<?php
/* $Id: time.func.php 2 2004-08-05 21:42:03Z eroberts $ */

/* {{{ Time Constants */
define("_MINUTE_",60);
define("_HOUR_",_MINUTE_ * 60);
define("_DAY_",_HOUR_ * 24);
define("_WEEK_",_DAY_ * 7);
define("_MONTH_",_WEEK_ * 4);
define("_YEAR_",_WEEK_ * 52);
/* }}} */

/* {{{ Function: date_format */
/**
 * Just a simple function to have a central location
 * where all date formats can be modified at once, might
 * even through in option for users to specify their own
 * timezone at some point
 *
 * @param integer $timestamp Unix timestamp
 * @return string
 */
function date_format($timestamp = null,$showtime = TRUE)
{
  if (empty($timestamp)) {
    $timestamp = time();
  }

  if ($_SESSION['prefs']['local_tz'] == "t") {
    if ($showtime) {
      $date = gmdate($_SESSION['prefs']['date_format']." h:ia",$timestamp - ($_COOKIE['tz'] * 3600));
    } else {
      $date = gmdate($_SESSION['prefs']['date_format'],$timestamp - ($_COOKIE['tz'] * 3600));
    }
  } else {
    if ($showtime) {
      $date = date($_SESSION['prefs']['date_format']." h:ia",$timestamp);
    } else {
      $date = date($_SESSION['prefs']['date_format'],$timestamp);
    }
  }
  return $date;
}
/* }}} */

/* {{{ Function: time_format */
/**
 * Take a amount of time in seconds and make it humanly readable
 *
 * @param integer $time Amount of time in seconds
 * @return string $string
 */
function time_format($time)
{
  // now here's how to reconstruct it
  $days = (int)($time / _DAY_);
  // find the remainder of that operation
  $remainder =  $time % _DAY_;
  // now find the hours in the remainder
  $hours  =  (int)($remainder / _HOUR_);
  // and the remainder of THAT operation
  $remainder = $remainder % _HOUR_;
  // now we're down to minutes
  $minutes = (int)($remainder / _MINUTE_);
  // and what remains is ...
  $seconds = $remainder % _MINUTE_;

  $string = sprintf("%3.3d day%s %2.2d hour%s %2.2d minute%s %2.2d second%s",
    $days,$days != 1 ? "s" : "",$hours,$hours != 1 ? "s" : "",
    $minutes,$minutes != 1 ? "s" : "",$seconds,$seconds != 1 ? "s" : "");

  return $string;
}
/* }}} */
?>