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<?php
/*
* This file is part of SwiftMailer.
* (c) 2004-2009 Chris Corbyn
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* A Date MIME Header for Swift Mailer.
*
* @author Chris Corbyn
*/
class Swift_Mime_Headers_DateHeader extends Swift_Mime_Headers_AbstractHeader
{
/**
* The UNIX timestamp value of this Header.
*
* @var int
*/
private $_timestamp;
/**
* Creates a new DateHeader with $name and $timestamp.
*
* Example:
* <code>
* <?php
* $header = new Swift_Mime_Headers_DateHeader('Date', time());
* ?>
* </code>
*
* @param string $name of Header
* @param Swift_Mime_Grammar $grammar
*/
public function __construct($name, Swift_Mime_Grammar $grammar)
{
$this->setFieldName($name);
parent::__construct($grammar);
}
/**
* Get the type of Header that this instance represents.
*
* @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
* @see TYPE_DATE, TYPE_ID, TYPE_PATH
*
* @return int
*/
public function getFieldType()
{
return self::TYPE_DATE;
}
/**
* Set the model for the field body.
*
* This method takes a UNIX timestamp.
*
* @param int $model
*/
public function setFieldBodyModel($model)
{
$this->setTimestamp($model);
}
/**
* Get the model for the field body.
*
* This method returns a UNIX timestamp.
*
* @return mixed
*/
public function getFieldBodyModel()
{
return $this->getTimestamp();
}
/**
* Get the UNIX timestamp of the Date in this Header.
*
* @return int
*/
public function getTimestamp()
{
return $this->_timestamp;
}
/**
* Set the UNIX timestamp of the Date in this Header.
*
* @param int $timestamp
*/
public function setTimestamp($timestamp)
{
if (!is_null($timestamp)) {
$timestamp = (int) $timestamp;
}
$this->clearCachedValueIf($this->_timestamp != $timestamp);
$this->_timestamp = $timestamp;
}
/**
* Get the string value of the body in this Header.
*
* This is not necessarily RFC 2822 compliant since folding white space will
* not be added at this stage (see {@link toString()} for that).
*
* @see toString()
*
* @return string
*/
public function getFieldBody()
{
if (!$this->getCachedValue()) {
if (isset($this->_timestamp)) {
$this->setCachedValue(date('r', $this->_timestamp));
}
}
return $this->getCachedValue();
}
}
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