public function toDays()
{
if (function_exists('GregorianToJD')) {
return gregoriantojd($this->_month, $this->_mday, $this->_year);
}
$day = $this->_mday;
$month = $this->_month;
$year = $this->_year;
if ($month > 2) {
// March = 0, April = 1, ..., December = 9,
// January = 10, February = 11
$month -= 3;
} else {
$month += 9;
--$year;
}
$hb_negativeyear = $year < 0;
$century = intval($year / 100);
$year = $year % 100;
if ($hb_negativeyear) {
// Subtract 1 because year 0 is a leap year;
// And N.B. that we must treat the leap years as occurring
// one year earlier than they do, because for the purposes
// of calculation, the year starts on 1st March:
//
return intval((14609700 * $century + ($year == 0 ? 1 : 0)) / 400) + intval((1461 * $year + 1) / 4) + intval((153 * $month + 2) / 5) + $day + 1721118;
} else {
return intval(146097 * $century / 4) + intval(1461 * $year / 4) + intval((153 * $month + 2) / 5) + $day + 1721119;
}
} /**
* @static
*
* @param mixed $date The date to calculate the difference from. Can be
* either a timestamp integer value, or an array
* with date parts: 'day', 'month', 'year'.
*
* @return string
*/
function getAgo($date)
{
if ($date === null) {
return '';
}
try {
$today = new Horde_Date(time());
$date = new Horde_Date($date);
$ago = $date->toDays() - $today->toDays();
} catch (Horde_Date_Exception $e) {
return '';
}
if ($ago < -1) {
return sprintf(Horde_Form_Translation::t(" (%s days ago)"), abs($ago));
} elseif ($ago == -1) {
return Horde_Form_Translation::t(" (yesterday)");
} elseif ($ago == 0) {
return Horde_Form_Translation::t(" (today)");
} elseif ($ago == 1) {
return Horde_Form_Translation::t(" (tomorrow)");
} else {
return sprintf(Horde_Form_Translation::t(" (in %s days)"), $ago);
}
}
