gnu-social/extlib/MDB2/Date.php

<?php
// +----------------------------------------------------------------------+
// | PHP versions 4 and 5                                                 |
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// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox,                 |
// | Stig. S. Bakken, Lukas Smith                                         |
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// +----------------------------------------------------------------------+
// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
// | API as well as database abstraction for PHP applications.            |
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// | 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 |
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// | written permission.                                                  |
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// +----------------------------------------------------------------------+
// | 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;
    }
    // }}}
}

?>