<?php // _$_ datetime.class.php _ datetime _ version 1.2 _ valio _$_ //
if (!defined("_DATETIME_CLASS_")) {
define("_DATETIME_CLASS_", 1);

// ---  Configuration   --- //

$DateTime_Configuration = array (
  "bg"   => array (
    "months"    => array (
	  1     => "ßíóàðè",
	  2     => "Ôåâðóàðè",
	  3     => "Ìàðò",
	  4     => "Àïðèë",
	  5     => "Ìàé",
	  6     => "Þíè",
	  7     => "Þëè",
	  8     => "Àâãóñò",
	  9     => "Ñåïòåìâðè",
	  10    => "Îêòîìâðè",
	  11    => "Íîåìâðè",
	  12    => "Äåêåìâðè"
    ),
    "weeks"     => array (
      0     => "Íåäåëÿ",
      1     => "Ïîíåäåëíèê",
      2     => "Âòîðíèê",
      3     => "Ñðÿäà",
      4     => "×åòâúðòúê",
      5     => "Ïåòúê",
      6     => "Ñúáîòà",
    ),
  ),
  "en"  => array (
    "months"    => 0,
    "weeks"     => 0,
  )
);

// --  Class Definition  -- //

  class DateTime {

// ----  Private Vars  ---- //

    var $_cfg;
    var $_timestamp;
    var $_sec;
    var $_min;
    var $_hour;
    var $_day;
    var $_month;
    var $_year;

// ----  Constructor   ---- //

    function DateTime ($lang = "bg", $cfg = null) {
      $this->__construct($lang, $cfg);
    }

    function __construct($lang = "bg", $cfg = null) {
      GLOBAL $DateTime_Configuration;
	  if ($cfg == null) {
        if (isset($DateTime_Configuration[$lang])) {
	      $this->_cfg = $DateTime_Configuration[$lang];
        } else {
          $this->_cfg = $DateTime_Configuration[$lang];
        }
	  } else {
	    $this->_cfg = $cfg;
	  }
    }

// ---  Public Methods  --- //

    function set_now () {
      list( $usec, $this->_timestamp ) = explode( " ", microtime() );
      $now = getdate ( $this->_timestamp );
      $this->_sec = $now["seconds"] + $usec;
      $this->_min = $now["minutes"];
      $this->_hour = $now["hours"];
      $this->_day = $now["mday"];
      $this->_month = $now["mon"];
      $this->_year = $now["year"];
    }

    function set_date ($day, $month, $year) {
      $this->_sec = 0;
      $this->_min = 0;
      $this->_hour = 0;
      $this->_day = $day;
      $this->_month = $month;
      $this->_year = $year;
      if (($year >= 1970) && ($year <= 2038)) {
        $this->_timestamp = mktime (0, 0, 0, $month, $day, $year);
      } else {
        $this->_timestamp = -1;
      }
    }

    function get_date () {
      $r['sec'] = $this->_sec;
      $r['min'] = $this->_min;
      $r['hour'] = $this->_hour;
      $r['day'] = $this->_day;
      $r['month'] = $this->_month;
      $r['year'] = $this->_year;
      $r['ts'] = $this->_timestamp;
      return $r;
    }

    function set_time ($sec, $min, $hour) {
      $this->_sec = $sec;
      $this->_min = $min;
      $this->_hour = $hour;
    }

    function set_datetime ($sec, $min, $hour, $day, $month, $year) {
      $this->_sec = $sec;
      $this->_min = $min;
      $this->_hour = $hour;
      $this->_day = $day;
      $this->_month = $month;
      $this->_year = $year;
      if (($year >= 1970) && ($year <= 2038)) {
        $this->_timestamp = mktime (0, 0, 0, $month, $day, $year);
      } else {
        $this->_timestamp = -1;
      }
    }

    function get_datetime () {
      $ret = array();
      $ret[0] = $this->_sec;
      $ret[1] = (int)$this->_min;
      $ret[2] = (int)$this->_hour;
      $ret[3] = (int)$this->_day;
      $ret[4] = (int)$this->_month;
      $ret[5] = (int)$this->_year;
    }

    function diff ($datetime_object) {
      $class_type = get_class ( $datetime_object );
      $this_class_type = get_class ( $this );
      if ($class_type != $this_class_type) return -1;
      if (($this->_timestamp > 0) && ($datetime_object->_timestamp > 0)) {
        $ts1 = $this->_timestamp - ((int)$this->_sec) + $this->_sec;
        $ts2 = $datetime_object->_timestamp - ((int)$datetime_object->_sec) + $datetime_object->_sec;
        return $ts1 - $ts2;
      } else return -2;
    }

    function month_name ($month) {
      return $this->_cfg["months"][$month];
    }

    function week_name ($week) {
      return $this->_cfg["weeks"][$week];
    }

    function format ($format = "%Y-%m-%d %T") {
      $tr = array();
      if ($this->_timestamp >= 0) {
        if (is_array($this->_cfg["months"])) {
          $tr['%M'] = $this->_cfg["months"][date ("n", $this->_timestamp)];
        } else {
          $tr['%M'] = '%b';
        }
        $tr['%b'] = substr ($tr['%M'], 0, 3);
        if (is_array($this->_cfg["weeks"])) {
          $tr['%W'] = $this->_cfg["weeks"][date ("w", $this->_timestamp)];
        } else {
          $tr['%W'] = '%A';
        }
        $tr['%a'] = substr ($tr['%W'], 0, 3);
        $tr['%D'] = ''; //todo
        $tr['%X'] = '%G';
        $tr['%x'] = '%G';
        $tr['%c'] = '%m';
        $tr['%k'] = '%H';
        $tr['%l'] = '%I';
        $tr['%i'] = '%M';
        $tr['%r'] = '%I:%M:%S %p';
        $tr['%T'] = '%H:%M:%S';
        $tr['%s'] = '%S';
        $tr['%%'] = '%';
        $format = strtr($format, $tr);
        return strftime ($format, $this->_timestamp);
      } else {
        if (is_array($this->_cfg["months"])) {
          $tr['%M'] = $this->_cfg["months"][$this->_month];
        } else {
          $tr['%M'] = date ("F", mktime (0,0,0,$this->_month,1,2002));
        }
        $tr['%b'] = substr ($tr['%M'], 0, 3);
        // todo weeks
        if ($this->_month < 10) $tr['%m'] = '0'.(int)$this->_month;
        else $tr['%m'] = $this->_month;
        $tr['%c'] = $this->_month;
        $tr['%Y'] = $this->_year;
        $tr['%y'] = $this->_year % 100;
        $tr['%d'] = $this->_day;
        $tr['%e'] = $this->_day;
        $tr['%k'] = $this->_hour;
        if ($this->_hour < 10) $tr['%H'] = '0'.(int)$this->_hour;
        else $tr['%H'] = $this->_hour;
        $h2 = $this->_hour % 12;
        if ($h2 < 10) $tr['%h'] = '0'.(int)$h2;
        else $tr['%h'] = $h2;
        $tr['%I'] = $tr['%h'];
        if ($this->_min < 10) $tr['%i'] = '0'.(int)$this->_min;
        else $tr['%i'] = $this->_min;
        if ($this->_sec < 10) $tr['%S'] = '0'.(int)$this->_sec;
        else $tr['%S'] = $this->_sec;
        $tr['%s'] = $tr['%S'];
        $tr['%T'] = $tr['%H'].':'.$tr['%i'].':'.$tr['%S'];
        $tr['%r'] = $tr['%h'].':'.$tr['%i'].':'.$tr['%S'].' '.((int)($this->_hour / 12) ? 'A' : 'P').'M';
        $tr['%%'] = '%';
        $format = strtr($format, $tr);
        return $format;
      }
    }

    function from_string ($str) {
      $this->_timestamp = strtotime ( $str );
      if ($this->_timestamp != -1) {
        $now = getdate ( $this->_timestamp );
        $this->_sec = $now["seconds"] + $usec;
        $this->_min = $now["minutes"];
        $this->_hour = $now["hours"];
        $this->_day = $now["mday"];
        $this->_month = $now["mon"];
        $this->_year = $now["year"];
      } else {
        if (preg_match ("/(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})/", 
            $str, $match)) {
          $this->_timestamp = -1;
          $this->_sec = $match[6];
          $this->_min = $match[5];
          $this->_hour = $match[4];
          $this->_day = $match[3];
          $this->_month = $match[2];
          $this->_year = $match[1];
        } else {
          // todo: more types
        }
      }
    }

// --  Private Methods   -- //

// -----  Destructor  ----- //

	function __destruct() {
	}

  }

} // END DATETIME_CLASS
?>