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1 <?php
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2
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3 namespace Sabre\VObject\Component;
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4
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5 use Sabre\VObject;
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6
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7 /**
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8 * The VTimeZone component
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9 *
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10 * This component adds functionality to a component, specific for VTIMEZONE
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11 * components.
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12 *
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13 * @copyright Copyright (C) 2011-2015 fruux GmbH (https://fruux.com/).
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14 * @author Evert Pot (http://evertpot.com/)
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15 * @license http://sabre.io/license/ Modified BSD License
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16 */
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17 class VTimeZone extends VObject\Component {
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18
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19 /**
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20 * Returns the PHP DateTimeZone for this VTIMEZONE component.
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21 *
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22 * If we can't accurately determine the timezone, this method will return
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23 * UTC.
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24 *
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25 * @return \DateTimeZone
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26 */
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27 function getTimeZone() {
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28
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29 return VObject\TimeZoneUtil::getTimeZone((string)$this->TZID, $this->root);
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30
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31 }
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32
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33 /**
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34 * A simple list of validation rules.
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35 *
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36 * This is simply a list of properties, and how many times they either
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37 * must or must not appear.
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38 *
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39 * Possible values per property:
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40 * * 0 - Must not appear.
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41 * * 1 - Must appear exactly once.
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42 * * + - Must appear at least once.
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43 * * * - Can appear any number of times.
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44 *
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45 * @var array
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46 */
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47 function getValidationRules() {
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48
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49 return array(
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50 'TZID' => 1,
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51
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52 'LAST-MODIFICATION' => '?',
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53 'TZURL' => '?',
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54
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55 // At least 1 STANDARD or DAYLIGHT must appear, or more. But both
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56 // cannot appear in the same VTIMEZONE.
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57 //
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58 // The validator is not specific yet to pick this up, so these
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59 // rules are too loose.
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60 'STANDARD' => '*',
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61 'DAYLIGHT' => '*',
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62 );
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63
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64 }
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65
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66 }
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67
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