<?php
/**********************************************************\
| |
| The implementation of PHPRPC Protocol 3.0 |
| |
| phprpc_date.php |
| |
| Release 3.0.1 |
| Copyright by Team-PHPRPC |
| |
| WebSite: http://www.phprpc.org/ |
| http://www.phprpc.net/ |
| http://www.phprpc.com/ |
| http://sourceforge.net/projects/php-rpc/ |
| |
| Authors: Ma Bingyao <andot@ujn.edu.cn> |
| |
| This file may be distributed and/or modified under the |
| terms of the GNU General Public License (GPL) version |
| 2.0 as published by the Free Software Foundation and |
| appearing in the included file LICENSE. |
| |
\**********************************************************/
/* PHPRPC_Date Class for PHP.
*
* Copyright: Ma Bingyao <andot@ujn.edu.cn>
* Version: 1.2
* LastModified: Apr 12, 2010
* This library is free. You can redistribute it and/or modify it under GPL.
*/
class PHPRPC_Date {
var $year = 1;
var $month = 1;
var $day = 1;
var $hour = 0;
var $minute = 0;
var $second = 0;
var $millisecond = 0;
function PHPRPC_Date() {
$num = func_num_args();
$time = false;
if ($num == 0) {
$time = getdate();
}
if ($num == 1) {
$arg = func_get_arg(0);
if (is_int($arg)) {
$time = getdate($arg);
}
elseif (is_string($arg)) {
$time = getdate(strtotime($arg));
}
}
if (is_array($time)) {
$this->year = $time['year'];
$this->month = $time['mon'];
$this->day = $time['mday'];
$this->hour = $time['hours'];
$this->minute = $time['minutes'];
$this->second = $time['seconds'];
}
}
function addMilliseconds($milliseconds) {
if (!is_int($milliseconds)) return false;
if ($milliseconds == 0) return true;
$millisecond = $this->millisecond + $milliseconds;
$milliseconds = $millisecond % 1000;
if ($milliseconds < 0) {
$milliseconds += 1000;
}
$seconds = (int)(($millisecond - $milliseconds) / 1000);
$millisecond = (int)$milliseconds;
if ($this->addSeconds($seconds)) {
$this->millisecond = (int)$milliseconds;
return true;
}
else {
return false;
}
}
function addSeconds($seconds) {
if (!is_int($seconds)) return false;
if ($seconds == 0) return true;
$second = $this->second + $seconds;
$seconds = $second % 60;
if ($seconds < 0) {
$seconds += 60;
}
$minutes = (int)(($second - $seconds) / 60);
if ($this->addMinutes($minutes)) {
$this->second = (int)$seconds;
return true;
}
else {
return false;
}
}
function addMinutes($minutes) {
if (!is_int($minutes)) return false;
if ($minutes == 0) return true;
$minute = $this->minute + $minutes;
$minutes = $minute % 60;
if ($minutes < 0) {
$minutes += 60;
}
$hours = (int)(($minute - $minutes) / 60);
if ($this->addHours($hours)) {
$this->minute = (int)$minutes;
return true;
}
else {
return false;
}
}
function addHours($hours) {
if (!is_int($hours)) return false;
if ($hours == 0) return true;
$hour = $this->hour + $hours;
$hours = $hour % 24;
if ($hours < 0) {
$hours += 24;
}
$days = (int)(($hour - $hours) / 24);
if ($this->addDays($days)) {
$this->hour = (int)$hours;
return true;
}
else {
return false;
}
}
function addDays($days) {
if (!is_int($days)) return false;
$year = $this->year;
if ($days == 0) return true;
if ($days >= 146097 || $days <= -146097) {
$remainder = $days % 146097;
if ($remainder < 0) {
$remainder += 146097;
}
$years = 400 * (int)(($days - $remainder) / 146097);
$year += $years;
if ($year < 1 || $year > 9999) return false;
$days = $remainder;
}
if ($days >= 36524 || $days <= -36524) {
$remainder = $days % 36524;
if ($remainder < 0) {
$remainder += 36524;
}
$years = 100 * (int)(($days - $remainder) / 36524);
$year += $years;
if ($year < 1 || $year > 9999) return false;
$days = $remainder;
}
if ($days >= 1461 || $days <= -1461) {
$remainder = $days % 1461;
if ($remainder < 0) {
$remainder += 1461;
}
$years = 4 * (int)(($days - $remainder) / 1461);
$year += $years;
if ($year < 1 || $year > 9999) return false;
$days = $remainder;
}
$month = $this->month;
while ($days >= 365) {
if ($year >= 9999) return false;
if ($month <= 2) {
if ((($year % 4) == 0) ? (($year % 100) == 0) ? (($year % 400) == 0) : true : false) {
$days -= 366;
}
else {
$days -= 365;
}
$year++;
}
else {
$year++;
if ((($year % 4) == 0) ? (($year % 100) == 0) ? (($year % 400) == 0) : true : false) {
$days -= 366;
}
else {
$days -= 365;
}
}
}
while ($days < 0) {
if ($year <= 1) return false;
if ($month <= 2) {
$year--;
if ((($year % 4) == 0) ? (($year % 100) == 0) ? (($year % 400) == 0) : true : false) {
$days += 366;
}
else {
$days += 365;
}
}
else {
if ((($year % 4) == 0) ? (($year % 100) == 0) ? (($year % 400) == 0) : true : false) {
$days += 366;
}
else {
$days += 365;
}
$year--;
}
}
$daysInMonth = cal_days_in_month(CAL_GREGORIAN, $month, $year);
$day = $this->day;
while ($day + $days > $daysInMonth) {
$days -= $daysInMonth - $day + 1;
$month++;
if ($month > 12) {
if ($year >= 9999) return false;
$year++;
$month = 1;
}
$day = 1;
$daysInMonth = cal_days_in_month(CAL_GREGORIAN, $month, $year);
}
$day += $days;
$this->year = $year;
$this->month = $month;
$this->day = $day;
return true;
}
function addMonths($months) {
if (!is_int($months)) return false;
if ($months == 0) return true;
$month = $this->month + $months;
$months = ($month - 1) % 12 + 1;
if ($months < 1) {
$months += 12;
}
$years = (int)(($month - $months) / 12);
if ($this->addYears($years)) {
$daysInMonth = cal_days_in_month(CAL_GREGORIAN, $months, $this->year);
if ($this->day > $daysInMonth) {
$months++;
$this->day -= $daysInMonth;
}
$this->month = (int)$months;
return true;
}
else {
return false;
}
}
function addYears($years) {
if (!is_int($years)) return false;
if ($years == 0) return true;
$year = $this->year + $years;
if ($year < 1 || $year > 9999) return false;
$this->year = $year;
return true;
}
function after($when) {
if (!is_a($when, 'PHPRPC_Date')) {
$when = PHPRPC_Date::parse($when);
}
if ($this->year < $when->year) return false;
if ($this->year > $when->year) return true;
if ($this->month < $when->month) return false;
if ($this->month > $when->month) return true;
if ($this->day < $when->day) return false;
if ($this->day > $when->day) return true;
if ($this->hour < $when->hour) return false;
if ($this->hour > $when->hour) return true;
if ($this->minute < $when->minute) return false;
if ($this->minute > $when->minute) return true;
if ($this->second < $when->second) return false;
if ($this->second > $when->second) return true;
if ($this->millisecond < $when->millisecond) return false;
if ($this->millisecond > $when->millisecond) return true;
return false;
}
function before($when) {
if (!is_a($when, 'PHPRPC_Date')) {
$when = new PHPRPC_Date($when);
}
if ($this->year < $when->year) return true;
if ($this->year > $when->year) return false;
if ($this->month < $when->month) return true;
if ($this->month > $when->month) return false;
if ($this->day < $when->day) return true;
if ($this->day > $when->day) return false;
if ($this->hour < $when->hour) return true;
if ($this->hour > $when->hour) return false;
if ($this->minute < $when->minute) return true;
if ($this->minute > $when->minute) return false;
if ($this->second < $when->second) return true;
if ($this->second > $when->second) return false;
if ($this->millisecond < $when->millisecond) return true;
if ($this->millisecond > $when->millisecond) return false;
return false;
}
function equals($when) {
if (!is_a($when, 'PHPRPC_Date')) {
$when = new PHPRPC_Date($when);
}
return (($this->year == $when->year) &&
($this->month == $when->month) &&
($this->day == $when->day) &&
($this->hour == $when->hour) &&
($this->minute == $when->minute) &&
($this->second == $when->second) &&
($this->millisecond == $when->millisecond));
}
function set() {
$num = func_num_args();
$args = func_get_args();
if ($num >= 3) {
if (!PHPRPC_Date::isValidDate($args[0], $args[1], $args[2])) {
return false;
}
$this->year = (int)$args[0];
$this->month = (int)$args[1];
$this->day = (int)$args[2];
if ($num == 3) {
return true;
}
}
if ($num >= 6) {
if (!PHPRPC_Date::isValidTime($args[3], $args[4], $args[5])) {
return false;
}
$this->hour = (int)$args[3];
$this->minute = (int)$args[4];
$this->second = (int)$args[5];
if ($num == 6) {
return true;
}
}
if (($num == 7) && ($args[6] >= 0 && $args[6] <= 999)) {
$this->millisecond = (int)$args[6];
return true;
}
return false;
}
function time() {
return mktime($this->hour, $this->minute, $this->second, $this->month, $this->day, $this->year);
}
function toString() {
return sprintf('%04d-%02d-%02d %02d:%02d:%02d.%03d',
$this->year, $this->month, $this->day,
$this->hour, $this->minute, $this->second,
$this->millisecond);
}
function __toString() {
return $this->toString();
}
function dayOfWeek() {
$num = func_num_args();
if ($num == 3) {
$args = func_get_args();
$y = $args[0];
$m = $args[1];
$d = $args[2];
}
else {
$y = $this->year;
$m = $this->month;
$d = $this->day;
}
$d += $m < 3 ? $y-- : $y - 2;
return ((int)(23 * $m / 9) + $d + 4 + (int)($y / 4) - (int)($y / 100) + (int)($y / 400)) % 7;
}
function dayOfYear() {
static $daysToMonth365 = array(0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365);
static $daysToMonth366 = array(0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366);
$num = func_num_args();
if ($num == 3) {
$args = func_get_args();
$y = $args[0];
$m = $args[1];
$d = $args[2];
}
else {
$y = $this->year;
$m = $this->month;
$d = $this->day;
}
$days = PHPRPC_Date::isLeapYear($y) ? $daysToMonth365 : $daysToMonth366;
return $days[$m - 1] + $d;
}
function now() {
$date = new PHPRPC_Date();
return $date;
}
function today() {
$date = PHPRPC_Date::now();
$date->hour = 0;
$date->minute = 0;
$date->second = 0;
return $date;
}
function parse($dt) {
if (is_a($dt, 'PHPRPC_Date')) {
return $dt;
}
if (is_int($dt)) {
return new PHPRPC_Date($dt);
}
$shortFormat = '(\d|\d{2}|\d{3}|\d{4})-([1-9]|0[1-9]|1[012])-([1-9]|0[1-9]|[12]\d|3[01])';
if (preg_match("/^$shortFormat$/", $dt, $match)) {
$year = intval($match[1]);
$month = intval($match[2]);
$day = intval($match[3]);
if (PHPRPC_Date::isValidDate($year, $month, $day)) {
$date = new PHPRPC_Date(false);
$date->year = $year;
$date->month = $month;
$date->day = $day;
return $date;
}
else {
return false;
}
}
$longFormat = $shortFormat . ' (\d|0\d|1\d|2[0-3]):(\d|[0-5]\d):(\d|[0-5]\d)';
if (preg_match("/^$longFormat$/", $dt, $match)) {
$year = intval($match[1]);
$month = intval($match[2]);
$day = intval($match[3]);
if (PHPRPC_Date::isValidDate($year, $month, $day)) {
$date = new PHPRPC_Date(false);
$date->year = $year;
$date->month = $month;
$date->day = $day;
$date->hour = intval($match[4]);
$date->minute = intval($match[5]);
$date->second = intval($match[6]);
return $date;
}
else {
return false;
}
}
$fullFormat = $longFormat . '\.(\d|\d{2}|\d{3})';
if (preg_match("/^$fullFormat$/", $dt, $match)) {
$year = intval($match[1]);
$month = intval($match[2]);
$day = intval($match[3]);
if (PHPRPC_Date::isValidDate($year, $month, $day)) {
$date = new PHPRPC_Date(false);
$date->year = $year;
$date->month = $month;
$date->day = $day;
$date->hour = intval($match[4]);
$date->minute = intval($match[5]);
$date->second = intval($match[6]);
$date->millisecond = intval($match[7]);
return $date;
}
else {
return false;
}
}
return false;
}
function isLeapYear($year) {
return (($year % 4) == 0) ? (($year % 100) == 0) ? (($year % 400) == 0) : true : false;
}
function daysInMonth($year, $month) {
if (($month < 1) || ($month > 12)) {
return false;
}
return cal_days_in_month(CAL_GREGORIAN, $month, $year);
}
function isValidDate($year, $month, $day) {
if (($year >= 1) && ($year <= 9999)) {
return checkdate($month, $day, $year);
}
return false;
}
function isValidTime($hour, $minute, $second) {
return !(($hour < 0) || ($hour > 23) ||
($minute < 0) || ($minute > 59) ||
($second < 0) || ($second > 59));
}
}
?>
