mirror of
https://github.com/EGroupware/egroupware.git
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271 lines
7.4 KiB
PHP
Executable File
271 lines
7.4 KiB
PHP
Executable File
<?php
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/**************************************************************************\
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* phpGroupWare API - Commononly used functions *
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* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
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* and Joseph Engo <jengo@phpgroupware.org> *
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* and Mark Peters <skeeter@phpgroupware.org> *
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* Commononly used functions by phpGroupWare developers *
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* Copyright (C) 2000, 2001 Dan Kuykendall *
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* -------------------------------------------------------------------------*
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* This library is part of the phpGroupWare API *
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* http://www.phpgroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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$d1 = strtolower(@substr(PHPGW_API_INC,0,3));
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$d2 = strtolower(@substr(PHPGW_SERVER_ROOT,0,3));
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$d3 = strtolower(@substr(PHPGW_APP_INC,0,3));
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if($d1 == 'htt' || $d1 == 'ftp' || $d2 == 'htt' || $d2 == 'ftp' || $d3 == 'htt' || $d3 == 'ftp')
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{
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echo 'Failed attempt to break in via an old Security Hole!<br>'."\n";
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exit;
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}
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unset($d1);
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unset($d2);
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unset($d3);
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/*!
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@class datetime
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@abstract datetime class that contains common date/time functions
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*/
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class datetime
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{
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var $tz_offset;
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var $days = Array();
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function datetime()
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{
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$this->tz_offset = ((60 * 60) * intval($GLOBALS['phpgw_info']['user']['preferences']['common']['tz_offset']));
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}
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function get_weekday_start($year,$month,$day)
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{
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$weekday = $this->day_of_week($year,$month,$day);
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switch($GLOBALS['phpgw_info']['user']['preferences']['calendar']['weekdaystarts'])
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{
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// Saturday is for arabic support
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case 'Saturday':
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$this->days = Array(
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0 => 'Sat',
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1 => 'Sun',
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2 => 'Mon',
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3 => 'Tue',
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4 => 'Wed',
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5 => 'Thu',
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6 => 'Fri'
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);
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switch($weekday)
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{
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case 0:
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$sday = mktime(2,0,0,$month,$day - 1,$year);
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break;
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case 6:
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$sday = mktime(2,0,0,$month,$day,$year);
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break;
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default:
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$sday = mktime(2,0,0,$month,$day - ($weekday + 1),$year);
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break;
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}
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return $sday;
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break;
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case 'Monday':
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$this->days = Array(
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0 => 'Mon',
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1 => 'Tue',
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2 => 'Wed',
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3 => 'Thu',
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4 => 'Fri',
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5 => 'Sat',
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6 => 'Sun'
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);
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switch($weekday)
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{
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case 0:
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$sday = mktime(2,0,0,$month,$day - 6,$year);
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break;
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case 1:
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$sday = mktime(2,0,0,$month,$day,$year);
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break;
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default:
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$sday = mktime(2,0,0,$month,$day - ($weekday - 1),$year);
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break;
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}
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return $sday - (60 * 60 * 2);
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break;
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case 'Sunday':
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default:
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$this->days = Array(
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0 => 'Sun',
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1 => 'Mon',
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2 => 'Tue',
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3 => 'Wed',
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4 => 'Thu',
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5 => 'Fri',
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6 => 'Sat'
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);
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return mktime(2,0,0,$month,$day - $weekday,$year);
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break;
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}
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}
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function is_leap_year($year)
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{
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if ((intval($year) % 4 == 0) && (intval($year) % 100 != 0) || (intval($year) % 400 == 0))
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{
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return 1;
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}
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else
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{
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return 0;
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}
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}
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function days_in_month($month,$year)
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{
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$days = Array(
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1 => 31,
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2 => 28 + $this->is_leap_year(intval($year)),
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3 => 31,
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4 => 30,
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5 => 31,
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6 => 30,
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7 => 31,
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8 => 31,
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9 => 30,
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10 => 31,
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11 => 30,
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12 => 31
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);
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return $days[intval($month)];
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}
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function date_valid($year,$month,$day)
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{
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return checkdate(intval($month),intval($day),intval($year));
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}
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function time_valid($hour,$minutes,$seconds)
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{
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if(intval($hour) < 0 || intval($hour) > 24)
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{
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return False;
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}
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if(intval($minutes) < 0 || intval($minutes) > 59)
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{
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return False;
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}
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if(intval($seconds) < 0 || intval($seconds) > 59)
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{
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return False;
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}
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return True;
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}
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function day_of_week($year,$month,$day)
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{
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if($month > 2)
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{
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$month -= 2;
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}
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else
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{
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$month += 10;
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$year--;
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}
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$day = (floor((13 * $month - 1) / 5) + $day + ($year % 100) + floor(($year % 100) / 4) + floor(($year / 100) / 4) - 2 * floor($year / 100) + 77);
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return (($day - 7 * floor($day / 7)));
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}
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function day_of_year($year,$month,$day)
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{
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$days = array(0,31,59,90,120,151,181,212,243,273,304,334);
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$julian = ($days[$month - 1] + $day);
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if($month > 2 && $this->is_leap_year($year))
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{
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$julian++;
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}
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return($julian);
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}
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function date_compare($a_year,$a_month,$a_day,$b_year,$b_month,$b_day)
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{
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$a_date = mktime(0,0,0,intval($a_month),intval($a_day),intval($a_year));
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$b_date = mktime(0,0,0,intval($b_month),intval($b_day),intval($b_year));
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if($a_date == $b_date)
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{
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return 0;
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}
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elseif($a_date > $b_date)
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{
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return 1;
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}
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elseif($a_date < $b_date)
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{
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return -1;
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}
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}
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function time_compare($a_hour,$a_minute,$a_second,$b_hour,$b_minute,$b_second)
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{
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$a_time = mktime(intval($a_hour),intval($a_minute),intval($a_second),0,0,70);
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$b_time = mktime(intval($b_hour),intval($b_minute),intval($b_second),0,0,70);
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if($a_time == $b_time)
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{
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return 0;
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}
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elseif($a_time > $b_time)
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{
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return 1;
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}
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elseif($a_time < $b_time)
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{
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return -1;
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}
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}
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function makegmttime($hour,$minute,$second,$month,$day,$year)
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{
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return $this->gmtdate(mktime($hour, $minute, $second, $month, $day, $year));
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}
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function localdates($localtime)
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{
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$date = Array('raw','day','month','year','full','dow','dm','bd');
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$date['raw'] = $localtime;
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$date['year'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'Y'));
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$date['month'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'m'));
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$date['day'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'d'));
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$date['full'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'Ymd'));
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$date['bd'] = mktime(0,0,0,$date['month'],$date['day'],$date['year']);
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$date['dm'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'dm'));
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$date['dow'] = $this->day_of_week($date['year'],$date['month'],$date['day']);
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$date['hour'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'H'));
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$date['minute'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'i'));
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$date['second'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'s'));
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return $date;
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}
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function gmtdate($localtime)
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{
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return $this->localdates($localtime - $this->tz_offset);
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}
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}
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?>
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