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* @category Horde * @copyright 2012-2017 Horde LLC * @license http://www.horde.org/licenses/lgpl21 LGPL 2.1 * @package Imap_Client */ class Horde_Imap_Client_DateTime extends DateTime { /** */ public function __construct($time = null, $tz = null) { /* See https://bugs.php.net/bug.php?id=67118 */ $bug_67118 = (version_compare(PHP_VERSION, '5.6', '>=')) || in_array(PHP_VERSION, array('5.4.29', '5.5.13')); $tz = new DateTimeZone('UTC'); /* Bug #14381 Catch malformed offset - which doesn't cause DateTime to throw exception. */ if (substr(rtrim($time), -5) === ' 0000') { $time = substr(trim($time), 0, strlen(trim($time)) - 5) . ' +0000'; try { if ($bug_67118) { new DateTime($time, $tz); } parent::__construct($time, $tz); return; } catch (Exception $e) {} } try { if ($bug_67118) { new DateTime($time, $tz); } parent::__construct($time, $tz); return; } catch (Exception $e) {} /* Check for malformed day-of-week parts, usually incorrectly * localized. E.g. Fr, 15 Apr 2016 15:15:09 +0000 */ if (!preg_match("/^(Mon|Tue|Wed|Thu|Fri|Sat|Sun),/", $time)) { $time = preg_replace("/^(\S*,)/", '', $time, 1, $i); if ($i) { try { if ($bug_67118) { new DateTime($time, $tz); } parent::__construct($time, $tz); return; } catch (Exception $e) {} } } /* Bug #5717 - Check for UT vs. UTC. */ if (substr(rtrim($time), -3) === ' UT') { try { if ($bug_67118) { new DateTime($time . 'C', $tz); } parent::__construct($time . 'C', $tz); return; } catch (Exception $e) {} } /* Bug #9847 - Catch paranthesized timezone information at end of date * string. */ $date = preg_replace("/\s*\([^\)]+\)\s*$/", '', $time, -1, $i); if ($i) { try { if ($bug_67118) { new DateTime($date, $tz); } parent::__construct($date, $tz); return; } catch (Exception $e) {} } parent::__construct('@-1', $tz); } /** * String representation: UNIX timestamp. */ public function __toString() { return $this->error() ? '0' : strval($this->getTimestamp()); } /** * Was this an unparseable date? * * @return boolean True if unparseable. */ public function error() { return ($this->getTimestamp() === -1); } }