::getOffset — Returns the timezone offset
  • DateTime::getTimestamp — Gets the Unix timestamp
  • DateTime::getTimezone — Return time zone relative to given DateTime
  • DateTime::__wakeup — The __wakeup handler
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