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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\Cache;
use Doctrine\DBAL\Driver\ResultStatement;
use PDO;
class ArrayStatement implements \IteratorAggregate, ResultStatement
{
/**
* @var array
*/
private $data;
/**
* @var integer
*/
private $columnCount = 0;
/**
* @var integer
*/
private $num = 0;
/**
* @var integer
*/
private $defaultFetchMode = PDO::FETCH_BOTH;
/**
* @param array $data
*/
public function __construct(array $data)
{
$this->data = $data;
if (count($data)) {
$this->columnCount = count($data[0]);
}
}
/**
* {@inheritdoc}
*/
public function closeCursor()
{
unset ($this->data);
}
/**
* {@inheritdoc}
*/
public function columnCount()
{
return $this->columnCount;
}
/**
* {@inheritdoc}
*/
public function setFetchMode($fetchMode, $arg2 = null, $arg3 = null)
{
if ($arg2 !== null || $arg3 !== null) {
throw new \InvalidArgumentException("Caching layer does not support 2nd/3rd argument to setFetchMode()");
}
$this->defaultFetchMode = $fetchMode;
return true;
}
/**
* {@inheritdoc}
*/
public function getIterator()
{
$data = $this->fetchAll();
return new \ArrayIterator($data);
}
/**
* {@inheritdoc}
*/
public function fetch($fetchMode = null)
{
if (isset($this->data[$this->num])) {
$row = $this->data[$this->num++];
$fetchMode = $fetchMode ?: $this->defaultFetchMode;
if ($fetchMode === PDO::FETCH_ASSOC) {
return $row;
} else if ($fetchMode === PDO::FETCH_NUM) {
return array_values($row);
} else if ($fetchMode === PDO::FETCH_BOTH) {
return array_merge($row, array_values($row));
} else if ($fetchMode === PDO::FETCH_COLUMN) {
return reset($row);
} else {
throw new \InvalidArgumentException("Invalid fetch-style given for fetching result.");
}
}
return false;
}
/**
* {@inheritdoc}
*/
public function fetchAll($fetchMode = null)
{
$rows = array();
while ($row = $this->fetch($fetchMode)) {
$rows[] = $row;
}
return $rows;
}
/**
* {@inheritdoc}
*/
public function fetchColumn($columnIndex = 0)
{
$row = $this->fetch(PDO::FETCH_NUM);
if (!isset($row[$columnIndex])) {
// TODO: verify this is correct behavior
return false;
}
return $row[$columnIndex];
}
}
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