<?php /** * TDateTimeStamp class file. * @author Fabio Bas ctrlaltca[AT]gmail[DOT]com * @link http://www.pradosoft.com/ * @copyright Copyright © 2005-2013 PradoSoft * @license http://www.pradosoft.com/license/ * @version $Id: TDateTimeStamp.php 3246 2013-01-07 21:07:38Z ctrlaltca $ * @package System.Util */ /** * TDateTimeStamp Class * * TDateTimeStamp Class is a wrapper to DateTime: http://php.net/manual/book.datetime.php * Prado implemented this class before php started shipping the DateTime extension. * This class is deprecated and left here only for compatibility for legacy code. * Please note that this class doesn't support automatic conversion from gregorian to * julian dates anymore. * * @author Fabio Bas ctrlaltca[AT]gmail[DOT]com * @version $Id: TDateTimeStamp.php 3246 2013-01-07 21:07:38Z ctrlaltca $ * @package System.Util * @since 3.0.4 * @deprecated since 3.2.1 */ class TDateTimeStamp { protected static $_month_normal = array("",31,28,31,30,31,30,31,31,30,31,30,31); protected static $_month_leaf = array("",31,29,31,30,31,30,31,31,30,31,30,31); /** * Returns the day of the week (0=Sunday, 1=Monday, .. 6=Saturday) * @param int year * @param int month * @param int day */ public function getDayofWeek($year, $month, $day) { $dt = new DateTime(); $dt->setDate($year, $month, $day); return (int) $dt->format('w'); } /** * Checks for leap year, returns true if it is. No 2-digit year check. Also * handles julian calendar correctly. * @param float year to check * @return boolean true if is leap year */ public function isLeapYear($year) { $year = $this->digitCheck($year); $dt = new DateTime(); $dt->setDate($year, 1, 1); return (bool) $dt->format('L'); } /** * Fix 2-digit years. Works for any century. * Assumes that if 2-digit is more than 30 years in future, then previous century. * @return integer change two digit year into multiple digits */ protected function digitCheck($y) { if ($y < 100){ $yr = (integer) date("Y"); $century = (integer) ($yr /100); if ($yr%100 > 50) { $c1 = $century + 1; $c0 = $century; } else { $c1 = $century; $c0 = $century - 1; } $c1 *= 100; // if 2-digit year is less than 30 years in future, set it to this century // otherwise if more than 30 years in future, then we set 2-digit year to the prev century. if (($y + $c1) < $yr+30) $y = $y + $c1; else $y = $y + $c0*100; } return $y; } public function get4DigitYear($y) { return $this->digitCheck($y); } /** * @return integer get local time zone offset from GMT */ public function getGMTDiff($ts=false) { $dt = new DateTime(); if($ts) $dt->setTimeStamp($ts); else $dt->setDate(1970, 1, 2); return (int) $dt->format('Z'); } /** * @return array an array with date info. */ function parseDate($txt=false) { if ($txt === false) return getdate(); $dt = new DateTime($txt); return array( 'seconds' => (int) $dt->format('s'), 'minutes' => (int) $dt->format('i'), 'hours' => (int) $dt->format('G'), 'mday' => (int) $dt->format('j'), 'wday' => (int) $dt->format('w'), 'mon' => (int) $dt->format('n'), 'year' => (int) $dt->format('Y'), 'yday' => (int) $dt->format('z'), 'weekday' => $dt->format('l'), 'month' => $dt->format('F'), 0 => (int) $dt->format('U'), ); } /** * @return array an array with date info. */ function getDate($d=false,$fast=false) { if ($d === false) return getdate(); $dt = new DateTime(); $dt->setTimestamp($d); return array( 'seconds' => (int) $dt->format('s'), 'minutes' => (int) $dt->format('i'), 'hours' => (int) $dt->format('G'), 'mday' => (int) $dt->format('j'), 'wday' => (int) $dt->format('w'), 'mon' => (int) $dt->format('n'), 'year' => (int) $dt->format('Y'), 'yday' => (int) $dt->format('z'), 'weekday' => $dt->format('l'), 'month' => $dt->format('F'), 0 => (int) $dt->format('U'), ); } /** * @return boolean true if valid date, semantic check only. */ public function isValidDate($y,$m,$d) { if ($this->isLeapYear($y)) $marr =& self::$_month_leaf; else $marr =& self::$_month_normal; if ($m > 12 || $m < 1) return false; if ($d > 31 || $d < 1) return false; if ($marr[$m] < $d) return false; if ($y < 1000 && $y > 3000) return false; return true; } /** * @return string formatted date based on timestamp $d */ function formatDate($fmt,$ts=false,$is_gmt=false) { $dt = new DateTime(); if($is_gmt) $dt->setTimeZone(new DateTimeZone('UTC')); $dt->setTimestamp($ts); return $dt->format($fmt); } /** * @return integer|float a timestamp given a local time */ function getTimeStamp($hr,$min,$sec,$mon=false,$day=false,$year=false,$is_gmt=false) { $dt = new DateTime(); if($is_gmt) $dt->setTimeZone(new DateTimeZone('UTC')); $dt->setDate($year!==false ? $year : date('Y'), $mon!==false ? $mon : date('m'), $day!==false ? $day : date('d')); $dt->setTime($hr, $min, $sec); return (int) $dt->format('U'); } }