kopia lustrzana https://github.com/friendica/SG-iCalendar
55 wiersze
1.5 KiB
PHP
Executable File
55 wiersze
1.5 KiB
PHP
Executable File
<?php // BUILD: Remove line
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/**
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* A class for calculating how many seconds a duration-string is
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*
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* @package SG_iCalReader
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* @author Morten Fangel (C) 2008
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* @license http://creativecommons.org/licenses/by-sa/2.5/dk/deed.en_GB CC-BY-SA-DK
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*/
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class SG_iCal_Duration {
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protected $dur;
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/**
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* Constructs a new SG_iCal_Duration from a duration-rule.
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* The basic build-up of DURATIONs are:
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* (["+"] / "-") "P" (dur-date / dur-date + "T" + dur-time / dur-time / dur-week)
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* Is solved via a really fugly reg-exp with way to many ()'s..
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*
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* @param $duration string
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*/
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public function __construct( $duration ) {
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if( $duration{0} == 'P' || (($duration{0} == '+' || $duration{0} == '-') && $duration{1} == 'P') ) {
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preg_match('/P((\d+)W)?((\d+)D)?(T)?((\d+)H)?((\d+)M)?((\d+)S)?/', $duration, $matches);
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$results = @ array('weeks'=>(int)$matches[2],
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'days'=>(int)$matches[4],
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'hours'=>(int)$matches[7],
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'minutes'=>(int)$matches[9],
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'seconds'=>(int)$matches[11]);
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$ts = 0;
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$ts += $results['seconds'];
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$ts += 60 * $results['minutes'];
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$ts += 60 * 60 * $results['hours'];
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$ts += 24 * 60 * 60 * $results['days'];
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$ts += 7 * 24 * 60 * 60 * $results['weeks'];
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$dir = ($duration{0} == '-') ? -1 : 1;
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$this->dur = $dir * $ts;
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} else {
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// Invalid duration!
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$this->dur = 0;
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}
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}
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/**
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* Returns the duration in seconds
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* @return int
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*/
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public function getDuration() {
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return $this->dur;
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}
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}
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