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; |
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397 | switch ( $durKey ) { |
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398 | case '0': case 'week': $output['week'] = $durValue; break; |
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399 | case '1': case 'day': $output['day'] = $durValue; break; |
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400 | case '2': case 'hour': $output['hour'] = $durValue; break; |
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401 | case '3': case 'min': $output['min'] = $durValue; break; |
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402 | case '4': case 'sec': $output['sec'] = $durValue; break; |
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403 | } |
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404 | } |
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405 | } |
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406 | if( isset( $output['week'] ) && ( 0 < $output['week'] )) { |
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407 | unset( $output['day'], $output['hour'], $output['min'], $output['sec'] ); |
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408 | return $output; |
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409 | } |
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410 | unset( $output['week'] ); |
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411 | if( empty( $output['day'] )) |
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412 | unset( $output['day'] ); |
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413 | if ( isset( $output['hour'] ) || isset( $output['min'] ) || isset( $output['sec'] )) { |
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414 | if( !isset( $output['hour'] )) $output['hour'] = 0; |
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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; |
---|
443 | for( $ix=0; $ix < strlen( $duration ); $ix++ ) { |
---|
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(); |
---|
841 | for( $m = 1; $m <= 12; $m++ ) { // count up and update up-counters |
---|
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'] )); |
---|
847 | for( $d = 1; $d <= $mcnt; $d++ ) { |
---|
848 | $daycnts[$m][$d] = array(); |
---|
849 | if( isset( $recur['BYYEARDAY'] )) { |
---|
850 | $yeardays++; |
---|
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 */ |
---|
1028 | $countcnt++; |
---|
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 | } |
---|
1091 | $countcnt++; |
---|
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' |
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1534 | * @return bool |
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1535 | */ |
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1536 | public static function transformDateTime( & $date, $tzFrom, $tzTo='UTC', $format = 'Ymd\THis' ) { |
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1537 | if( !class_exists( 'DateTime' ) || !class_exists( 'DateTimeZone' )) |
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1538 | return FALSE; |
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1539 | if( FALSE === ( $timestamp = strtotime( $date ))) |
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1540 | return FALSE; |
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1541 | try { |
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1542 | $d = new DateTime( date( 'Y-m-d H:i:s', $timestamp ), new DateTimeZone( $tzFrom )); |
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1543 | $d->setTimezone( new DateTimeZone( $tzTo )); |
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1544 | } |
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1545 | catch (Exception $e) { |
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1546 | return FALSE; |
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1547 | } |
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1548 | $date = $d->format( $format ); |
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1549 | return TRUE; |
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1550 | } |
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1551 | /** |
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1552 | * convert (numeric) local time offset to seconds correcting localtime to GMT |
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1553 | * |
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1554 | * @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se> |
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1555 | * @since 2.4.16 - 2008-10-19 |
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1556 | * @param string $offset |
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1557 | * @return integer |
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1558 | */ |
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1559 | public static function _tz2offset( $tz ) { |
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1560 | $tz = trim( (string) $tz ); |
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1561 | $offset = 0; |
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1562 | if((( 5 != strlen( $tz )) && ( 7 != strlen( $tz ))) || |
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1563 | (( '+' != substr( $tz, 0, 1 )) && ( '-' != substr( $tz, 0, 1 ))) || |
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1564 | (( '0000' >= substr( $tz, 1, 4 )) && ( '9999' < substr( $tz, 1, 4 ))) || |
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1565 | (( 7 == strlen( $tz )) && ( '00' > substr( $tz, 5, 2 )) && ( '99' < substr( $tz, 5, 2 )))) |
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1566 | return $offset; |
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1567 | $hours2sec = (int) substr( $tz, 1, 2 ) * 3600; |
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1568 | $min2sec = (int) substr( $tz, 3, 2 ) * 60; |
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1569 | $sec = ( 7 == strlen( $tz )) ? (int) substr( $tz, -2 ) : '00'; |
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1570 | $offset = $hours2sec + $min2sec + $sec; |
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1571 | $offset = ('-' == substr( $tz, 0, 1 )) ? $offset : -1 * $offset; |
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1572 | return $offset; |
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1573 | } |
---|
1574 | } |
---|
1575 | ?> |
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