gnu-social/extlib/MDB2/Date.php

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<?php
// +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
// | API as well as database abstraction for PHP applications. |
// | This LICENSE is in the BSD license style. |
// | |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | are met: |
// | |
// | Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | |
// | Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution. |
// | |
// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
// | Lukas Smith nor the names of his contributors may be used to endorse |
// | or promote products derived from this software without specific prior|
// | written permission. |
// | |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
// | POSSIBILITY OF SUCH DAMAGE. |
// +----------------------------------------------------------------------+
// | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
//
// $Id$
//
/**
* @package MDB2
* @category Database
* @author Lukas Smith <smith@pooteeweet.org>
*/
/**
* Several methods to convert the MDB2 native timestamp format (ISO based)
* to and from data structures that are convenient to worth with in side of php.
* For more complex date arithmetic please take a look at the Date package in PEAR
*
* @package MDB2
* @category Database
* @author Lukas Smith <smith@pooteeweet.org>
*/
class MDB2_Date
{
// {{{ mdbNow()
/**
* return the current datetime
*
* @return string current datetime in the MDB2 format
* @access public
*/
public static function mdbNow()
{
return date('Y-m-d H:i:s');
}
// }}}
// {{{ mdbToday()
/**
* return the current date
*
* @return string current date in the MDB2 format
* @access public
*/
public static function mdbToday()
{
return date('Y-m-d');
}
// }}}
// {{{ mdbTime()
/**
* return the current time
*
* @return string current time in the MDB2 format
* @access public
*/
public static function mdbTime()
{
return date('H:i:s');
}
// }}}
// {{{ date2Mdbstamp()
/**
* convert a date into a MDB2 timestamp
*
* @param int hour of the date
* @param int minute of the date
* @param int second of the date
* @param int month of the date
* @param int day of the date
* @param int year of the date
*
* @return string a valid MDB2 timestamp
* @access public
*/
public static function date2Mdbstamp($hour = null, $minute = null, $second = null,
$month = null, $day = null, $year = null)
{
return MDB2_Date::unix2Mdbstamp(mktime($hour, $minute, $second, $month, $day, $year, -1));
}
// }}}
// {{{ unix2Mdbstamp()
/**
* convert a unix timestamp into a MDB2 timestamp
*
* @param int a valid unix timestamp
*
* @return string a valid MDB2 timestamp
* @access public
*/
public static function unix2Mdbstamp($unix_timestamp)
{
return date('Y-m-d H:i:s', $unix_timestamp);
}
// }}}
// {{{ mdbstamp2Unix()
/**
* convert a MDB2 timestamp into a unix timestamp
*
* @param int a valid MDB2 timestamp
* @return string unix timestamp with the time stored in the MDB2 format
*
* @access public
*/
public static function mdbstamp2Unix($mdb_timestamp)
{
$arr = MDB2_Date::mdbstamp2Date($mdb_timestamp);
return mktime($arr['hour'], $arr['minute'], $arr['second'], $arr['month'], $arr['day'], $arr['year'], -1);
}
// }}}
// {{{ mdbstamp2Date()
/**
* convert a MDB2 timestamp into an array containing all
* values necessary to pass to php's date() function
*
* @param int a valid MDB2 timestamp
*
* @return array with the time split
* @access public
*/
public static function mdbstamp2Date($mdb_timestamp)
{
list($arr['year'], $arr['month'], $arr['day'], $arr['hour'], $arr['minute'], $arr['second']) =
sscanf($mdb_timestamp, "%04u-%02u-%02u %02u:%02u:%02u");
return $arr;
}
// }}}
}
?>