<?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\ORM\Internal\Hydration; use Doctrine\ORM\NoResultException; use Doctrine\ORM\NonUniqueResultException; /** * Hydrator that hydrates a single scalar value from the result set. * * @since 2.0 * @author Roman Borschel <roman@code-factory.org> * @author Guilherme Blanco <guilhermeblanco@hotmail.com> */ class SingleScalarHydrator extends AbstractHydrator { /** * {@inheritdoc} */ protected function hydrateAllData() { $data = $this->_stmt->fetchAll(\PDO::FETCH_ASSOC); $numRows = count($data); if ($numRows === 0) { throw new NoResultException(); } if ($numRows > 1) { throw new NonUniqueResultException('The query returned multiple rows. Change the query or use a different result function like getScalarResult().'); } if (count($data[key($data)]) > 1) { throw new NonUniqueResultException('The query returned a row containing multiple columns. Change the query or use a different result function like getScalarResult().'); } $result = $this->gatherScalarRowData($data[key($data)]); return array_shift($result); } }