* * and Joseph Engo * * and Mark Peters * * Commononly used functions by phpGroupWare developers * * Copyright (C) 2000, 2001 Dan Kuykendall * * -------------------------------------------------------------------------* * This library is part of the phpGroupWare API * * http://www.phpgroupware.org/api * * ------------------------------------------------------------------------ * * This library is free software; you can redistribute it and/or modify it * * under the terms of the GNU Lesser General Public License as published by * * the Free Software Foundation; either version 2.1 of the License, * * or any later version. * * This library is distributed in the hope that it will be useful, but * * WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * See the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * * along with this library; if not, write to the Free Software Foundation, * * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * \**************************************************************************/ /* $Id$ */ $d1 = strtolower(@substr(PHPGW_API_INC,0,3)); $d2 = strtolower(@substr(PHPGW_SERVER_ROOT,0,3)); $d3 = strtolower(@substr(PHPGW_APP_INC,0,3)); if($d1 == 'htt' || $d1 == 'ftp' || $d2 == 'htt' || $d2 == 'ftp' || $d3 == 'htt' || $d3 == 'ftp') { echo 'Failed attempt to break in via an old Security Hole!
'."\n"; exit; } unset($d1); unset($d2); unset($d3); /*! @class datetime @abstract datetime class that contains common date/time functions */ class datetime { var $tz_offset; var $days = Array(); var $gmtnow; var $gmtdate; function datetime() { $this->tz_offset = ((60 * 60) * intval($GLOBALS['phpgw_info']['user']['preferences']['common']['tz_offset'])); /* * This is not advanced enough to automatically recalc Daylight Savings time if(date('I') == 1) { $this->tz_offset += 3600; } */ $this->gmtdate = gmdate('D, d M Y H:i:s',time()).' GMT'; $this->gmtnow = $this->convert_rfc_to_epoch($this->gmtdate); } function convert_rfc_to_epoch($date_str) { $comma_pos = strpos($date_str,','); if($comma_pos) { $date_str = substr($date_str,$comma_pos+1); } // This may need to be a reference to the different months in native tongue.... $month= array( 'Jan' => 1, 'Feb' => 2, 'Mar' => 3, 'Apr' => 4, 'May' => 5, 'Jun' => 6, 'Jul' => 7, 'Aug' => 8, 'Sep' => 9, 'Oct' => 10, 'Nov' => 11, 'Dec' => 12 ); $dta = array(); $ta = array(); // Convert "15 Jul 2000 20:50:22 +0200" to unixtime $dta = explode(' ',$date_str); $ta = explode(':',$dta[4]); if(substr($dta[5],0,3) <> 'GMT') { $tzoffset = substr($dta[5],0,1); $tzhours = intval(substr($dta[5],1,2)); $tzmins = intval(substr($dta[5],3,2)); switch ($tzoffset) { case '-': (int)$ta[0] += $tzhours; (int)$ta[1] += $tzmins; break; case '+': (int)$ta[0] -= $tzhours; (int)$ta[1] -= $tzmins; break; } } return mktime($ta[0],$ta[1],$ta[2],$month[$dta[2]],$dta[1],$dta[3]); } function get_weekday_start($year,$month,$day) { $weekday = $this->day_of_week($year,$month,$day); switch($GLOBALS['phpgw_info']['user']['preferences']['calendar']['weekdaystarts']) { // Saturday is for arabic support case 'Saturday': $this->days = Array( 0 => 'Sat', 1 => 'Sun', 2 => 'Mon', 3 => 'Tue', 4 => 'Wed', 5 => 'Thu', 6 => 'Fri' ); switch($weekday) { case 0: $sday = mktime(2,0,0,$month,$day - 1,$year); break; case 6: $sday = mktime(2,0,0,$month,$day,$year); break; default: $sday = mktime(2,0,0,$month,$day - ($weekday + 1),$year); break; } break; case 'Monday': $this->days = Array( 0 => 'Mon', 1 => 'Tue', 2 => 'Wed', 3 => 'Thu', 4 => 'Fri', 5 => 'Sat', 6 => 'Sun' ); switch($weekday) { case 0: $sday = mktime(2,0,0,$month,$day - 6,$year); break; case 1: $sday = mktime(2,0,0,$month,$day,$year); break; default: $sday = mktime(2,0,0,$month,$day - ($weekday - 1),$year); break; } break; case 'Sunday': default: $this->days = Array( 0 => 'Sun', 1 => 'Mon', 2 => 'Tue', 3 => 'Wed', 4 => 'Thu', 5 => 'Fri', 6 => 'Sat' ); $sday = mktime(2,0,0,$month,$day - $weekday,$year); break; } return $sday - 7200; } function is_leap_year($year) { if ((intval($year) % 4 == 0) && (intval($year) % 100 != 0) || (intval($year) % 400 == 0)) { return 1; } else { return 0; } } function days_in_month($month,$year) { $days = Array( 1 => 31, 2 => 28 + $this->is_leap_year(intval($year)), 3 => 31, 4 => 30, 5 => 31, 6 => 30, 7 => 31, 8 => 31, 9 => 30, 10 => 31, 11 => 30, 12 => 31 ); return $days[intval($month)]; } function date_valid($year,$month,$day) { return checkdate(intval($month),intval($day),intval($year)); } function time_valid($hour,$minutes,$seconds) { if(intval($hour) < 0 || intval($hour) > 24) { return False; } if(intval($minutes) < 0 || intval($minutes) > 59) { return False; } if(intval($seconds) < 0 || intval($seconds) > 59) { return False; } return True; } function day_of_week($year,$month,$day) { if($month > 2) { $month -= 2; } else { $month += 10; $year--; } $day = (floor((13 * $month - 1) / 5) + $day + ($year % 100) + floor(($year % 100) / 4) + floor(($year / 100) / 4) - 2 * floor($year / 100) + 77); return (($day - 7 * floor($day / 7))); } function day_of_year($year,$month,$day) { $days = array(0,31,59,90,120,151,181,212,243,273,304,334); $julian = ($days[$month - 1] + $day); if($month > 2 && $this->is_leap_year($year)) { $julian++; } return($julian); } function date_compare($a_year,$a_month,$a_day,$b_year,$b_month,$b_day) { $a_date = mktime(0,0,0,intval($a_month),intval($a_day),intval($a_year)); $b_date = mktime(0,0,0,intval($b_month),intval($b_day),intval($b_year)); if($a_date == $b_date) { return 0; } elseif($a_date > $b_date) { return 1; } elseif($a_date < $b_date) { return -1; } } function time_compare($a_hour,$a_minute,$a_second,$b_hour,$b_minute,$b_second) { $a_time = mktime(intval($a_hour),intval($a_minute),intval($a_second),0,0,70); $b_time = mktime(intval($b_hour),intval($b_minute),intval($b_second),0,0,70); if($a_time == $b_time) { return 0; } elseif($a_time > $b_time) { return 1; } elseif($a_time < $b_time) { return -1; } } function makegmttime($hour,$minute,$second,$month,$day,$year) { return $this->gmtdate(mktime($hour, $minute, $second, $month, $day, $year)); } function localdates($localtime) { $date = Array('raw','day','month','year','full','dow','dm','bd'); $date['raw'] = $localtime; $date['year'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'Y')); $date['month'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'m')); $date['day'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'d')); $date['full'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'Ymd')); $date['bd'] = mktime(0,0,0,$date['month'],$date['day'],$date['year']); $date['dm'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'dm')); $date['dow'] = $this->day_of_week($date['year'],$date['month'],$date['day']); $date['hour'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'H')); $date['minute'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'i')); $date['second'] = intval($GLOBALS['phpgw']->common->show_date($date['raw'],'s')); return $date; } function gmtdate($localtime) { return $this->localdates($localtime - $this->tz_offset); } } ?>