[5341] | 1 | <?php |
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| 2 | /** |
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| 3 | * iCalcreator class v2.10.5 |
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| 4 | * copyright (c) 2007-2011 Kjell-Inge Gustafsson kigkonsult |
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| 5 | * www.kigkonsult.se/iCalcreator/index.php |
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| 6 | * ical@kigkonsult.se |
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| 7 | * |
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| 8 | * This library is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU Lesser General Public |
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| 10 | * License as published by the Free Software Foundation; either |
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| 11 | * version 2.1 of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * This library is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public |
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| 19 | * License along with this library; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 21 | */ |
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| 22 | /** |
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| 23 | * moving all utility (static) functions to a utility class |
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| 24 | * |
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| 25 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
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| 26 | * @since 2.10.1 - 2011-07-16 |
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| 27 | * |
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| 28 | */ |
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| 29 | class iCalUtilityFunctions { |
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| 30 | // Store the single instance of iCalUtilityFunctions |
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| 31 | private static $m_pInstance; |
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| 32 | |
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| 33 | // Private constructor to limit object instantiation to within the class |
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| 34 | private function __construct() { |
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| 35 | $m_pInstance = FALSE; |
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| 36 | } |
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| 37 | |
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| 38 | // Getter method for creating/returning the single instance of this class |
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| 39 | public static function getInstance() { |
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| 40 | if (!self::$m_pInstance) |
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| 41 | self::$m_pInstance = new iCalUtilityFunctions(); |
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| 42 | |
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| 43 | return self::$m_pInstance; |
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| 44 | } |
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| 45 | /** |
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| 46 | * check a date(-time) for an opt. timezone and if it is a DATE-TIME or DATE |
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| 47 | * |
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| 48 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
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| 49 | * @since 2.4.16 - 2008-10-25 |
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| 50 | * @param array $date, date to check |
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| 51 | * @param int $parno, no of date parts (i.e. year, month.. .) |
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| 52 | * @return array $params, property parameters |
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| 53 | */ |
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| 54 | public static function _chkdatecfg( $theDate, & $parno, & $params ) { |
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| 55 | if( isset( $params['TZID'] )) |
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| 56 | $parno = 6; |
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| 57 | elseif( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] )) |
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| 58 | $parno = 3; |
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| 59 | else { |
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| 60 | if( isset( $params['VALUE'] ) && ( 'PERIOD' == $params['VALUE'] )) |
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| 61 | $parno = 7; |
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| 62 | if( is_array( $theDate )) { |
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| 63 | if( isset( $theDate['timestamp'] )) |
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| 64 | $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : null; |
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| 65 | else |
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| 66 | $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : ( 7 == count( $theDate )) ? end( $theDate ) : null; |
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| 67 | if( !empty( $tzid )) { |
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| 68 | $parno = 7; |
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| 69 | if( !iCalUtilityFunctions::_isOffset( $tzid )) |
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| 70 | $params['TZID'] = $tzid; // save only timezone |
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| 71 | } |
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| 72 | elseif( !$parno && ( 3 == count( $theDate )) && |
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| 73 | ( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] ))) |
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| 74 | $parno = 3; |
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| 75 | else |
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| 76 | $parno = 6; |
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| 77 | } |
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| 78 | else { // string |
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| 79 | $date = trim( $theDate ); |
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| 80 | if( 'Z' == substr( $date, -1 )) |
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| 81 | $parno = 7; // UTC DATE-TIME |
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| 82 | elseif((( 8 == strlen( $date ) && ctype_digit( $date )) || ( 11 >= strlen( $date ))) && |
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| 83 | ( !isset( $params['VALUE'] ) || !in_array( $params['VALUE'], array( 'DATE-TIME', 'PERIOD' )))) |
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| 84 | $parno = 3; // DATE |
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| 85 | $date = iCalUtilityFunctions::_date_time_string( $date, $parno ); |
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| 86 | if( !empty( $date['tz'] )) { |
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| 87 | $parno = 7; |
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| 88 | if( !iCalUtilityFunctions::_isOffset( $date['tz'] )) |
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| 89 | $params['TZID'] = $date['tz']; // save only timezone |
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| 90 | } |
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| 91 | elseif( empty( $parno )) |
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| 92 | $parno = 6; |
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| 93 | } |
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| 94 | if( isset( $params['TZID'] )) |
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| 95 | $parno = 6; |
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| 96 | } |
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| 97 | } |
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| 98 | /** |
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| 99 | * create (very simple) timezone and standard/daylight components |
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| 100 | * |
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| 101 | * Result when 'Europe/Stockholm' is used as timezone: |
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| 102 | * |
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| 103 | * BEGIN:VTIMEZONE |
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| 104 | * TZID:Europe/Stockholm |
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| 105 | * BEGIN:STANDARD |
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| 106 | * DTSTART:20101031T020000 |
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| 107 | * TZOFFSETFROM:+0200 |
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| 108 | * TZOFFSETTO:+0100 |
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| 109 | * RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10 |
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| 110 | * TZNAME:CET |
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| 111 | * END:STANDARD |
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| 112 | * BEGIN:DAYLIGHT |
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| 113 | * DTSTART:20100328T030000 |
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| 114 | * TZOFFSETFROM:+0100 |
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| 115 | * TZOFFSETTO:+0200 |
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| 116 | * RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3 |
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| 117 | * TZNAME:CEST |
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| 118 | * END:DAYLIGHT |
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| 119 | * END:VTIMEZONE |
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| 120 | * |
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| 121 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
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| 122 | * @since 2.10.3 - 2011-08-01 |
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| 123 | * @param object $calendar, reference to an iCalcreator calendar instance |
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| 124 | * @param string $timezone, a PHP5 (DateTimeZone) valid timezone |
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| 125 | * @param array $xProp, *[x-propName => x-propValue], optional |
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| 126 | * @return bool |
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| 127 | */ |
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| 128 | public static function createTimezone( & $calendar, $timezone, $xProp=array() ) { |
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| 129 | if( !class_exists( 'DateTimeZone' )) |
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| 130 | return FALSE; |
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| 131 | if( empty( $timezone )) |
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| 132 | return FALSE; |
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| 133 | try { |
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| 134 | $dtz = new DateTimeZone( $timezone ); |
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| 135 | } |
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| 136 | catch( Exception $e ) { |
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| 137 | return FALSE; |
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| 138 | } |
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| 139 | $stdDTSTART = $stdTZOFFSETTO = $stdTZOFFSETFROM = $stdTZNAME = $dlghtDTSTART = $dlghtTZOFFSETTO = $dlghtTZOFFSETFROM = $dlghtTZNAME = FALSE; |
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| 140 | $dateNow = new DateTime(); |
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| 141 | $transitions = $dtz->getTransitions(); |
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| 142 | foreach( $transitions as $trans ) { |
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| 143 | if( FALSE === ( $date = DateTime::createFromFormat( 'Y-m-d', substr( $trans['time'], 0, 10 )))) |
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| 144 | continue; |
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| 145 | if( $date > $dateNow ) |
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| 146 | break; |
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| 147 | if( TRUE !== $trans['isdst'] ) { |
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| 148 | $stdDTSTART = $trans['time']; |
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| 149 | $stdTZOFFSETTO = $dlghtTZOFFSETFROM = iCalUtilityFunctions::offsetSec2His( $trans['offset'] ); |
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| 150 | $stdTZNAME = $trans['abbr']; |
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| 151 | } |
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| 152 | else { |
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| 153 | $dlghtDTSTART = $trans['time']; |
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| 154 | $dlghtTZOFFSETTO = $stdTZOFFSETFROM = iCalUtilityFunctions::offsetSec2His( $trans['offset'] ); |
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| 155 | $dlghtTZNAME = $trans['abbr']; |
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| 156 | } |
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| 157 | } |
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| 158 | if( !$stdDTSTART || !$stdTZOFFSETTO || !$stdTZOFFSETFROM ) |
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| 159 | return FALSE; |
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| 160 | $tz = & $calendar->newComponent( 'vtimezone' ); |
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| 161 | $tz->setproperty( 'tzid', $timezone ); |
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| 162 | if( !empty( $xProp )) { |
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| 163 | foreach( $xProp as $xPropName => $xPropValue ) |
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| 164 | if( 'x-' == strtolower( substr( $xPropName, 0, 2 ))) |
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| 165 | $tz->setproperty( $xPropName, $xPropValue ); |
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| 166 | } |
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| 167 | $std = & $tz->newComponent( 'standard' ); |
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| 168 | $std->setProperty( 'dtstart', $stdDTSTART ); |
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| 169 | if( $stdTZNAME ) |
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| 170 | $std->setProperty( 'tzname', $stdTZNAME ); |
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| 171 | $std->setProperty( 'tzoffsetto', $stdTZOFFSETTO ); |
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| 172 | $std->setProperty( 'tzoffsetfrom', $stdTZOFFSETFROM ); |
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| 173 | if(( $stdTZOFFSETTO != $stdTZOFFSETFROM ) && ( FALSE === iCalUtilityFunctions::_setTZrrule( $std ))) |
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| 174 | $std->setProperty( 'RRULE', array( 'FREQ' => 'YEARLY', 'BYDAY' => array( '-1', 'DAY' => 'SU' ), 'BYMONTH' => 10 )); |
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| 175 | if(( !$dlghtDTSTART || !$dlghtTZOFFSETTO || !$dlghtTZOFFSETFROM ) || ( $dlghtTZOFFSETTO == $dlghtTZOFFSETFROM )) |
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| 176 | return TRUE; |
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| 177 | $dlght = & $tz->newComponent( 'daylight' ); |
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| 178 | $dlght->setProperty( 'dtstart', $dlghtDTSTART ); |
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| 179 | if( $dlghtTZNAME ) |
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| 180 | $dlght->setProperty( 'tzname', $dlghtTZNAME ); |
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| 181 | $dlght->setProperty( 'tzoffsetto', $dlghtTZOFFSETTO ); |
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| 182 | $dlght->setProperty( 'tzoffsetfrom', $dlghtTZOFFSETFROM ); |
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| 183 | if( FALSE === iCalUtilityFunctions::_setTZrrule( $dlght )) |
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| 184 | $dlght->setProperty( 'RRULE', array( 'FREQ' => 'YEARLY', 'BYDAY' => array( '-1', 'DAY' => 'SU' ), 'BYMONTH' => 3 )); |
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| 185 | return TRUE; |
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| 186 | } |
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| 187 | /** |
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| 188 | * convert date/datetime to timestamp |
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| 189 | * |
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| 190 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
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| 191 | * @since 2.4.8 - 2008-10-30 |
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| 192 | * @param array $datetime datetime/(date) |
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| 193 | * @param string $tz timezone |
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| 194 | * @return timestamp |
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| 195 | */ |
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| 196 | public static function _date2timestamp( $datetime, $tz=null ) { |
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| 197 | $output = null; |
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| 198 | if( !isset( $datetime['hour'] )) $datetime['hour'] = '0'; |
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| 199 | if( !isset( $datetime['min'] )) $datetime['min'] = '0'; |
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| 200 | if( !isset( $datetime['sec'] )) $datetime['sec'] = '0'; |
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| 201 | foreach( $datetime as $dkey => $dvalue ) { |
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| 202 | if( 'tz' != $dkey ) |
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| 203 | $datetime[$dkey] = (integer) $dvalue; |
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| 204 | } |
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| 205 | if( $tz ) |
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| 206 | $datetime['tz'] = $tz; |
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| 207 | $offset = ( isset( $datetime['tz'] ) && ( '' < trim ( $datetime['tz'] ))) ? iCalUtilityFunctions::_tz2offset( $datetime['tz'] ) : 0; |
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| 208 | $output = mktime( $datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year'] ); |
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| 209 | return $output; |
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| 210 | } |
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| 211 | /** |
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| 212 | * ensures internal date-time/date format for input date-time/date in array format |
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| 213 | * |
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| 214 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
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| 215 | * @since 0.3.0 - 2006-08-15 |
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| 216 | * @param array $datetime |
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| 217 | * @param int $parno optional, default FALSE |
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| 218 | * @return array |
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| 219 | */ |
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| 220 | public static function _date_time_array( $datetime, $parno=FALSE ) { |
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| 221 | $output = array(); |
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| 222 | foreach( $datetime as $dateKey => $datePart ) { |
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| 223 | switch ( $dateKey ) { |
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| 224 | case '0': case 'year': $output['year'] = $datePart; break; |
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| 225 | case '1': case 'month': $output['month'] = $datePart; break; |
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| 226 | case '2': case 'day': $output['day'] = $datePart; break; |
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| 227 | } |
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| 228 | if( 3 != $parno ) { |
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| 229 | switch ( $dateKey ) { |
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| 230 | case '0': |
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| 231 | case '1': |
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| 232 | case '2': break; |
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| 233 | case '3': case 'hour': $output['hour'] = $datePart; break; |
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| 234 | case '4': case 'min' : $output['min'] = $datePart; break; |
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| 235 | case '5': case 'sec' : $output['sec'] = $datePart; break; |
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| 236 | case '6': case 'tz' : $output['tz'] = $datePart; break; |
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| 237 | } |
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| 238 | } |
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| 239 | } |
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| 240 | if( 3 != $parno ) { |
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| 241 | if( !isset( $output['hour'] )) |
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| 242 | $output['hour'] = 0; |
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| 243 | if( !isset( $output['min'] )) |
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| 244 | $output['min'] = 0; |
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| 245 | if( !isset( $output['sec'] )) |
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| 246 | $output['sec'] = 0; |
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| 247 | } |
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| 248 | return $output; |
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| 249 | } |
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| 250 | /** |
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| 251 | * ensures internal date-time/date format for input date-time/date in string fromat |
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| 252 | * |
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| 253 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
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| 254 | * @since 2.6.35 - 2010-12-03 |
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| 255 | * @param array $datetime |
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| 256 | * @param int $parno optional, default FALSE |
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| 257 | * @return array |
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| 258 | */ |
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| 259 | public static function _date_time_string( $datetime, $parno=FALSE ) { |
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| 260 | $datetime = (string) trim( $datetime ); |
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| 261 | $tz = null; |
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| 262 | $len = strlen( $datetime ) - 1; |
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| 263 | if( 'Z' == substr( $datetime, -1 )) { |
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| 264 | $tz = 'Z'; |
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| 265 | $datetime = trim( substr( $datetime, 0, $len )); |
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| 266 | } |
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| 267 | elseif( ( ctype_digit( substr( $datetime, -2, 2 ))) && // time or date |
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| 268 | ( '-' == substr( $datetime, -3, 1 )) || |
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| 269 | ( ':' == substr( $datetime, -3, 1 )) || |
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| 270 | ( '.' == substr( $datetime, -3, 1 ))) { |
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| 271 | $continue = TRUE; |
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| 272 | } |
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| 273 | elseif( ( ctype_digit( substr( $datetime, -4, 4 ))) && // 4 pos offset |
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| 274 | ( ' +' == substr( $datetime, -6, 2 )) || |
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| 275 | ( ' -' == substr( $datetime, -6, 2 ))) { |
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| 276 | $tz = substr( $datetime, -5, 5 ); |
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| 277 | $datetime = substr( $datetime, 0, ($len - 5)); |
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| 278 | } |
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| 279 | elseif( ( ctype_digit( substr( $datetime, -6, 6 ))) && // 6 pos offset |
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| 280 | ( ' +' == substr( $datetime, -8, 2 )) || |
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| 281 | ( ' -' == substr( $datetime, -8, 2 ))) { |
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| 282 | $tz = substr( $datetime, -7, 7 ); |
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| 283 | $datetime = substr( $datetime, 0, ($len - 7)); |
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| 284 | } |
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| 285 | elseif( ( 6 < $len ) && ( ctype_digit( substr( $datetime, -6, 6 )))) { |
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| 286 | $continue = TRUE; |
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| 287 | } |
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| 288 | elseif( 'T' == substr( $datetime, -7, 1 )) { |
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| 289 | $continue = TRUE; |
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| 290 | } |
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| 291 | else { |
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| 292 | $cx = $tx = 0; // 19970415T133000 US-Eastern |
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| 293 | for( $cx = -1; $cx > ( 9 - $len ); $cx-- ) { |
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| 294 | $char = substr( $datetime, $cx, 1 ); |
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| 295 | if(( ' ' == $char) || ctype_digit( $char)) |
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| 296 | break; // if exists, tz ends here.. . ? |
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| 297 | else |
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| 298 | $tx--; // tz length counter |
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| 299 | } |
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| 300 | if( 0 > $tx ) { |
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| 301 | $tz = substr( $datetime, $tx ); |
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| 302 | $datetime = trim( substr( $datetime, 0, $len + $tx + 1 )); |
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| 303 | } |
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| 304 | } |
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| 305 | if( 0 < substr_count( $datetime, '-' )) { |
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| 306 | $datetime = str_replace( '-', '/', $datetime ); |
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| 307 | } |
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| 308 | elseif( ctype_digit( substr( $datetime, 0, 8 )) && |
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| 309 | ( 'T' == substr( $datetime, 8, 1 )) && |
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| 310 | ctype_digit( substr( $datetime, 9, 6 ))) { |
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| 311 | $datetime = substr( $datetime, 4, 2 ) |
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| 312 | .'/'.substr( $datetime, 6, 2 ) |
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| 313 | .'/'.substr( $datetime, 0, 4 ) |
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| 314 | .' '.substr( $datetime, 9, 2 ) |
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| 315 | .':'.substr( $datetime, 11, 2 ) |
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| 316 | .':'.substr( $datetime, 13); |
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| 317 | } |
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| 318 | $datestring = date( 'Y-m-d H:i:s', strtotime( $datetime )); |
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| 319 | $tz = trim( $tz ); |
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| 320 | $output = array(); |
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| 321 | $output['year'] = substr( $datestring, 0, 4 ); |
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| 322 | $output['month'] = substr( $datestring, 5, 2 ); |
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| 323 | $output['day'] = substr( $datestring, 8, 2 ); |
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| 324 | if(( 6 == $parno ) || ( 7 == $parno ) || ( !$parno && ( 'Z' == $tz ))) { |
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| 325 | $output['hour'] = substr( $datestring, 11, 2 ); |
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| 326 | $output['min'] = substr( $datestring, 14, 2 ); |
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| 327 | $output['sec'] = substr( $datestring, 17, 2 ); |
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| 328 | if( !empty( $tz )) |
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| 329 | $output['tz'] = $tz; |
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| 330 | } |
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| 331 | elseif( 3 != $parno ) { |
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| 332 | if(( '00' < substr( $datestring, 11, 2 )) || |
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| 333 | ( '00' < substr( $datestring, 14, 2 )) || |
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| 334 | ( '00' < substr( $datestring, 17, 2 ))) { |
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| 335 | $output['hour'] = substr( $datestring, 11, 2 ); |
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| 336 | $output['min'] = substr( $datestring, 14, 2 ); |
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| 337 | $output['sec'] = substr( $datestring, 17, 2 ); |
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| 338 | } |
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| 339 | if( !empty( $tz )) |
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| 340 | $output['tz'] = $tz; |
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| 341 | } |
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| 342 | return $output; |
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| 343 | } |
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| 344 | /** |
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| 345 | * convert local startdate/enddate (Ymd[His]) to duration array |
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| 346 | * |
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| 347 | * uses this component dates if missing input dates |
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| 348 | * |
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| 349 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
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| 350 | * @since 2.6.11 - 2010-10-21 |
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| 351 | * @param array $startdate |
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| 352 | * @param array $duration |
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| 353 | * @return array duration |
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| 354 | */ |
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| 355 | public static function _date2duration( $startdate, $enddate ) { |
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| 356 | $startWdate = mktime( 0, 0, 0, $startdate['month'], $startdate['day'], $startdate['year'] ); |
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| 357 | $endWdate = mktime( 0, 0, 0, $enddate['month'], $enddate['day'], $enddate['year'] ); |
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| 358 | $wduration = $endWdate - $startWdate; |
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| 359 | $dur = array(); |
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| 360 | $dur['week'] = (int) floor( $wduration / ( 7 * 24 * 60 * 60 )); |
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| 361 | $wduration = $wduration % ( 7 * 24 * 60 * 60 ); |
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| 362 | $dur['day'] = (int) floor( $wduration / ( 24 * 60 * 60 )); |
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| 363 | $wduration = $wduration % ( 24 * 60 * 60 ); |
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| 364 | $dur['hour'] = (int) floor( $wduration / ( 60 * 60 )); |
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| 365 | $wduration = $wduration % ( 60 * 60 ); |
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| 366 | $dur['min'] = (int) floor( $wduration / ( 60 )); |
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| 367 | $dur['sec'] = (int) $wduration % ( 60 ); |
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| 368 | return $dur; |
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| 369 | } |
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| 370 | /** |
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| 371 | * ensures internal duration format for input in array format |
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| 372 | * |
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| 373 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
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| 374 | * @since 2.1.1 - 2007-06-24 |
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| 375 | * @param array $duration |
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| 376 | * @return array |
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| 377 | */ |
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| 378 | public static function _duration_array( $duration ) { |
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| 379 | $output = array(); |
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| 380 | if( is_array( $duration ) && |
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| 381 | ( 1 == count( $duration )) && |
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| 382 | isset( $duration['sec'] ) && |
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| 383 | ( 60 < $duration['sec'] )) { |
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| 384 | $durseconds = $duration['sec']; |
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| 385 | $output['week'] = floor( $durseconds / ( 60 * 60 * 24 * 7 )); |
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| 386 | $durseconds = $durseconds % ( 60 * 60 * 24 * 7 ); |
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| 387 | $output['day'] = floor( $durseconds / ( 60 * 60 * 24 )); |
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| 388 | $durseconds = $durseconds % ( 60 * 60 * 24 ); |
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| 389 | $output['hour'] = floor( $durseconds / ( 60 * 60 )); |
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| 390 | $durseconds = $durseconds % ( 60 * 60 ); |
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| 391 | $output['min'] = floor( $durseconds / ( 60 )); |
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| 392 | $output['sec'] = ( $durseconds % ( 60 )); |
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| 393 | } |
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| 394 | else { |
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| 395 | foreach( $duration as $durKey => $durValue ) { |
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| 396 | if( empty( $durValue )) continue; |
---|
| 397 | switch ( $durKey ) { |
---|
| 398 | case '0': case 'week': $output['week'] = $durValue; break; |
---|
| 399 | case '1': case 'day': $output['day'] = $durValue; break; |
---|
| 400 | case '2': case 'hour': $output['hour'] = $durValue; break; |
---|
| 401 | case '3': case 'min': $output['min'] = $durValue; break; |
---|
| 402 | case '4': case 'sec': $output['sec'] = $durValue; break; |
---|
| 403 | } |
---|
| 404 | } |
---|
| 405 | } |
---|
| 406 | if( isset( $output['week'] ) && ( 0 < $output['week'] )) { |
---|
| 407 | unset( $output['day'], $output['hour'], $output['min'], $output['sec'] ); |
---|
| 408 | return $output; |
---|
| 409 | } |
---|
| 410 | unset( $output['week'] ); |
---|
| 411 | if( empty( $output['day'] )) |
---|
| 412 | unset( $output['day'] ); |
---|
| 413 | if ( isset( $output['hour'] ) || isset( $output['min'] ) || isset( $output['sec'] )) { |
---|
| 414 | if( !isset( $output['hour'] )) $output['hour'] = 0; |
---|
| 415 | if( !isset( $output['min'] )) $output['min'] = 0; |
---|
| 416 | if( !isset( $output['sec'] )) $output['sec'] = 0; |
---|
| 417 | if(( 0 == $output['hour'] ) && ( 0 == $output['min'] ) && ( 0 == $output['sec'] )) |
---|
| 418 | unset( $output['hour'], $output['min'], $output['sec'] ); |
---|
| 419 | } |
---|
| 420 | return $output; |
---|
| 421 | } |
---|
| 422 | /** |
---|
| 423 | * ensures internal duration format for input in string format |
---|
| 424 | * |
---|
| 425 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 426 | * @since 2.0.5 - 2007-03-14 |
---|
| 427 | * @param string $duration |
---|
| 428 | * @return array |
---|
| 429 | */ |
---|
| 430 | public static function _duration_string( $duration ) { |
---|
| 431 | $duration = (string) trim( $duration ); |
---|
| 432 | while( 'P' != strtoupper( substr( $duration, 0, 1 ))) { |
---|
| 433 | if( 0 < strlen( $duration )) |
---|
| 434 | $duration = substr( $duration, 1 ); |
---|
| 435 | else |
---|
| 436 | return false; // no leading P !?!? |
---|
| 437 | } |
---|
| 438 | $duration = substr( $duration, 1 ); // skip P |
---|
| 439 | $duration = str_replace ( 't', 'T', $duration ); |
---|
| 440 | $duration = str_replace ( 'T', '', $duration ); |
---|
| 441 | $output = array(); |
---|
| 442 | $val = null; |
---|
[7655] | 443 | for( $ix=0; $ix < strlen( $duration ); ++$ix ) { |
---|
[5341] | 444 | switch( strtoupper( substr( $duration, $ix, 1 ))) { |
---|
| 445 | case 'W': |
---|
| 446 | $output['week'] = $val; |
---|
| 447 | $val = null; |
---|
| 448 | break; |
---|
| 449 | case 'D': |
---|
| 450 | $output['day'] = $val; |
---|
| 451 | $val = null; |
---|
| 452 | break; |
---|
| 453 | case 'H': |
---|
| 454 | $output['hour'] = $val; |
---|
| 455 | $val = null; |
---|
| 456 | break; |
---|
| 457 | case 'M': |
---|
| 458 | $output['min'] = $val; |
---|
| 459 | $val = null; |
---|
| 460 | break; |
---|
| 461 | case 'S': |
---|
| 462 | $output['sec'] = $val; |
---|
| 463 | $val = null; |
---|
| 464 | break; |
---|
| 465 | default: |
---|
| 466 | if( !ctype_digit( substr( $duration, $ix, 1 ))) |
---|
| 467 | return false; // unknown duration control character !?!? |
---|
| 468 | else |
---|
| 469 | $val .= substr( $duration, $ix, 1 ); |
---|
| 470 | } |
---|
| 471 | } |
---|
| 472 | return iCalUtilityFunctions::_duration_array( $output ); |
---|
| 473 | } |
---|
| 474 | /** |
---|
| 475 | * convert duration to date in array format |
---|
| 476 | * |
---|
| 477 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 478 | * @since 2.8.7 - 2011-03-03 |
---|
| 479 | * @param array $startdate |
---|
| 480 | * @param array $duration |
---|
| 481 | * @return array, date format |
---|
| 482 | */ |
---|
| 483 | public static function _duration2date( $startdate=null, $duration=null ) { |
---|
| 484 | if( empty( $startdate )) return FALSE; |
---|
| 485 | if( empty( $duration )) return FALSE; |
---|
| 486 | $dateOnly = ( isset( $startdate['hour'] ) || isset( $startdate['min'] ) || isset( $startdate['sec'] )) ? FALSE : TRUE; |
---|
| 487 | $startdate['hour'] = ( isset( $startdate['hour'] )) ? $startdate['hour'] : 0; |
---|
| 488 | $startdate['min'] = ( isset( $startdate['min'] )) ? $startdate['min'] : 0; |
---|
| 489 | $startdate['sec'] = ( isset( $startdate['sec'] )) ? $startdate['sec'] : 0; |
---|
| 490 | $dtend = 0; |
---|
| 491 | if( isset( $duration['week'] )) |
---|
| 492 | $dtend += ( $duration['week'] * 7 * 24 * 60 * 60 ); |
---|
| 493 | if( isset( $duration['day'] )) |
---|
| 494 | $dtend += ( $duration['day'] * 24 * 60 * 60 ); |
---|
| 495 | if( isset( $duration['hour'] )) |
---|
| 496 | $dtend += ( $duration['hour'] * 60 *60 ); |
---|
| 497 | if( isset( $duration['min'] )) |
---|
| 498 | $dtend += ( $duration['min'] * 60 ); |
---|
| 499 | if( isset( $duration['sec'] )) |
---|
| 500 | $dtend += $duration['sec']; |
---|
| 501 | $dtend = mktime( $startdate['hour'], $startdate['min'], ( $startdate['sec'] + $dtend ), $startdate['month'], $startdate['day'], $startdate['year'] ); |
---|
| 502 | $dtend2 = array(); |
---|
| 503 | $dtend2['year'] = date('Y', $dtend ); |
---|
| 504 | $dtend2['month'] = date('m', $dtend ); |
---|
| 505 | $dtend2['day'] = date('d', $dtend ); |
---|
| 506 | $dtend2['hour'] = date('H', $dtend ); |
---|
| 507 | $dtend2['min'] = date('i', $dtend ); |
---|
| 508 | $dtend2['sec'] = date('s', $dtend ); |
---|
| 509 | if( isset( $startdate['tz'] )) |
---|
| 510 | $dtend2['tz'] = $startdate['tz']; |
---|
| 511 | if( $dateOnly && (( 0 == $dtend2['hour'] ) && ( 0 == $dtend2['min'] ) && ( 0 == $dtend2['sec'] ))) |
---|
| 512 | unset( $dtend2['hour'], $dtend2['min'], $dtend2['sec'] ); |
---|
| 513 | return $dtend2; |
---|
| 514 | } |
---|
| 515 | /** |
---|
| 516 | * if not preSet, if exist, remove key with expected value from array and return hit value else return elseValue |
---|
| 517 | * |
---|
| 518 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 519 | * @since 2.4.16 - 2008-11-08 |
---|
| 520 | * @param array $array |
---|
| 521 | * @param string $expkey, expected key |
---|
| 522 | * @param string $expval, expected value |
---|
| 523 | * @param int $hitVal optional, return value if found |
---|
| 524 | * @param int $elseVal optional, return value if not found |
---|
| 525 | * @param int $preSet optional, return value if already preset |
---|
| 526 | * @return int |
---|
| 527 | */ |
---|
| 528 | public static function _existRem( &$array, $expkey, $expval=FALSE, $hitVal=null, $elseVal=null, $preSet=null ) { |
---|
| 529 | if( $preSet ) |
---|
| 530 | return $preSet; |
---|
| 531 | if( !is_array( $array ) || ( 0 == count( $array ))) |
---|
| 532 | return $elseVal; |
---|
| 533 | foreach( $array as $key => $value ) { |
---|
| 534 | if( strtoupper( $expkey ) == strtoupper( $key )) { |
---|
| 535 | if( !$expval || ( strtoupper( $expval ) == strtoupper( $array[$key] ))) { |
---|
| 536 | unset( $array[$key] ); |
---|
| 537 | return $hitVal; |
---|
| 538 | } |
---|
| 539 | } |
---|
| 540 | } |
---|
| 541 | return $elseVal; |
---|
| 542 | } |
---|
| 543 | /** |
---|
| 544 | * creates formatted output for calendar component property data value type date/date-time |
---|
| 545 | * |
---|
| 546 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 547 | * @since 2.4.8 - 2008-10-30 |
---|
| 548 | * @param array $datetime |
---|
| 549 | * @param int $parno, optional, default 6 |
---|
| 550 | * @return string |
---|
| 551 | */ |
---|
| 552 | public static function _format_date_time( $datetime, $parno=6 ) { |
---|
| 553 | if( !isset( $datetime['year'] ) && |
---|
| 554 | !isset( $datetime['month'] ) && |
---|
| 555 | !isset( $datetime['day'] ) && |
---|
| 556 | !isset( $datetime['hour'] ) && |
---|
| 557 | !isset( $datetime['min'] ) && |
---|
| 558 | !isset( $datetime['sec'] )) |
---|
| 559 | return ; |
---|
| 560 | $output = null; |
---|
| 561 | // if( !isset( $datetime['day'] )) { $o=''; foreach($datetime as $k=>$v) {if(is_array($v)) $v=implode('-',$v);$o.=" $k=>$v";} echo " day SAKNAS : $o <br />\n"; } |
---|
| 562 | foreach( $datetime as $dkey => & $dvalue ) |
---|
| 563 | if( 'tz' != $dkey ) $dvalue = (integer) $dvalue; |
---|
| 564 | $output = date('Ymd', mktime( 0, 0, 0, $datetime['month'], $datetime['day'], $datetime['year'])); |
---|
| 565 | if( isset( $datetime['hour'] ) || |
---|
| 566 | isset( $datetime['min'] ) || |
---|
| 567 | isset( $datetime['sec'] ) || |
---|
| 568 | isset( $datetime['tz'] )) { |
---|
| 569 | if( isset( $datetime['tz'] ) && |
---|
| 570 | !isset( $datetime['hour'] )) |
---|
| 571 | $datetime['hour'] = 0; |
---|
| 572 | if( isset( $datetime['hour'] ) && |
---|
| 573 | !isset( $datetime['min'] )) |
---|
| 574 | $datetime['min'] = 0; |
---|
| 575 | if( isset( $datetime['hour'] ) && |
---|
| 576 | isset( $datetime['min'] ) && |
---|
| 577 | !isset( $datetime['sec'] )) |
---|
| 578 | $datetime['sec'] = 0; |
---|
| 579 | $date = mktime( $datetime['hour'], $datetime['min'], $datetime['sec'], $datetime['month'], $datetime['day'], $datetime['year']); |
---|
| 580 | $output .= date('\THis', $date ); |
---|
| 581 | if( isset( $datetime['tz'] ) && ( '' < trim ( $datetime['tz'] ))) { |
---|
| 582 | $datetime['tz'] = trim( $datetime['tz'] ); |
---|
| 583 | if( 'Z' == $datetime['tz'] ) |
---|
| 584 | $output .= 'Z'; |
---|
| 585 | $offset = iCalUtilityFunctions::_tz2offset( $datetime['tz'] ); |
---|
| 586 | if( 0 != $offset ) { |
---|
| 587 | $date = mktime( $datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year']); |
---|
| 588 | $output = date( 'Ymd\THis\Z', $date ); |
---|
| 589 | } |
---|
| 590 | } |
---|
| 591 | elseif( 7 == $parno ) |
---|
| 592 | $output .= 'Z'; |
---|
| 593 | } |
---|
| 594 | return $output; |
---|
| 595 | } |
---|
| 596 | /** |
---|
| 597 | * creates formatted output for calendar component property data value type duration |
---|
| 598 | * |
---|
| 599 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 600 | * @since 2.9.9 - 2011-06-17 |
---|
| 601 | * @param array $duration ( week, day, hour, min, sec ) |
---|
| 602 | * @return string |
---|
| 603 | */ |
---|
| 604 | public static function _format_duration( $duration ) { |
---|
| 605 | if( isset( $duration['week'] ) || |
---|
| 606 | isset( $duration['day'] ) || |
---|
| 607 | isset( $duration['hour'] ) || |
---|
| 608 | isset( $duration['min'] ) || |
---|
| 609 | isset( $duration['sec'] )) |
---|
| 610 | $ok = TRUE; |
---|
| 611 | else |
---|
| 612 | return; |
---|
| 613 | if( isset( $duration['week'] ) && ( 0 < $duration['week'] )) |
---|
| 614 | return 'P'.$duration['week'].'W'; |
---|
| 615 | $output = 'P'; |
---|
| 616 | if( isset($duration['day'] ) && ( 0 < $duration['day'] )) |
---|
| 617 | $output .= $duration['day'].'D'; |
---|
| 618 | if(( isset( $duration['hour']) && ( 0 < $duration['hour'] )) || |
---|
| 619 | ( isset( $duration['min']) && ( 0 < $duration['min'] )) || |
---|
| 620 | ( isset( $duration['sec']) && ( 0 < $duration['sec'] ))) |
---|
| 621 | $output .= 'T'; |
---|
| 622 | $output .= ( isset( $duration['hour']) && ( 0 < $duration['hour'] )) ? $duration['hour'].'H' : ''; |
---|
| 623 | $output .= ( isset( $duration['min']) && ( 0 < $duration['min'] )) ? $duration['min']. 'M' : ''; |
---|
| 624 | $output .= ( isset( $duration['sec']) && ( 0 < $duration['sec'] )) ? $duration['sec']. 'S' : ''; |
---|
| 625 | if( 'P' == $output ) |
---|
| 626 | $output = 'PT0S'; |
---|
| 627 | return $output; |
---|
| 628 | } |
---|
| 629 | /** |
---|
| 630 | * checks if input array contains a date |
---|
| 631 | * |
---|
| 632 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 633 | * @since 2.4.16 - 2008-10-25 |
---|
| 634 | * @param array $input |
---|
| 635 | * @return bool |
---|
| 636 | */ |
---|
| 637 | public static function _isArrayDate( $input ) { |
---|
| 638 | if( isset( $input['week'] ) || ( !in_array( count( $input ), array( 3, 6, 7 )))) |
---|
| 639 | return FALSE; |
---|
| 640 | if( 7 == count( $input )) |
---|
| 641 | return TRUE; |
---|
| 642 | if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] )) |
---|
| 643 | return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] ); |
---|
| 644 | if( isset( $input['day'] ) || isset( $input['hour'] ) || isset( $input['min'] ) || isset( $input['sec'] )) |
---|
| 645 | return FALSE; |
---|
| 646 | if( in_array( 0, $input )) |
---|
| 647 | return FALSE; |
---|
| 648 | if(( 1970 > $input[0] ) || ( 12 < $input[1] ) || ( 31 < $input[2] )) |
---|
| 649 | return FALSE; |
---|
| 650 | if(( isset( $input[0] ) && isset( $input[1] ) && isset( $input[2] )) && |
---|
| 651 | checkdate( (int) $input[1], (int) $input[2], (int) $input[0] )) |
---|
| 652 | return TRUE; |
---|
| 653 | $input = iCalUtilityFunctions::_date_time_string( $input[1].'/'.$input[2].'/'.$input[0], 3 ); // m - d - Y |
---|
| 654 | if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] )) |
---|
| 655 | return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] ); |
---|
| 656 | return FALSE; |
---|
| 657 | } |
---|
| 658 | /** |
---|
| 659 | * checks if input array contains a timestamp date |
---|
| 660 | * |
---|
| 661 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 662 | * @since 2.4.16 - 2008-10-18 |
---|
| 663 | * @param array $input |
---|
| 664 | * @return bool |
---|
| 665 | */ |
---|
| 666 | public static function _isArrayTimestampDate( $input ) { |
---|
| 667 | return ( is_array( $input ) && isset( $input['timestamp'] )) ? TRUE : FALSE ; |
---|
| 668 | } |
---|
| 669 | /** |
---|
| 670 | * controll if input string contains trailing UTC offset |
---|
| 671 | * |
---|
| 672 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 673 | * @since 2.4.16 - 2008-10-19 |
---|
| 674 | * @param string $input |
---|
| 675 | * @return bool |
---|
| 676 | */ |
---|
| 677 | public static function _isOffset( $input ) { |
---|
| 678 | $input = trim( (string) $input ); |
---|
| 679 | if( 'Z' == substr( $input, -1 )) |
---|
| 680 | return TRUE; |
---|
| 681 | elseif(( 5 <= strlen( $input )) && |
---|
| 682 | ( in_array( substr( $input, -5, 1 ), array( '+', '-' ))) && |
---|
| 683 | ( '0000' < substr( $input, -4 )) && ( '9999' >= substr( $input, -4 ))) |
---|
| 684 | return TRUE; |
---|
| 685 | elseif(( 7 <= strlen( $input )) && |
---|
| 686 | ( in_array( substr( $input, -7, 1 ), array( '+', '-' ))) && |
---|
| 687 | ( '000000' < substr( $input, -6 )) && ( '999999' >= substr( $input, -6 ))) |
---|
| 688 | return TRUE; |
---|
| 689 | return FALSE; |
---|
| 690 | |
---|
| 691 | } |
---|
| 692 | /** |
---|
| 693 | * transform offset in seconds to [-/+]hhmm[ss] |
---|
| 694 | * |
---|
| 695 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 696 | * @since 2011-05-02 |
---|
| 697 | * @param string $seconds |
---|
| 698 | * @return string |
---|
| 699 | */ |
---|
| 700 | public static function offsetSec2His( $seconds ) { |
---|
| 701 | if( '-' == substr( $seconds, 0, 1 )) { |
---|
| 702 | $prefix = '-'; |
---|
| 703 | $seconds = substr( $seconds, 1 ); |
---|
| 704 | } |
---|
| 705 | elseif( '+' == substr( $seconds, 0, 1 )) { |
---|
| 706 | $prefix = '+'; |
---|
| 707 | $seconds = substr( $seconds, 1 ); |
---|
| 708 | } |
---|
| 709 | else |
---|
| 710 | $prefix = '+'; |
---|
| 711 | $output = ''; |
---|
| 712 | $hour = (int) floor( $seconds / 3600 ); |
---|
| 713 | if( 10 > $hour ) |
---|
| 714 | $hour = '0'.$hour; |
---|
| 715 | $seconds = $seconds % 3600; |
---|
| 716 | $min = (int) floor( $seconds / 60 ); |
---|
| 717 | if( 10 > $min ) |
---|
| 718 | $min = '0'.$min; |
---|
| 719 | $output = $hour.$min; |
---|
| 720 | $seconds = $seconds % 60; |
---|
| 721 | if( 0 < $seconds) { |
---|
| 722 | if( 9 < $seconds) |
---|
| 723 | $output .= $seconds; |
---|
| 724 | else |
---|
| 725 | $output .= '0'.$seconds; |
---|
| 726 | } |
---|
| 727 | return $prefix.$output; |
---|
| 728 | } |
---|
| 729 | /** |
---|
| 730 | * remakes a recur pattern to an array of dates |
---|
| 731 | * |
---|
| 732 | * if missing, UNTIL is set 1 year from startdate (emergency break) |
---|
| 733 | * |
---|
| 734 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 735 | * @since 2.9.10 - 2011-07-07 |
---|
| 736 | * @param array $result, array to update, array([timestamp] => timestamp) |
---|
| 737 | * @param array $recur, pattern for recurrency (only value part, params ignored) |
---|
| 738 | * @param array $wdate, component start date |
---|
| 739 | * @param array $startdate, start date |
---|
| 740 | * @param array $enddate, optional |
---|
| 741 | * @return array of recurrence (start-)dates as index |
---|
| 742 | * @todo BYHOUR, BYMINUTE, BYSECOND, ev. BYSETPOS due to ambiguity, WEEKLY at year end/start |
---|
| 743 | */ |
---|
| 744 | public static function _recur2date( & $result, $recur, $wdate, $startdate, $enddate=FALSE ) { |
---|
| 745 | foreach( $wdate as $k => $v ) if( ctype_digit( $v )) $wdate[$k] = (int) $v; |
---|
| 746 | $wdateStart = $wdate; |
---|
| 747 | $wdatets = iCalUtilityFunctions::_date2timestamp( $wdate ); |
---|
| 748 | $startdatets = iCalUtilityFunctions::_date2timestamp( $startdate ); |
---|
| 749 | if( !$enddate ) { |
---|
| 750 | $enddate = $startdate; |
---|
| 751 | $enddate['year'] += 1; |
---|
| 752 | } |
---|
| 753 | // echo "recur __in_ comp start ".implode('-',$wdate)." period start ".implode('-',$startdate)." period end ".implode('-',$enddate)."<br />\n";print_r($recur);echo "<br />\n";//test### |
---|
| 754 | $endDatets = iCalUtilityFunctions::_date2timestamp( $enddate ); // fix break |
---|
| 755 | if( !isset( $recur['COUNT'] ) && !isset( $recur['UNTIL'] )) |
---|
| 756 | $recur['UNTIL'] = $enddate; // create break |
---|
| 757 | if( isset( $recur['UNTIL'] )) { |
---|
| 758 | $tdatets = iCalUtilityFunctions::_date2timestamp( $recur['UNTIL'] ); |
---|
| 759 | if( $endDatets > $tdatets ) { |
---|
| 760 | $endDatets = $tdatets; // emergency break |
---|
| 761 | $enddate = iCalUtilityFunctions::_timestamp2date( $endDatets, 6 ); |
---|
| 762 | } |
---|
| 763 | else |
---|
| 764 | $recur['UNTIL'] = iCalUtilityFunctions::_timestamp2date( $endDatets, 6 ); |
---|
| 765 | } |
---|
| 766 | if( $wdatets > $endDatets ) { |
---|
| 767 | // echo "recur out of date ".implode('-',iCalUtilityFunctions::_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test |
---|
| 768 | return array(); // nothing to do.. . |
---|
| 769 | } |
---|
| 770 | if( !isset( $recur['FREQ'] )) // "MUST be specified.. ." |
---|
| 771 | $recur['FREQ'] = 'DAILY'; // ?? |
---|
| 772 | $wkst = ( isset( $recur['WKST'] ) && ( 'SU' == $recur['WKST'] )) ? 24*60*60 : 0; // ?? |
---|
| 773 | $weekStart = (int) date( 'W', ( $wdatets + $wkst )); |
---|
| 774 | if( !isset( $recur['INTERVAL'] )) |
---|
| 775 | $recur['INTERVAL'] = 1; |
---|
| 776 | $countcnt = ( !isset( $recur['BYSETPOS'] )) ? 1 : 0; // DTSTART counts as the first occurrence |
---|
| 777 | /* find out how to step up dates and set index for interval count */ |
---|
| 778 | $step = array(); |
---|
| 779 | if( 'YEARLY' == $recur['FREQ'] ) |
---|
| 780 | $step['year'] = 1; |
---|
| 781 | elseif( 'MONTHLY' == $recur['FREQ'] ) |
---|
| 782 | $step['month'] = 1; |
---|
| 783 | elseif( 'WEEKLY' == $recur['FREQ'] ) |
---|
| 784 | $step['day'] = 7; |
---|
| 785 | else |
---|
| 786 | $step['day'] = 1; |
---|
| 787 | if( isset( $step['year'] ) && isset( $recur['BYMONTH'] )) |
---|
| 788 | $step = array( 'month' => 1 ); |
---|
| 789 | if( empty( $step ) && isset( $recur['BYWEEKNO'] )) // ?? |
---|
| 790 | $step = array( 'day' => 7 ); |
---|
| 791 | if( isset( $recur['BYYEARDAY'] ) || isset( $recur['BYMONTHDAY'] ) || isset( $recur['BYDAY'] )) |
---|
| 792 | $step = array( 'day' => 1 ); |
---|
| 793 | $intervalarr = array(); |
---|
| 794 | if( 1 < $recur['INTERVAL'] ) { |
---|
| 795 | $intervalix = iCalUtilityFunctions::_recurIntervalIx( $recur['FREQ'], $wdate, $wkst ); |
---|
| 796 | $intervalarr = array( $intervalix => 0 ); |
---|
| 797 | } |
---|
| 798 | if( isset( $recur['BYSETPOS'] )) { // save start date + weekno |
---|
| 799 | $bysetposymd1 = $bysetposymd2 = $bysetposw1 = $bysetposw2 = array(); |
---|
| 800 | // echo "bysetposXold_start=$bysetposYold $bysetposMold $bysetposDold<br />\n"; // test ### |
---|
| 801 | if( is_array( $recur['BYSETPOS'] )) { |
---|
| 802 | foreach( $recur['BYSETPOS'] as $bix => $bval ) |
---|
| 803 | $recur['BYSETPOS'][$bix] = (int) $bval; |
---|
| 804 | } |
---|
| 805 | else |
---|
| 806 | $recur['BYSETPOS'] = array( (int) $recur['BYSETPOS'] ); |
---|
| 807 | if( 'YEARLY' == $recur['FREQ'] ) { |
---|
| 808 | $wdate['month'] = $wdate['day'] = 1; // start from beginning of year |
---|
| 809 | $wdatets = iCalUtilityFunctions::_date2timestamp( $wdate ); |
---|
| 810 | iCalUtilityFunctions::_stepdate( $enddate, $endDatets, array( 'year' => 1 )); // make sure to count whole last year |
---|
| 811 | } |
---|
| 812 | elseif( 'MONTHLY' == $recur['FREQ'] ) { |
---|
| 813 | $wdate['day'] = 1; // start from beginning of month |
---|
| 814 | $wdatets = iCalUtilityFunctions::_date2timestamp( $wdate ); |
---|
| 815 | iCalUtilityFunctions::_stepdate( $enddate, $endDatets, array( 'month' => 1 )); // make sure to count whole last month |
---|
| 816 | } |
---|
| 817 | else |
---|
| 818 | iCalUtilityFunctions::_stepdate( $enddate, $endDatets, $step); // make sure to count whole last period |
---|
| 819 | // echo "BYSETPOS endDat++ =".implode('-',$enddate).' step='.var_export($step,TRUE)."<br />\n";//test### |
---|
| 820 | $bysetposWold = (int) date( 'W', ( $wdatets + $wkst )); |
---|
| 821 | $bysetposYold = $wdate['year']; |
---|
| 822 | $bysetposMold = $wdate['month']; |
---|
| 823 | $bysetposDold = $wdate['day']; |
---|
| 824 | } |
---|
| 825 | else |
---|
| 826 | iCalUtilityFunctions::_stepdate( $wdate, $wdatets, $step); |
---|
| 827 | $year_old = null; |
---|
| 828 | $daynames = array( 'SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA' ); |
---|
| 829 | /* MAIN LOOP */ |
---|
| 830 | // echo "recur start ".implode('-',$wdate)." end ".implode('-',$enddate)."<br />\n";//test |
---|
| 831 | while( TRUE ) { |
---|
| 832 | if( isset( $endDatets ) && ( $wdatets > $endDatets )) |
---|
| 833 | break; |
---|
| 834 | if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] )) |
---|
| 835 | break; |
---|
| 836 | if( $year_old != $wdate['year'] ) { |
---|
| 837 | $year_old = $wdate['year']; |
---|
| 838 | $daycnts = array(); |
---|
| 839 | $yeardays = $weekno = 0; |
---|
| 840 | $yeardaycnt = array(); |
---|
[7655] | 841 | for( $m = 1; $m <= 12; ++$m ) { // count up and update up-counters |
---|
[5341] | 842 | $daycnts[$m] = array(); |
---|
| 843 | $weekdaycnt = array(); |
---|
| 844 | foreach( $daynames as $dn ) |
---|
| 845 | $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0; |
---|
| 846 | $mcnt = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] )); |
---|
[7655] | 847 | for( $d = 1; $d <= $mcnt; ++$d ) { |
---|
[5341] | 848 | $daycnts[$m][$d] = array(); |
---|
| 849 | if( isset( $recur['BYYEARDAY'] )) { |
---|
[7655] | 850 | ++$yeardays; |
---|
[5341] | 851 | $daycnts[$m][$d]['yearcnt_up'] = $yeardays; |
---|
| 852 | } |
---|
| 853 | if( isset( $recur['BYDAY'] )) { |
---|
| 854 | $day = date( 'w', mktime( 0, 0, 0, $m, $d, $wdate['year'] )); |
---|
| 855 | $day = $daynames[$day]; |
---|
| 856 | $daycnts[$m][$d]['DAY'] = $day; |
---|
| 857 | $weekdaycnt[$day]++; |
---|
| 858 | $daycnts[$m][$d]['monthdayno_up'] = $weekdaycnt[$day]; |
---|
| 859 | $yeardaycnt[$day]++; |
---|
| 860 | $daycnts[$m][$d]['yeardayno_up'] = $yeardaycnt[$day]; |
---|
| 861 | } |
---|
| 862 | if( isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) |
---|
| 863 | $daycnts[$m][$d]['weekno_up'] =(int)date('W',mktime(0,0,$wkst,$m,$d,$wdate['year'])); |
---|
| 864 | } |
---|
| 865 | } |
---|
| 866 | $daycnt = 0; |
---|
| 867 | $yeardaycnt = array(); |
---|
| 868 | if( isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) { |
---|
| 869 | $weekno = null; |
---|
| 870 | for( $d=31; $d > 25; $d-- ) { // get last weekno for year |
---|
| 871 | if( !$weekno ) |
---|
| 872 | $weekno = $daycnts[12][$d]['weekno_up']; |
---|
| 873 | elseif( $weekno < $daycnts[12][$d]['weekno_up'] ) { |
---|
| 874 | $weekno = $daycnts[12][$d]['weekno_up']; |
---|
| 875 | break; |
---|
| 876 | } |
---|
| 877 | } |
---|
| 878 | } |
---|
| 879 | for( $m = 12; $m > 0; $m-- ) { // count down and update down-counters |
---|
| 880 | $weekdaycnt = array(); |
---|
| 881 | foreach( $daynames as $dn ) |
---|
| 882 | $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0; |
---|
| 883 | $monthcnt = 0; |
---|
| 884 | $mcnt = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] )); |
---|
| 885 | for( $d = $mcnt; $d > 0; $d-- ) { |
---|
| 886 | if( isset( $recur['BYYEARDAY'] )) { |
---|
| 887 | $daycnt -= 1; |
---|
| 888 | $daycnts[$m][$d]['yearcnt_down'] = $daycnt; |
---|
| 889 | } |
---|
| 890 | if( isset( $recur['BYMONTHDAY'] )) { |
---|
| 891 | $monthcnt -= 1; |
---|
| 892 | $daycnts[$m][$d]['monthcnt_down'] = $monthcnt; |
---|
| 893 | } |
---|
| 894 | if( isset( $recur['BYDAY'] )) { |
---|
| 895 | $day = $daycnts[$m][$d]['DAY']; |
---|
| 896 | $weekdaycnt[$day] -= 1; |
---|
| 897 | $daycnts[$m][$d]['monthdayno_down'] = $weekdaycnt[$day]; |
---|
| 898 | $yeardaycnt[$day] -= 1; |
---|
| 899 | $daycnts[$m][$d]['yeardayno_down'] = $yeardaycnt[$day]; |
---|
| 900 | } |
---|
| 901 | if( isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) |
---|
| 902 | $daycnts[$m][$d]['weekno_down'] = ($daycnts[$m][$d]['weekno_up'] - $weekno - 1); |
---|
| 903 | } |
---|
| 904 | } |
---|
| 905 | } |
---|
| 906 | /* check interval */ |
---|
| 907 | if( 1 < $recur['INTERVAL'] ) { |
---|
| 908 | /* create interval index */ |
---|
| 909 | $intervalix = iCalUtilityFunctions::_recurIntervalIx( $recur['FREQ'], $wdate, $wkst ); |
---|
| 910 | /* check interval */ |
---|
| 911 | $currentKey = array_keys( $intervalarr ); |
---|
| 912 | $currentKey = end( $currentKey ); // get last index |
---|
| 913 | if( $currentKey != $intervalix ) |
---|
| 914 | $intervalarr = array( $intervalix => ( $intervalarr[$currentKey] + 1 )); |
---|
| 915 | if(( $recur['INTERVAL'] != $intervalarr[$intervalix] ) && |
---|
| 916 | ( 0 != $intervalarr[$intervalix] )) { |
---|
| 917 | /* step up date */ |
---|
| 918 | // echo "skip: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."<br />\n";//test |
---|
| 919 | iCalUtilityFunctions::_stepdate( $wdate, $wdatets, $step); |
---|
| 920 | continue; |
---|
| 921 | } |
---|
| 922 | else // continue within the selected interval |
---|
| 923 | $intervalarr[$intervalix] = 0; |
---|
| 924 | // echo "cont: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."<br />\n";//test |
---|
| 925 | } |
---|
| 926 | $updateOK = TRUE; |
---|
| 927 | if( $updateOK && isset( $recur['BYMONTH'] )) |
---|
| 928 | $updateOK = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYMONTH'] |
---|
| 929 | , $wdate['month'] |
---|
| 930 | ,($wdate['month'] - 13)); |
---|
| 931 | if( $updateOK && isset( $recur['BYWEEKNO'] )) |
---|
| 932 | $updateOK = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYWEEKNO'] |
---|
| 933 | , $daycnts[$wdate['month']][$wdate['day']]['weekno_up'] |
---|
| 934 | , $daycnts[$wdate['month']][$wdate['day']]['weekno_down'] ); |
---|
| 935 | if( $updateOK && isset( $recur['BYYEARDAY'] )) |
---|
| 936 | $updateOK = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYYEARDAY'] |
---|
| 937 | , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_up'] |
---|
| 938 | , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_down'] ); |
---|
| 939 | if( $updateOK && isset( $recur['BYMONTHDAY'] )) |
---|
| 940 | $updateOK = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYMONTHDAY'] |
---|
| 941 | , $wdate['day'] |
---|
| 942 | , $daycnts[$wdate['month']][$wdate['day']]['monthcnt_down'] ); |
---|
| 943 | // echo "efter BYMONTHDAY: ".implode('-',$wdate).' status: '; echo ($updateOK) ? 'TRUE' : 'FALSE'; echo "<br />\n";//test### |
---|
| 944 | if( $updateOK && isset( $recur['BYDAY'] )) { |
---|
| 945 | $updateOK = FALSE; |
---|
| 946 | $m = $wdate['month']; |
---|
| 947 | $d = $wdate['day']; |
---|
| 948 | if( isset( $recur['BYDAY']['DAY'] )) { // single day, opt with year/month day order no |
---|
| 949 | $daynoexists = $daynosw = $daynamesw = FALSE; |
---|
| 950 | if( $recur['BYDAY']['DAY'] == $daycnts[$m][$d]['DAY'] ) |
---|
| 951 | $daynamesw = TRUE; |
---|
| 952 | if( isset( $recur['BYDAY'][0] )) { |
---|
| 953 | $daynoexists = TRUE; |
---|
| 954 | if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) || isset( $recur['BYMONTH'] )) |
---|
| 955 | $daynosw = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYDAY'][0] |
---|
| 956 | , $daycnts[$m][$d]['monthdayno_up'] |
---|
| 957 | , $daycnts[$m][$d]['monthdayno_down'] ); |
---|
| 958 | elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' )) |
---|
| 959 | $daynosw = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYDAY'][0] |
---|
| 960 | , $daycnts[$m][$d]['yeardayno_up'] |
---|
| 961 | , $daycnts[$m][$d]['yeardayno_down'] ); |
---|
| 962 | } |
---|
| 963 | if(( $daynoexists && $daynosw && $daynamesw ) || |
---|
| 964 | ( !$daynoexists && !$daynosw && $daynamesw )) { |
---|
| 965 | $updateOK = TRUE; |
---|
| 966 | } |
---|
| 967 | // echo "daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw<br />\n"; // test ### |
---|
| 968 | } |
---|
| 969 | else { |
---|
| 970 | foreach( $recur['BYDAY'] as $bydayvalue ) { |
---|
| 971 | $daynoexists = $daynosw = $daynamesw = FALSE; |
---|
| 972 | if( isset( $bydayvalue['DAY'] ) && |
---|
| 973 | ( $bydayvalue['DAY'] == $daycnts[$m][$d]['DAY'] )) |
---|
| 974 | $daynamesw = TRUE; |
---|
| 975 | if( isset( $bydayvalue[0] )) { |
---|
| 976 | $daynoexists = TRUE; |
---|
| 977 | if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) || |
---|
| 978 | isset( $recur['BYMONTH'] )) |
---|
| 979 | $daynosw = iCalUtilityFunctions::_recurBYcntcheck( $bydayvalue['0'] |
---|
| 980 | , $daycnts[$m][$d]['monthdayno_up'] |
---|
| 981 | , $daycnts[$m][$d]['monthdayno_down'] ); |
---|
| 982 | elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' )) |
---|
| 983 | $daynosw = iCalUtilityFunctions::_recurBYcntcheck( $bydayvalue['0'] |
---|
| 984 | , $daycnts[$m][$d]['yeardayno_up'] |
---|
| 985 | , $daycnts[$m][$d]['yeardayno_down'] ); |
---|
| 986 | } |
---|
| 987 | // echo "daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw<br />\n"; // test ### |
---|
| 988 | if(( $daynoexists && $daynosw && $daynamesw ) || |
---|
| 989 | ( !$daynoexists && !$daynosw && $daynamesw )) { |
---|
| 990 | $updateOK = TRUE; |
---|
| 991 | break; |
---|
| 992 | } |
---|
| 993 | } |
---|
| 994 | } |
---|
| 995 | } |
---|
| 996 | // echo "efter BYDAY: ".implode('-',$wdate).' status: '; echo ($updateOK) ? 'TRUE' : 'FALSE'; echo "<br />\n"; // test ### |
---|
| 997 | /* check BYSETPOS */ |
---|
| 998 | if( $updateOK ) { |
---|
| 999 | if( isset( $recur['BYSETPOS'] ) && |
---|
| 1000 | ( in_array( $recur['FREQ'], array( 'YEARLY', 'MONTHLY', 'WEEKLY', 'DAILY' )))) { |
---|
| 1001 | if( isset( $recur['WEEKLY'] )) { |
---|
| 1002 | if( $bysetposWold == $daycnts[$wdate['month']][$wdate['day']]['weekno_up'] ) |
---|
| 1003 | $bysetposw1[] = $wdatets; |
---|
| 1004 | else |
---|
| 1005 | $bysetposw2[] = $wdatets; |
---|
| 1006 | } |
---|
| 1007 | else { |
---|
| 1008 | if(( isset( $recur['FREQ'] ) && ( 'YEARLY' == $recur['FREQ'] ) && |
---|
| 1009 | ( $bysetposYold == $wdate['year'] )) || |
---|
| 1010 | ( isset( $recur['FREQ'] ) && ( 'MONTHLY' == $recur['FREQ'] ) && |
---|
| 1011 | (( $bysetposYold == $wdate['year'] ) && |
---|
| 1012 | ( $bysetposMold == $wdate['month'] ))) || |
---|
| 1013 | ( isset( $recur['FREQ'] ) && ( 'DAILY' == $recur['FREQ'] ) && |
---|
| 1014 | (( $bysetposYold == $wdate['year'] ) && |
---|
| 1015 | ( $bysetposMold == $wdate['month']) && |
---|
| 1016 | ( $bysetposDold == $wdate['day'] )))) { |
---|
| 1017 | // echo "bysetposymd1[]=".implode('-',iCalUtilityFunctions::_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test |
---|
| 1018 | $bysetposymd1[] = $wdatets; |
---|
| 1019 | } |
---|
| 1020 | else { |
---|
| 1021 | // echo "bysetposymd2[]=".implode('-',iCalUtilityFunctions::_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test |
---|
| 1022 | $bysetposymd2[] = $wdatets; |
---|
| 1023 | } |
---|
| 1024 | } |
---|
| 1025 | } |
---|
| 1026 | else { |
---|
| 1027 | /* update result array if BYSETPOS is set */ |
---|
[7655] | 1028 | ++$countcnt; |
---|
[5341] | 1029 | if( $startdatets <= $wdatets ) { // only output within period |
---|
| 1030 | $result[$wdatets] = TRUE; |
---|
| 1031 | // echo "recur ".implode('-',iCalUtilityFunctions::_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test |
---|
| 1032 | } |
---|
| 1033 | // echo "recur undate ".implode('-',iCalUtilityFunctions::_date_time_string(date('Y-m-d H:i:s',$wdatets),6))." okdatstart ".implode('-',iCalUtilityFunctions::_date_time_string(date('Y-m-d H:i:s',$startdatets),6))."<br />\n";//test |
---|
| 1034 | $updateOK = FALSE; |
---|
| 1035 | } |
---|
| 1036 | } |
---|
| 1037 | /* step up date */ |
---|
| 1038 | iCalUtilityFunctions::_stepdate( $wdate, $wdatets, $step); |
---|
| 1039 | /* check if BYSETPOS is set for updating result array */ |
---|
| 1040 | if( $updateOK && isset( $recur['BYSETPOS'] )) { |
---|
| 1041 | $bysetpos = FALSE; |
---|
| 1042 | if( isset( $recur['FREQ'] ) && ( 'YEARLY' == $recur['FREQ'] ) && |
---|
| 1043 | ( $bysetposYold != $wdate['year'] )) { |
---|
| 1044 | $bysetpos = TRUE; |
---|
| 1045 | $bysetposYold = $wdate['year']; |
---|
| 1046 | } |
---|
| 1047 | elseif( isset( $recur['FREQ'] ) && ( 'MONTHLY' == $recur['FREQ'] && |
---|
| 1048 | (( $bysetposYold != $wdate['year'] ) || ( $bysetposMold != $wdate['month'] )))) { |
---|
| 1049 | $bysetpos = TRUE; |
---|
| 1050 | $bysetposYold = $wdate['year']; |
---|
| 1051 | $bysetposMold = $wdate['month']; |
---|
| 1052 | } |
---|
| 1053 | elseif( isset( $recur['FREQ'] ) && ( 'WEEKLY' == $recur['FREQ'] )) { |
---|
| 1054 | $weekno = (int) date( 'W', mktime( 0, 0, $wkst, $wdate['month'], $wdate['day'], $wdate['year'])); |
---|
| 1055 | if( $bysetposWold != $weekno ) { |
---|
| 1056 | $bysetposWold = $weekno; |
---|
| 1057 | $bysetpos = TRUE; |
---|
| 1058 | } |
---|
| 1059 | } |
---|
| 1060 | elseif( isset( $recur['FREQ'] ) && ( 'DAILY' == $recur['FREQ'] ) && |
---|
| 1061 | (( $bysetposYold != $wdate['year'] ) || |
---|
| 1062 | ( $bysetposMold != $wdate['month'] ) || |
---|
| 1063 | ( $bysetposDold != $wdate['day'] ))) { |
---|
| 1064 | $bysetpos = TRUE; |
---|
| 1065 | $bysetposYold = $wdate['year']; |
---|
| 1066 | $bysetposMold = $wdate['month']; |
---|
| 1067 | $bysetposDold = $wdate['day']; |
---|
| 1068 | } |
---|
| 1069 | if( $bysetpos ) { |
---|
| 1070 | if( isset( $recur['BYWEEKNO'] )) { |
---|
| 1071 | $bysetposarr1 = & $bysetposw1; |
---|
| 1072 | $bysetposarr2 = & $bysetposw2; |
---|
| 1073 | } |
---|
| 1074 | else { |
---|
| 1075 | $bysetposarr1 = & $bysetposymd1; |
---|
| 1076 | $bysetposarr2 = & $bysetposymd2; |
---|
| 1077 | } |
---|
| 1078 | // echo 'test före out startYMD (weekno)='.$wdateStart['year'].':'.$wdateStart['month'].':'.$wdateStart['day']." ($weekStart) "; // test ### |
---|
| 1079 | foreach( $recur['BYSETPOS'] as $ix ) { |
---|
| 1080 | if( 0 > $ix ) // both positive and negative BYSETPOS allowed |
---|
| 1081 | $ix = ( count( $bysetposarr1 ) + $ix + 1); |
---|
| 1082 | $ix--; |
---|
| 1083 | if( isset( $bysetposarr1[$ix] )) { |
---|
| 1084 | if( $startdatets <= $bysetposarr1[$ix] ) { // only output within period |
---|
| 1085 | // $testdate = iCalUtilityFunctions::_timestamp2date( $bysetposarr1[$ix], 6 ); // test ### |
---|
| 1086 | // $testweekno = (int) date( 'W', mktime( 0, 0, $wkst, $testdate['month'], $testdate['day'], $testdate['year'] )); // test ### |
---|
| 1087 | // echo " testYMD (weekno)=".$testdate['year'].':'.$testdate['month'].':'.$testdate['day']." ($testweekno)"; // test ### |
---|
| 1088 | $result[$bysetposarr1[$ix]] = TRUE; |
---|
| 1089 | // echo " recur ".implode('-',iCalUtilityFunctions::_date_time_string(date('Y-m-d H:i:s',$bysetposarr1[$ix]),6)); // test ### |
---|
| 1090 | } |
---|
[7655] | 1091 | ++$countcnt; |
---|
[5341] | 1092 | } |
---|
| 1093 | if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] )) |
---|
| 1094 | break; |
---|
| 1095 | } |
---|
| 1096 | // echo "<br />\n"; // test ### |
---|
| 1097 | $bysetposarr1 = $bysetposarr2; |
---|
| 1098 | $bysetposarr2 = array(); |
---|
| 1099 | } |
---|
| 1100 | } |
---|
| 1101 | } |
---|
| 1102 | } |
---|
| 1103 | public static function _recurBYcntcheck( $BYvalue, $upValue, $downValue ) { |
---|
| 1104 | if( is_array( $BYvalue ) && |
---|
| 1105 | ( in_array( $upValue, $BYvalue ) || in_array( $downValue, $BYvalue ))) |
---|
| 1106 | return TRUE; |
---|
| 1107 | elseif(( $BYvalue == $upValue ) || ( $BYvalue == $downValue )) |
---|
| 1108 | return TRUE; |
---|
| 1109 | else |
---|
| 1110 | return FALSE; |
---|
| 1111 | } |
---|
| 1112 | public static function _recurIntervalIx( $freq, $date, $wkst ) { |
---|
| 1113 | /* create interval index */ |
---|
| 1114 | switch( $freq ) { |
---|
| 1115 | case 'YEARLY': |
---|
| 1116 | $intervalix = $date['year']; |
---|
| 1117 | break; |
---|
| 1118 | case 'MONTHLY': |
---|
| 1119 | $intervalix = $date['year'].'-'.$date['month']; |
---|
| 1120 | break; |
---|
| 1121 | case 'WEEKLY': |
---|
| 1122 | $wdatets = iCalUtilityFunctions::_date2timestamp( $date ); |
---|
| 1123 | $intervalix = (int) date( 'W', ( $wdatets + $wkst )); |
---|
| 1124 | break; |
---|
| 1125 | case 'DAILY': |
---|
| 1126 | default: |
---|
| 1127 | $intervalix = $date['year'].'-'.$date['month'].'-'.$date['day']; |
---|
| 1128 | break; |
---|
| 1129 | } |
---|
| 1130 | return $intervalix; |
---|
| 1131 | } |
---|
| 1132 | /** |
---|
| 1133 | * convert input format for exrule and rrule to internal format |
---|
| 1134 | * |
---|
| 1135 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1136 | * @since 2.9.10 - 2011-07-07 |
---|
| 1137 | * @param array $rexrule |
---|
| 1138 | * @return array |
---|
| 1139 | */ |
---|
| 1140 | public static function _setRexrule( $rexrule ) { |
---|
| 1141 | $input = array(); |
---|
| 1142 | if( empty( $rexrule )) |
---|
| 1143 | return $input; |
---|
| 1144 | foreach( $rexrule as $rexrulelabel => $rexrulevalue ) { |
---|
| 1145 | $rexrulelabel = strtoupper( $rexrulelabel ); |
---|
| 1146 | if( 'UNTIL' != $rexrulelabel ) |
---|
| 1147 | $input[$rexrulelabel] = $rexrulevalue; |
---|
| 1148 | else { |
---|
| 1149 | if( iCalUtilityFunctions::_isArrayTimestampDate( $rexrulevalue )) // timestamp date |
---|
| 1150 | $input[$rexrulelabel] = iCalUtilityFunctions::_timestamp2date( $rexrulevalue, 6 ); |
---|
| 1151 | elseif( iCalUtilityFunctions::_isArrayDate( $rexrulevalue )) // date-time |
---|
| 1152 | $input[$rexrulelabel] = iCalUtilityFunctions::_date_time_array( $rexrulevalue, 6 ); |
---|
| 1153 | elseif( 8 <= strlen( trim( $rexrulevalue ))) // ex. 2006-08-03 10:12:18 |
---|
| 1154 | $input[$rexrulelabel] = iCalUtilityFunctions::_date_time_string( $rexrulevalue ); |
---|
| 1155 | if(( 3 < count( $input[$rexrulelabel] )) && !isset( $input[$rexrulelabel]['tz'] )) |
---|
| 1156 | $input[$rexrulelabel]['tz'] = 'Z'; |
---|
| 1157 | } |
---|
| 1158 | } |
---|
| 1159 | /* set recurrence rule specification in rfc2445 order */ |
---|
| 1160 | $input2 = array(); |
---|
| 1161 | if( isset( $input['FREQ'] )) |
---|
| 1162 | $input2['FREQ'] = $input['FREQ']; |
---|
| 1163 | if( isset( $input['UNTIL'] )) |
---|
| 1164 | $input2['UNTIL'] = $input['UNTIL']; |
---|
| 1165 | elseif( isset( $input['COUNT'] )) |
---|
| 1166 | $input2['COUNT'] = $input['COUNT']; |
---|
| 1167 | if( isset( $input['INTERVAL'] )) |
---|
| 1168 | $input2['INTERVAL'] = $input['INTERVAL']; |
---|
| 1169 | if( isset( $input['BYSECOND'] )) |
---|
| 1170 | $input2['BYSECOND'] = $input['BYSECOND']; |
---|
| 1171 | if( isset( $input['BYMINUTE'] )) |
---|
| 1172 | $input2['BYMINUTE'] = $input['BYMINUTE']; |
---|
| 1173 | if( isset( $input['BYHOUR'] )) |
---|
| 1174 | $input2['BYHOUR'] = $input['BYHOUR']; |
---|
| 1175 | if( isset( $input['BYDAY'] )) { |
---|
| 1176 | if( !is_array( $input['BYDAY'] )) // ensure upper case.. . |
---|
| 1177 | $input2['BYDAY'] = strtoupper( $input['BYDAY'] ); |
---|
| 1178 | else { |
---|
| 1179 | foreach( $input['BYDAY'] as $BYDAYx => $BYDAYv ) { |
---|
| 1180 | if( 'DAY' == strtoupper( $BYDAYx )) |
---|
| 1181 | $input2['BYDAY']['DAY'] = strtoupper( $BYDAYv ); |
---|
| 1182 | elseif( !is_array( $BYDAYv )) { |
---|
| 1183 | $input2['BYDAY'][$BYDAYx] = $BYDAYv; |
---|
| 1184 | } |
---|
| 1185 | else { |
---|
| 1186 | foreach( $BYDAYv as $BYDAYx2 => $BYDAYv2 ) { |
---|
| 1187 | if( 'DAY' == strtoupper( $BYDAYx2 )) |
---|
| 1188 | $input2['BYDAY'][$BYDAYx]['DAY'] = strtoupper( $BYDAYv2 ); |
---|
| 1189 | else |
---|
| 1190 | $input2['BYDAY'][$BYDAYx][$BYDAYx2] = $BYDAYv2; |
---|
| 1191 | } |
---|
| 1192 | } |
---|
| 1193 | } |
---|
| 1194 | } |
---|
| 1195 | } |
---|
| 1196 | if( isset( $input['BYMONTHDAY'] )) |
---|
| 1197 | $input2['BYMONTHDAY'] = $input['BYMONTHDAY']; |
---|
| 1198 | if( isset( $input['BYYEARDAY'] )) |
---|
| 1199 | $input2['BYYEARDAY'] = $input['BYYEARDAY']; |
---|
| 1200 | if( isset( $input['BYWEEKNO'] )) |
---|
| 1201 | $input2['BYWEEKNO'] = $input['BYWEEKNO']; |
---|
| 1202 | if( isset( $input['BYMONTH'] )) |
---|
| 1203 | $input2['BYMONTH'] = $input['BYMONTH']; |
---|
| 1204 | if( isset( $input['BYSETPOS'] )) |
---|
| 1205 | $input2['BYSETPOS'] = $input['BYSETPOS']; |
---|
| 1206 | if( isset( $input['WKST'] )) |
---|
| 1207 | $input2['WKST'] = $input['WKST']; |
---|
| 1208 | return $input2; |
---|
| 1209 | } |
---|
| 1210 | /** |
---|
| 1211 | * convert format for input date to internal date with parameters |
---|
| 1212 | * |
---|
| 1213 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1214 | * @since 2.10.4 - 2011-08-03 |
---|
| 1215 | * @param mixed $year |
---|
| 1216 | * @param mixed $month optional |
---|
| 1217 | * @param int $day optional |
---|
| 1218 | * @param int $hour optional |
---|
| 1219 | * @param int $min optional |
---|
| 1220 | * @param int $sec optional |
---|
| 1221 | * @param string $tz optional |
---|
| 1222 | * @param array $params optional |
---|
| 1223 | * @param string $caller optional |
---|
| 1224 | * @param string $objName optional |
---|
| 1225 | * @param string $tzid optional |
---|
| 1226 | * @return array |
---|
| 1227 | */ |
---|
| 1228 | public static function _setDate( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE, $caller=null, $objName=null, $tzid=FALSE ) { |
---|
| 1229 | $input = $parno = null; |
---|
| 1230 | $localtime = (( 'dtstart' == $caller ) && in_array( $objName, array( 'vtimezone', 'standard', 'daylight' ))) ? TRUE : FALSE; |
---|
| 1231 | if( iCalUtilityFunctions::_isArrayDate( $year )) { |
---|
| 1232 | if( $localtime ) unset ( $month['VALUE'], $month['TZID'] ); |
---|
| 1233 | $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' )); |
---|
| 1234 | if( isset( $input['params']['TZID'] )) { |
---|
| 1235 | $input['params']['VALUE'] = 'DATE-TIME'; |
---|
| 1236 | unset( $year['tz'] ); |
---|
| 1237 | } |
---|
| 1238 | $hitval = (( !empty( $year['tz'] ) || !empty( $year[6] ))) ? 7 : 6; |
---|
| 1239 | $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval ); |
---|
| 1240 | $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE', 3, count( $year ), $parno ); |
---|
| 1241 | $input['value'] = iCalUtilityFunctions::_date_time_array( $year, $parno ); |
---|
| 1242 | } |
---|
| 1243 | elseif( iCalUtilityFunctions::_isArrayTimestampDate( $year )) { |
---|
| 1244 | if( $localtime ) unset ( $month['VALUE'], $month['TZID'] ); |
---|
| 1245 | $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' )); |
---|
| 1246 | if( isset( $input['params']['TZID'] )) { |
---|
| 1247 | $input['params']['VALUE'] = 'DATE-TIME'; |
---|
| 1248 | unset( $year['tz'] ); |
---|
| 1249 | } |
---|
| 1250 | $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE', 3 ); |
---|
| 1251 | $hitval = ( isset( $year['tz'] )) ? 7 : 6; |
---|
| 1252 | $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno ); |
---|
| 1253 | $input['value'] = iCalUtilityFunctions::_timestamp2date( $year, $parno ); |
---|
| 1254 | } |
---|
| 1255 | elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18 |
---|
| 1256 | if( $localtime ) unset ( $month['VALUE'], $month['TZID'] ); |
---|
| 1257 | $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' )); |
---|
| 1258 | if( isset( $input['params']['TZID'] )) { |
---|
| 1259 | $input['params']['VALUE'] = 'DATE-TIME'; |
---|
| 1260 | $parno = 6; |
---|
| 1261 | } |
---|
| 1262 | elseif( $tzid && iCalUtilityFunctions::_isOffset( substr( $year, -7 ))) { |
---|
| 1263 | if(( in_array( substr( $year, -5, 1 ), array( '+', '-' ))) && |
---|
| 1264 | ( '0000' < substr( $year, -4 )) && ( '9999' >= substr( $year, -4 ))) |
---|
| 1265 | $year = substr( $year, 0, ( strlen( $year ) - 5 )); |
---|
| 1266 | elseif(( in_array( substr( $input, -7, 1 ), array( '+', '-' ))) && |
---|
| 1267 | ( '000000' < substr( $input, -6 )) && ( '999999' >= substr( $input, -6 ))) |
---|
| 1268 | $year = substr( $year, 0, ( strlen( $year ) - 7 )); |
---|
| 1269 | $parno = 6; |
---|
| 1270 | } |
---|
| 1271 | $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7, $parno ); |
---|
| 1272 | $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE', 3, $parno, $parno ); |
---|
| 1273 | $input['value'] = iCalUtilityFunctions::_date_time_string( $year, $parno ); |
---|
| 1274 | } |
---|
| 1275 | else { |
---|
| 1276 | if( is_array( $params )) { |
---|
| 1277 | if( $localtime ) unset ( $params['VALUE'], $params['TZID'] ); |
---|
| 1278 | $input['params'] = iCalUtilityFunctions::_setParams( $params, array( 'VALUE' => 'DATE-TIME' )); |
---|
| 1279 | } |
---|
| 1280 | elseif( is_array( $tz )) { |
---|
| 1281 | $input['params'] = iCalUtilityFunctions::_setParams( $tz, array( 'VALUE' => 'DATE-TIME' )); |
---|
| 1282 | $tz = FALSE; |
---|
| 1283 | } |
---|
| 1284 | elseif( is_array( $hour )) { |
---|
| 1285 | $input['params'] = iCalUtilityFunctions::_setParams( $hour, array( 'VALUE' => 'DATE-TIME' )); |
---|
| 1286 | $hour = $min = $sec = $tz = FALSE; |
---|
| 1287 | } |
---|
| 1288 | if( isset( $input['params']['TZID'] )) { |
---|
| 1289 | $tz = null; |
---|
| 1290 | $input['params']['VALUE'] = 'DATE-TIME'; |
---|
| 1291 | } |
---|
| 1292 | $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE', 3 ); |
---|
| 1293 | $hitval = ( !empty( $tz )) ? 7 : 6; |
---|
| 1294 | $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno, $parno ); |
---|
| 1295 | $input['value'] = array( 'year' => $year, 'month' => $month, 'day' => $day ); |
---|
| 1296 | if( 3 != $parno ) { |
---|
| 1297 | $input['value']['hour'] = ( $hour ) ? $hour : '0'; |
---|
| 1298 | $input['value']['min'] = ( $min ) ? $min : '0'; |
---|
| 1299 | $input['value']['sec'] = ( $sec ) ? $sec : '0'; |
---|
| 1300 | if( !empty( $tz )) |
---|
| 1301 | $input['value']['tz'] = $tz; |
---|
| 1302 | } |
---|
| 1303 | } |
---|
| 1304 | if( 3 == $parno ) { |
---|
| 1305 | $input['params']['VALUE'] = 'DATE'; |
---|
| 1306 | unset( $input['value']['tz'] ); |
---|
| 1307 | unset( $input['params']['TZID'] ); |
---|
| 1308 | } |
---|
| 1309 | elseif( isset( $input['params']['TZID'] )) |
---|
| 1310 | unset( $input['value']['tz'] ); |
---|
| 1311 | if( $localtime ) |
---|
| 1312 | unset( $input['value']['tz'], $input['params']['TZID'] ); |
---|
| 1313 | elseif(( !isset( $input['params']['VALUE'] ) || ( $input['params']['VALUE'] != 'DATE' )) && !isset( $input['params']['TZID'] ) && $tzid ) |
---|
| 1314 | $input['params']['TZID'] = $tzid; |
---|
| 1315 | if( isset( $input['value']['tz'] )) |
---|
| 1316 | $input['value']['tz'] = (string) $input['value']['tz']; |
---|
| 1317 | if( !empty( $input['value']['tz'] ) && ( 'Z' != $input['value']['tz'] ) && |
---|
| 1318 | ( !iCalUtilityFunctions::_isOffset( $input['value']['tz'] ))) |
---|
| 1319 | $input['params']['TZID'] = $input['value']['tz']; |
---|
| 1320 | return $input; |
---|
| 1321 | } |
---|
| 1322 | /** |
---|
| 1323 | * convert format for input date (UTC) to internal date with parameters |
---|
| 1324 | * |
---|
| 1325 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1326 | * @since 2.4.17 - 2008-10-31 |
---|
| 1327 | * @param mixed $year |
---|
| 1328 | * @param mixed $month optional |
---|
| 1329 | * @param int $day optional |
---|
| 1330 | * @param int $hour optional |
---|
| 1331 | * @param int $min optional |
---|
| 1332 | * @param int $sec optional |
---|
| 1333 | * @param array $params optional |
---|
| 1334 | * @return array |
---|
| 1335 | */ |
---|
| 1336 | public static function _setDate2( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) { |
---|
| 1337 | $input = null; |
---|
| 1338 | if( iCalUtilityFunctions::_isArrayDate( $year )) { |
---|
| 1339 | $input['value'] = iCalUtilityFunctions::_date_time_array( $year, 7 ); |
---|
| 1340 | $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) ); |
---|
| 1341 | } |
---|
| 1342 | elseif( iCalUtilityFunctions::_isArrayTimestampDate( $year )) { |
---|
| 1343 | $input['value'] = iCalUtilityFunctions::_timestamp2date( $year, 7 ); |
---|
| 1344 | $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) ); |
---|
| 1345 | } |
---|
| 1346 | elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18 |
---|
| 1347 | $input['value'] = iCalUtilityFunctions::_date_time_string( $year, 7 ); |
---|
| 1348 | $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) ); |
---|
| 1349 | } |
---|
| 1350 | else { |
---|
| 1351 | $input['value'] = array( 'year' => $year |
---|
| 1352 | , 'month' => $month |
---|
| 1353 | , 'day' => $day |
---|
| 1354 | , 'hour' => $hour |
---|
| 1355 | , 'min' => $min |
---|
| 1356 | , 'sec' => $sec ); |
---|
| 1357 | $input['params'] = iCalUtilityFunctions::_setParams( $params, array( 'VALUE' => 'DATE-TIME' )); |
---|
| 1358 | } |
---|
| 1359 | $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7 ); // remove default |
---|
| 1360 | if( !isset( $input['value']['hour'] )) |
---|
| 1361 | $input['value']['hour'] = 0; |
---|
| 1362 | if( !isset( $input['value']['min'] )) |
---|
| 1363 | $input['value']['min'] = 0; |
---|
| 1364 | if( !isset( $input['value']['sec'] )) |
---|
| 1365 | $input['value']['sec'] = 0; |
---|
| 1366 | if( !isset( $input['value']['tz'] ) || !iCalUtilityFunctions::_isOffset( $input['value']['tz'] )) |
---|
| 1367 | $input['value']['tz'] = 'Z'; |
---|
| 1368 | return $input; |
---|
| 1369 | } |
---|
| 1370 | /** |
---|
| 1371 | * check index and set (an indexed) content in multiple value array |
---|
| 1372 | * |
---|
| 1373 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1374 | * @since 2.6.12 - 2011-01-03 |
---|
| 1375 | * @param array $valArr |
---|
| 1376 | * @param mixed $value |
---|
| 1377 | * @param array $params |
---|
| 1378 | * @param array $defaults |
---|
| 1379 | * @param int $index |
---|
| 1380 | * @return void |
---|
| 1381 | */ |
---|
| 1382 | public static function _setMval( & $valArr, $value, $params=FALSE, $defaults=FALSE, $index=FALSE ) { |
---|
| 1383 | if( !is_array( $valArr )) $valArr = array(); |
---|
| 1384 | if( $index ) |
---|
| 1385 | $index = $index - 1; |
---|
| 1386 | elseif( 0 < count( $valArr )) { |
---|
| 1387 | $keys = array_keys( $valArr ); |
---|
| 1388 | $index = end( $keys ) + 1; |
---|
| 1389 | } |
---|
| 1390 | else |
---|
| 1391 | $index = 0; |
---|
| 1392 | $valArr[$index] = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params, $defaults )); |
---|
| 1393 | ksort( $valArr ); |
---|
| 1394 | } |
---|
| 1395 | /** |
---|
| 1396 | * set input (formatted) parameters- component property attributes |
---|
| 1397 | * |
---|
| 1398 | * default parameters can be set, if missing |
---|
| 1399 | * |
---|
| 1400 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1401 | * @since 1.x.x - 2007-05-01 |
---|
| 1402 | * @param array $params |
---|
| 1403 | * @param array $defaults |
---|
| 1404 | * @return array |
---|
| 1405 | */ |
---|
| 1406 | public static function _setParams( $params, $defaults=FALSE ) { |
---|
| 1407 | if( !is_array( $params)) |
---|
| 1408 | $params = array(); |
---|
| 1409 | $input = array(); |
---|
| 1410 | foreach( $params as $paramKey => $paramValue ) { |
---|
| 1411 | if( is_array( $paramValue )) { |
---|
| 1412 | foreach( $paramValue as $pkey => $pValue ) { |
---|
| 1413 | if(( '"' == substr( $pValue, 0, 1 )) && ( '"' == substr( $pValue, -1 ))) |
---|
| 1414 | $paramValue[$pkey] = substr( $pValue, 1, ( strlen( $pValue ) - 2 )); |
---|
| 1415 | } |
---|
| 1416 | } |
---|
| 1417 | elseif(( '"' == substr( $paramValue, 0, 1 )) && ( '"' == substr( $paramValue, -1 ))) |
---|
| 1418 | $paramValue = substr( $paramValue, 1, ( strlen( $paramValue ) - 2 )); |
---|
| 1419 | if( 'VALUE' == strtoupper( $paramKey )) |
---|
| 1420 | $input['VALUE'] = strtoupper( $paramValue ); |
---|
| 1421 | else |
---|
| 1422 | $input[strtoupper( $paramKey )] = $paramValue; |
---|
| 1423 | } |
---|
| 1424 | if( is_array( $defaults )) { |
---|
| 1425 | foreach( $defaults as $paramKey => $paramValue ) { |
---|
| 1426 | if( !isset( $input[$paramKey] )) |
---|
| 1427 | $input[$paramKey] = $paramValue; |
---|
| 1428 | } |
---|
| 1429 | } |
---|
| 1430 | return (0 < count( $input )) ? $input : null; |
---|
| 1431 | } |
---|
| 1432 | /** |
---|
| 1433 | * set RRULE in vtimezone standard/daylight components based on component dtstart |
---|
| 1434 | * |
---|
| 1435 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1436 | * @since 2.10.3 - 2011-08-01 |
---|
| 1437 | * @param object $obj, reference to an iCalcreator vtimezone standard/daylight instance |
---|
| 1438 | * @return bool |
---|
| 1439 | */ |
---|
| 1440 | public static function _setTZrrule( & $obj ) { |
---|
| 1441 | if( FALSE === ( $date = $obj->getProperty( 'dtstart' ))) |
---|
| 1442 | return FALSE; |
---|
| 1443 | $ts = mktime( (int) $date['hour'], (int) $date['min'], (int) $date['sec'], (int) $date['month'], (int) $date['day'], (int) $date['year'] ); |
---|
| 1444 | $daysNm = array( 'SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA', 'SU' ); |
---|
| 1445 | $day = $daysNm[date( 'N', $ts )]; |
---|
| 1446 | $daycnt = date( 't', $ts ) - $date['day']; |
---|
| 1447 | if( 8 > $daycnt ) |
---|
| 1448 | $ordwk = -1; |
---|
| 1449 | elseif( 15 > $daycnt) |
---|
| 1450 | $ordwk = -2; |
---|
| 1451 | elseif( 8 > $date['day'] ) |
---|
| 1452 | $ordwk = 1; |
---|
| 1453 | else |
---|
| 1454 | $ordwk = 2; |
---|
| 1455 | $obj->setProperty( 'RRULE', array( 'FREQ' => 'YEARLY', 'BYDAY' => array( (string) $ordwk, 'DAY' => $day ), 'BYMONTH' => (int) $date['month'] )); |
---|
| 1456 | return TRUE; |
---|
| 1457 | } |
---|
| 1458 | /** |
---|
| 1459 | * step date, return updated date, array and timpstamp |
---|
| 1460 | * |
---|
| 1461 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1462 | * @since 2.4.16 - 2008-10-18 |
---|
| 1463 | * @param array $date, date to step |
---|
| 1464 | * @param int $timestamp |
---|
| 1465 | * @param array $step, default array( 'day' => 1 ) |
---|
| 1466 | * @return void |
---|
| 1467 | */ |
---|
| 1468 | public static function _stepdate( &$date, &$timestamp, $step=array( 'day' => 1 )) { |
---|
| 1469 | foreach( $step as $stepix => $stepvalue ) |
---|
| 1470 | $date[$stepix] += $stepvalue; |
---|
| 1471 | $timestamp = iCalUtilityFunctions::_date2timestamp( $date ); |
---|
| 1472 | $date = iCalUtilityFunctions::_timestamp2date( $timestamp, 6 ); |
---|
| 1473 | foreach( $date as $k => $v ) { |
---|
| 1474 | if( ctype_digit( $v )) |
---|
| 1475 | $date[$k] = (int) $v; |
---|
| 1476 | } |
---|
| 1477 | } |
---|
| 1478 | /** |
---|
| 1479 | * convert timestamp to date array |
---|
| 1480 | * |
---|
| 1481 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1482 | * @since 2.4.16 - 2008-11-01 |
---|
| 1483 | * @param mixed $timestamp |
---|
| 1484 | * @param int $parno |
---|
| 1485 | * @return array |
---|
| 1486 | */ |
---|
| 1487 | public static function _timestamp2date( $timestamp, $parno=6 ) { |
---|
| 1488 | if( is_array( $timestamp )) { |
---|
| 1489 | if(( 7 == $parno ) && !empty( $timestamp['tz'] )) |
---|
| 1490 | $tz = $timestamp['tz']; |
---|
| 1491 | $timestamp = $timestamp['timestamp']; |
---|
| 1492 | } |
---|
| 1493 | $output = array( 'year' => date( 'Y', $timestamp ) |
---|
| 1494 | , 'month' => date( 'm', $timestamp ) |
---|
| 1495 | , 'day' => date( 'd', $timestamp )); |
---|
| 1496 | if( 3 != $parno ) { |
---|
| 1497 | $output['hour'] = date( 'H', $timestamp ); |
---|
| 1498 | $output['min'] = date( 'i', $timestamp ); |
---|
| 1499 | $output['sec'] = date( 's', $timestamp ); |
---|
| 1500 | if( isset( $tz )) |
---|
| 1501 | $output['tz'] = $tz; |
---|
| 1502 | } |
---|
| 1503 | return $output; |
---|
| 1504 | } |
---|
| 1505 | /** |
---|
| 1506 | * convert timestamp to duration in array format |
---|
| 1507 | * |
---|
| 1508 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1509 | * @since 2.6.23 - 2010-10-23 |
---|
| 1510 | * @param int $timestamp |
---|
| 1511 | * @return array, duration format |
---|
| 1512 | */ |
---|
| 1513 | public static function _timestamp2duration( $timestamp ) { |
---|
| 1514 | $dur = array(); |
---|
| 1515 | $dur['week'] = (int) floor( $timestamp / ( 7 * 24 * 60 * 60 )); |
---|
| 1516 | $timestamp = $timestamp % ( 7 * 24 * 60 * 60 ); |
---|
| 1517 | $dur['day'] = (int) floor( $timestamp / ( 24 * 60 * 60 )); |
---|
| 1518 | $timestamp = $timestamp % ( 24 * 60 * 60 ); |
---|
| 1519 | $dur['hour'] = (int) floor( $timestamp / ( 60 * 60 )); |
---|
| 1520 | $timestamp = $timestamp % ( 60 * 60 ); |
---|
| 1521 | $dur['min'] = (int) floor( $timestamp / ( 60 )); |
---|
| 1522 | $dur['sec'] = (int) $timestamp % ( 60 ); |
---|
| 1523 | return $dur; |
---|
| 1524 | } |
---|
| 1525 | /** |
---|
| 1526 | * transforms a dateTime from a timezone to another using PHP DateTime and DateTimeZone class (PHP >= PHP 5.2.0) |
---|
| 1527 | * |
---|
| 1528 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1529 | * @since 2.10.5 - 2011-08-03 |
---|
| 1530 | * @param string $date (date to alter) |
---|
| 1531 | * @param string $tzFrom, PHP valid old timezone |
---|
| 1532 | * @param string $tzTo, PHP valid new timezone, default 'UTC' |
---|
| 1533 | * @param string $format, (opt) date output format, default 'Ymd\THis' |
---|
| 1534 | * @return bool |
---|
| 1535 | */ |
---|
| 1536 | public static function transformDateTime( & $date, $tzFrom, $tzTo='UTC', $format = 'Ymd\THis' ) { |
---|
| 1537 | if( !class_exists( 'DateTime' ) || !class_exists( 'DateTimeZone' )) |
---|
| 1538 | return FALSE; |
---|
| 1539 | if( FALSE === ( $timestamp = strtotime( $date ))) |
---|
| 1540 | return FALSE; |
---|
| 1541 | try { |
---|
| 1542 | $d = new DateTime( date( 'Y-m-d H:i:s', $timestamp ), new DateTimeZone( $tzFrom )); |
---|
| 1543 | $d->setTimezone( new DateTimeZone( $tzTo )); |
---|
| 1544 | } |
---|
| 1545 | catch (Exception $e) { |
---|
| 1546 | return FALSE; |
---|
| 1547 | } |
---|
| 1548 | $date = $d->format( $format ); |
---|
| 1549 | return TRUE; |
---|
| 1550 | } |
---|
| 1551 | /** |
---|
| 1552 | * convert (numeric) local time offset to seconds correcting localtime to GMT |
---|
| 1553 | * |
---|
| 1554 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
---|
| 1555 | * @since 2.4.16 - 2008-10-19 |
---|
| 1556 | * @param string $offset |
---|
| 1557 | * @return integer |
---|
| 1558 | */ |
---|
| 1559 | public static function _tz2offset( $tz ) { |
---|
| 1560 | $tz = trim( (string) $tz ); |
---|
| 1561 | $offset = 0; |
---|
| 1562 | if((( 5 != strlen( $tz )) && ( 7 != strlen( $tz ))) || |
---|
| 1563 | (( '+' != substr( $tz, 0, 1 )) && ( '-' != substr( $tz, 0, 1 ))) || |
---|
| 1564 | (( '0000' >= substr( $tz, 1, 4 )) && ( '9999' < substr( $tz, 1, 4 ))) || |
---|
| 1565 | (( 7 == strlen( $tz )) && ( '00' > substr( $tz, 5, 2 )) && ( '99' < substr( $tz, 5, 2 )))) |
---|
| 1566 | return $offset; |
---|
| 1567 | $hours2sec = (int) substr( $tz, 1, 2 ) * 3600; |
---|
| 1568 | $min2sec = (int) substr( $tz, 3, 2 ) * 60; |
---|
| 1569 | $sec = ( 7 == strlen( $tz )) ? (int) substr( $tz, -2 ) : '00'; |
---|
| 1570 | $offset = $hours2sec + $min2sec + $sec; |
---|
| 1571 | $offset = ('-' == substr( $tz, 0, 1 )) ? $offset : -1 * $offset; |
---|
| 1572 | return $offset; |
---|
| 1573 | } |
---|
| 1574 | } |
---|
| 1575 | ?> |
---|