Location: PHPKode > projects > GnomePHP > peec-GnomePHP-b5a360b/gnomephp/doctrine/Doctrine/ORM/Internal/Hydration/SingleScalarHydrator.php
<?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 LGPL. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\ORM\Internal\Hydration;

use Doctrine\DBAL\Connection;

/**
 * Hydrator that hydrates a single scalar value from the result set.
 *
 * @author Roman Borschel <hide@address.com>
 * @since 2.0
 */
class SingleScalarHydrator extends AbstractHydrator
{
    /** @override */
    protected function _hydrateAll()
    {
        $cache = array();
        $result = $this->_stmt->fetchAll(\PDO::FETCH_ASSOC);
        $num = count($result);

        if ($num == 0) {
            throw new \Doctrine\ORM\NoResultException;
        } else if ($num > 1 || count($result[key($result)]) > 1) {
            throw new \Doctrine\ORM\NonUniqueResultException;
        }
        
        $result = $this->_gatherScalarRowData($result[key($result)], $cache);
        
        return array_shift($result);
    }
}
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