majestic/classes/Format.class.php

<?php
/**
 * Format
 *
 * @copyright 
 * @link 
 * @package Majestic
 * @subpackage Core
 * @since 24.12.2008
 * @version SVN: $Id$
 * @filesource $URL$
 */

/**
 * Отвечает за конвертацию данных между читаемым 
 * человеком и машиной форматами.
 * 
 */
class Format
{
    /* Date & time */
    static protected $time_format       = 'H:i:s';
    static protected $date_format       = 'd.m.Y';    
    static protected $date_time_format  = 'd.m.Y H:i';
    static protected $timezone_offset   = 0;
    static protected $cache_time        = array();
    
    /* money */
    static protected $decimal_point   = ',';
    static protected $currency_symbol = ' руб.';
    static protected $frac_digits     = 2;
    static protected $cache_money     = array();
    
        
    static public function int2money($int = 0, $currency = false)
    {
        if(!isset(self::$cache_money[$int])){
            self::$cache_money[$int] = number_format($int/100, self::$frac_digits, self::$decimal_point, '');
        }
        return self::$cache_money[$int] . (($currency) ? self::$currency_symbol : '');
    }
    
    static public function money2int($money)
    {
        if(!isset(self::$cache_money[$money])){
            self::$cache_money[$money] = (int)str_replace(array('.', self::$decimal_point), '', $money);
        }
        return self::$cache_money[$money];
    }
    
    
    /**
     * Возвращает время в часах из секунд.
     * 
     * @param int $timestamp
     * @return string
     */
    static public function int2time($timestamp = 0)
    {
        if(!isset(self::$cache_time[$timestamp])){
            self::$cache_time[$timestamp] = date(self::$time_format, $timestamp-self::$timezone_offset);
        }
        return self::$cache_time[$timestamp];
    }
    
    /**
     * Возвращает дату и время из таймстампа.
     * 
     * @param int $timestamp
     * @param bool $hours
     * @return string
     */
    static public function int2date($timestamp = 0, $hours = true)
    {
        if(!isset(self::$cache_time[$timestamp])){
            self::$cache_time[$timestamp] = date(($hours) ? self::$date_time_format : self::$date_format , $timestamp);
        }
        return self::$cache_time[$timestamp];
    }
    
    /**
     * Установка смещения для getTime
     * 
     * @param int $offset
     */
    static public function setTimezoneOffset($offset)
    {
        self::$timezone_offset = $offset;
    }
    
    /**
     * Преобразует время в секунды.
     * 
     * @param string $time
     * @return int
     */
    static public function time2int($time)
    {
        if(!isset(self::$cache_time[$time])){
            $elements = explode(':', $time);
            if(count($elements) == 3){
                list($h, $m, $s) = $elements;
                self::$cache_time[$time] = ($h * 60 * 60) + ($m * 60) + $s;
            } else {
                self::$cache_time[$time] = (int)$time;
            }
        }
        return self::$cache_time[$time];
    }
    
    /**
     * Преобразует дату в таймстамп.
     * 
     * @param mixed $time
     * @return TimeFormat
     */
    static public function date2int($time)
    {
        if(!isset(self::$cache_time[$time])){
            self::$cache_time[$time] = strtotime($time);
        }
        return self::$cache_time[$time];
    }
}

Format::setTimezoneOffset(date('Z'));
?>