/usr/share/php/Horde/Date/Utils.php is in php-horde-date 2.3.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* @category Horde
* @package Date
*/
/**
* Horde Date wrapper/logic class, including some calculation
* functions.
*
* @category Horde
* @package Date
*/
class Horde_Date_Utils
{
/**
* Returns whether a year is a leap year.
*
* @param integer $year The year.
*
* @return boolean True if the year is a leap year.
*/
public static function isLeapYear($year)
{
return ($year % 4 == 0 && $year % 100 != 0) || $year % 400 == 0;
}
/**
* Returns the date of the year that corresponds to the first day of the
* given week.
*
* @param integer $week The week of the year to find the first day of.
* @param integer $year The year to calculate for.
*
* @return Horde_Date The date of the first day of the given week.
*/
public static function firstDayOfWeek($week, $year)
{
return new Horde_Date(sprintf('%04dW%02d', $year, $week));
}
/**
* Returns the number of days in the specified month.
*
* @param integer $month The month
* @param integer $year The year.
*
* @return integer The number of days in the month.
*/
public static function daysInMonth($month, $year)
{
static $cache = array();
if (!isset($cache[$year][$month])) {
try {
$date = new DateTime(sprintf($year < 0 ? '%05d-%02d-01' : '%04d-%02d-01', $year, $month));
} catch (Exception $e) {
throw new Horde_Date_Exception($e);
}
$cache[$year][$month] = $date->format('t');
}
return $cache[$year][$month];
}
/**
* Returns a relative, natural language representation of a timestamp
*
* @todo Wider range of values ... maybe future time as well?
* @todo Support minimum resolution parameter.
*
* @param mixed $time The time. Any format accepted by Horde_Date.
* @param string $date_format Format to display date if timestamp is
* more then 1 day old.
* @param string $time_format Format to display time if timestamp is 1
* day old.
*
* @return string The relative time (i.e. 2 minutes ago)
*/
public static function relativeDateTime($time, $date_format = '%x',
$time_format = '%X')
{
$date = new Horde_Date($time);
$delta = time() - $date->timestamp();
if ($delta < 60) {
return sprintf(Horde_Date_Translation::ngettext("%d second ago", "%d seconds ago", $delta), $delta);
}
$delta = round($delta / 60);
if ($delta < 60) {
return sprintf(Horde_Date_Translation::ngettext("%d minute ago", "%d minutes ago", $delta), $delta);
}
$delta = round($delta / 60);
if ($delta < 24) {
return sprintf(Horde_Date_Translation::ngettext("%d hour ago", "%d hours ago", $delta), $delta);
}
if ($delta > 24 && $delta < 48) {
$date = new Horde_Date($time);
return sprintf(Horde_Date_Translation::t("yesterday at %s"), $date->strftime($time_format));
}
$delta = round($delta / 24);
if ($delta < 7) {
return sprintf(Horde_Date_Translation::t("%d days ago"), $delta);
}
if (round($delta / 7) < 5) {
$delta = round($delta / 7);
return sprintf(Horde_Date_Translation::ngettext("%d week ago", "%d weeks ago", $delta), $delta);
}
// Default to the user specified date format.
return $date->strftime($date_format);
}
/**
* Tries to convert strftime() formatters to date() formatters.
*
* Unsupported formatters will be removed.
*
* @param string $format A strftime() formatting string.
*
* @return string A date() formatting string.
*/
public static function strftime2date($format)
{
$replace = array(
'/%a/' => 'D',
'/%A/' => 'l',
'/%d/' => 'd',
'/%e/' => 'j',
'/%j/' => 'z',
'/%u/' => 'N',
'/%w/' => 'w',
'/%U/' => '',
'/%V/' => 'W',
'/%W/' => '',
'/%b/' => 'M',
'/%B/' => 'F',
'/%h/' => 'M',
'/%m/' => 'm',
'/%C/' => '',
'/%g/' => '',
'/%G/' => 'o',
'/%y/' => 'y',
'/%Y/' => 'Y',
'/%H/' => 'H',
'/%I/' => 'h',
'/%i/' => 'g',
'/%M/' => 'i',
'/%p/' => 'A',
'/%P/' => 'a',
'/%r/' => 'h:i:s A',
'/%R/' => 'H:i',
'/%S/' => 's',
'/%T/' => 'H:i:s',
'/%X/e' => 'Horde_Date_Utils::strftime2date(Horde_Nls::getLangInfo(T_FMT))',
'/%z/' => 'O',
'/%Z/' => '',
'/%c/' => '',
'/%D/' => 'm/d/y',
'/%F/' => 'Y-m-d',
'/%s/' => 'U',
'/%x/e' => 'Horde_Date_Utils::strftime2date(Horde_Nls::getLangInfo(D_FMT))',
'/%n/' => "\n",
'/%t/' => "\t",
'/%%/' => '%'
);
return preg_replace(array_keys($replace), array_values($replace), $format);
}
}
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