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<?php
/**
* Time class, extension of the standard PHP DateTime class
* Changes the __construct() to validate the timezone.
*
* This file is part of Zoph.
*
* Zoph is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Zoph is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Zoph; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* @author Jeroen Roos
* @package Zoph
*/
use conf\conf;
use template\block;
/**
* Time class, extension of the standard PHP DateTime class
*
* @author Jeroen Roos
* @package Zoph
*/
class Time extends DateTime {
/** @var boolean is the date a fallback to the default (today)?
if so, we don't want to display it in all cases... */
private $today = false;
/**
* Create Time object
* @param string Date and time
* @param string Timezone
* @return Time time object
*/
public function __construct($datetime="now", $tz=null) {
if (empty($datetime)) {
$datetime = "now";
}
$this->today=($datetime == "now");
try {
if ($tz instanceof TimeZone && TimeZone::validate($tz->getName())) {
parent::__construct($datetime,$tz);
} else {
parent::__construct($datetime);
}
} catch (Exception $e){
echo "<b>Invalid time</b><br>";
log::msg("<pre>" . $e->getMessage() . "</pre>", log::DEBUG, log::GENERAL);
}
}
/**
* Get only the formatted date portion of the datetime
* @return string date
*/
public function getDate() {
return $this->format("Y-m-d");
}
/**
* Get only the formatted date portion of the datetime
* formatted according to the settings in the configuration
* @return string date
*/
public function getFormatted() {
return $this->format(conf::get("date.format"));
}
/**
* Get a link to the date
* @param string field to search for instead of the default 'date'
* @return template/block link
*/
public function getLink($field = "date") {
if (!$this->today) {
return new block("link", array(
"link" => $this->getFormatted(),
"href" => "calendar.php?date=" . $this->getDate() .
"&search_field=" . $field,
"target" => ""
));
}
}
}
?>
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