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<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\DBAL\Types;
use Doctrine\DBAL\Platforms\AbstractPlatform;
/**
* DateTime type saving additional timezone information.
*
* Caution: Databases are not necessarily experts at storing timezone related
* data of dates. First, of all the supported vendors only PostgreSQL and Oracle
* support storing Timezone data. But those two don't save the actual timezone
* attached to a DateTime instance (for example "Europe/Berlin" or "America/Montreal")
* but the current offset of them related to UTC. That means depending on daylight saving times
* or not you may get different offsets.
*
* This datatype makes only sense to use, if your application works with an offset, not
* with an actual timezone that uses transitions. Otherwise your DateTime instance
* attached with a timezone such as Europe/Berlin gets saved into the database with
* the offset and re-created from persistence with only the offset, not the original timezone
* attached.
*
* @link www.doctrine-project.org
* @since 1.0
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
class DateTimeTzType extends Type
{
/**
* {@inheritdoc}
*/
public function getName()
{
return Type::DATETIMETZ;
}
/**
* {@inheritdoc}
*/
public function getSQLDeclaration(array $fieldDeclaration, AbstractPlatform $platform)
{
return $platform->getDateTimeTzTypeDeclarationSQL($fieldDeclaration);
}
/**
* {@inheritdoc}
*/
public function convertToDatabaseValue($value, AbstractPlatform $platform)
{
return ($value !== null)
? $value->format($platform->getDateTimeTzFormatString()) : null;
}
/**
* {@inheritdoc}
*/
public function convertToPHPValue($value, AbstractPlatform $platform)
{
if ($value === null || $value instanceof \DateTime) {
return $value;
}
$val = \DateTime::createFromFormat($platform->getDateTimeTzFormatString(), $value);
if ( ! $val) {
throw ConversionException::conversionFailedFormat($value, $this->getName(), $platform->getDateTimeTzFormatString());
}
return $val;
}
}
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