mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-25 01:13:25 +01:00
164 lines
4.3 KiB
PHP
164 lines
4.3 KiB
PHP
<?php
|
|
/**
|
|
** date.php
|
|
**
|
|
** Takes a date and parses it into a usable format. The form that a
|
|
** date SHOULD arrive in is:
|
|
** <Tue,> 29 Jun 1999 09:52:11 -0500 (EDT)
|
|
** (as specified in RFC 822) -- 'Tue' is optional
|
|
**
|
|
** $Id$
|
|
**/
|
|
|
|
class transformdate
|
|
{
|
|
|
|
// corrects a time stamp to be the local time
|
|
function getGMTSeconds($stamp, $gmt)
|
|
{
|
|
global $invert_time;
|
|
|
|
if (($gmt == 'Pacific') || ($gmt == 'PST'))
|
|
$gmt = '-0800';
|
|
else if (($gmt == 'EDT'))
|
|
$gmt = '-0400';
|
|
else if (($gmt == 'Eastern') || ($gmt == 'EST') || ($gmt == 'CDT'))
|
|
$gmt = '-0500';
|
|
else if (($gmt == 'Central') || ($gmt == 'CST') || ($gmt == 'MDT'))
|
|
$gmt = '-0600';
|
|
else if (($gmt == 'Mountain') || ($gmt == 'MST') || ($gmt == 'PDT'))
|
|
$gmt = '-0700';
|
|
else if ($gmt == 'BST')
|
|
$gmt = '+0100';
|
|
else if ($gmt == 'EET')
|
|
$gmt = '+0200';
|
|
else if ($gmt == 'GMT')
|
|
$gmt = '+0000';
|
|
else if ($gmt == 'HKT')
|
|
$gmt = '+0800';
|
|
else if ($gmt == 'IST')
|
|
$gmt = '+0200';
|
|
else if ($gmt == 'JST')
|
|
$gmt = '+0900';
|
|
else if ($gmt == 'MET')
|
|
$gmt = '+0100';
|
|
else if ($gmt == 'MET DST' || $gmt == 'METDST')
|
|
$gmt = '+0200';
|
|
|
|
if (substr($gmt, 0, 1) == '-')
|
|
{
|
|
$neg = true;
|
|
$gmt = substr($gmt, 1, strlen($gmt));
|
|
}
|
|
else if (substr($gmt, 0, 1) == '+')
|
|
{
|
|
$neg = false;
|
|
$gmt = substr($gmt, 1, strlen($gmt));
|
|
}
|
|
else
|
|
$neg = false;
|
|
|
|
$gmt = substr($gmt, 0, 2);
|
|
$gmt = $gmt * 3600;
|
|
if ($neg == true)
|
|
$gmt = "-$gmt";
|
|
else
|
|
$gmt = "+$gmt";
|
|
|
|
/** now find what the server is at **/
|
|
$current = date('Z', time());
|
|
if ($invert_time)
|
|
$current = - $current;
|
|
$stamp = (int)$stamp - (int)$gmt + (int)$current;
|
|
|
|
return $stamp;
|
|
}
|
|
|
|
function getLongDateString($stamp)
|
|
{
|
|
return date('D, F j, Y g:i a', $stamp);
|
|
}
|
|
|
|
function getDateString($stamp)
|
|
{
|
|
|
|
global $invert_time;
|
|
|
|
$now = time();
|
|
$dateZ = date('Z', $now);
|
|
if ($invert_time)
|
|
$dateZ = - $dateZ;
|
|
$midnight = $now - ($now % 86400) - $dateZ;
|
|
|
|
if ($midnight < $stamp)
|
|
{
|
|
// Today
|
|
return date('g:i a', $stamp);
|
|
}
|
|
else if ($midnight - (60 * 60 * 24 * 6) < $stamp)
|
|
{
|
|
// This week
|
|
return date('D, g:i a', $stamp);
|
|
}
|
|
else
|
|
{
|
|
// before this week
|
|
return date('M j, Y', $stamp);
|
|
}
|
|
}
|
|
|
|
function getTimeStamp($dateParts)
|
|
{
|
|
/** $dateParts[0] == <day of week> Mon, Tue, Wed
|
|
** $dateParts[1] == <day of month> 23
|
|
** $dateParts[2] == <month> Jan, Feb, Mar
|
|
** $dateParts[3] == <year> 1999
|
|
** $dateParts[4] == <time> 18:54:23 (HH:MM:SS)
|
|
** $dateParts[5] == <from GMT> +0100
|
|
** $dateParts[6] == <zone> (EDT)
|
|
**
|
|
** NOTE: In RFC 822, it states that <day of week> is optional.
|
|
** In that case, dateParts[0] would be the <day of month>
|
|
** and everything would be bumped up one.
|
|
**/
|
|
|
|
// Simply check to see if the first element in the dateParts
|
|
// array is an integer or not.
|
|
// Since the day of week is optional, this check is needed.
|
|
//
|
|
// The old code used eregi('mon|tue|wed|thu|fri|sat|sun',
|
|
// $dateParts[0], $tmp) to find if the first element was the
|
|
// day of week or day of month. This is an expensive call
|
|
// (processing time) to have inside a loop. Doing it this way
|
|
// saves quite a bit of time for large mailboxes.
|
|
//
|
|
// It is also quicker to call explode only once rather than
|
|
// the 3 times it was getting called by calling the functions
|
|
// getHour, getMinute, and getSecond.
|
|
//
|
|
if (intval(trim($dateParts[0])) > 0)
|
|
{
|
|
$string = $dateParts[0] . ' ' . $dateParts[1] . ' ' .
|
|
$dateParts[2] . ' ' . $dateParts[3];
|
|
return $this->getGMTSeconds(strtotime($string), $dateParts[4]);
|
|
}
|
|
$string = $dateParts[0] . ' ' . $dateParts[1] . ' ' .
|
|
$dateParts[2] . ' ' . $dateParts[3] . ' ' . $dateParts[4];
|
|
if (isset($dateParts[5]))
|
|
return $this->getGMTSeconds(strtotime($string), $dateParts[5]);
|
|
else
|
|
return $this->getGMTSeconds(strtotime($string), '');
|
|
}
|
|
|
|
// I use this function for profiling. Should never be called in
|
|
// actual versions of felamimail released to public.
|
|
function getmicrotime()
|
|
{
|
|
$mtime = microtime();
|
|
$mtime = explode(' ',$mtime);
|
|
$mtime = $mtime[1] + $mtime[0];
|
|
return ($mtime);
|
|
}
|
|
}
|
|
?>
|