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<?php
namespace Laminas\Db\Adapter\Driver\Mysqli;
use Laminas\Db\Adapter\Driver\StatementInterface;
use Laminas\Db\Adapter\Exception;
use Laminas\Db\Adapter\ParameterContainer;
use Laminas\Db\Adapter\Profiler;
use mysqli_stmt;
use function array_unshift;
use function call_user_func_array;
use function is_array;
class Statement implements StatementInterface, Profiler\ProfilerAwareInterface
{
/** @var \mysqli */
protected $mysqli;
/** @var Mysqli */
protected $driver;
/** @var Profiler\ProfilerInterface */
protected $profiler;
/** @var string */
protected $sql = '';
/**
* Parameter container
*
* @var ParameterContainer
*/
protected $parameterContainer;
/** @var mysqli_stmt */
protected $resource;
/**
* Is prepared
*
* @var bool
*/
protected $isPrepared = false;
/** @var bool */
protected $bufferResults = false;
/**
* @param bool $bufferResults
*/
public function __construct($bufferResults = false)
{
$this->bufferResults = (bool) $bufferResults;
}
/**
* Set driver
*
* @return $this Provides a fluent interface
*/
public function setDriver(Mysqli $driver)
{
$this->driver = $driver;
return $this;
}
/**
* @return $this Provides a fluent interface
*/
public function setProfiler(Profiler\ProfilerInterface $profiler)
{
$this->profiler = $profiler;
return $this;
}
/**
* @return null|Profiler\ProfilerInterface
*/
public function getProfiler()
{
return $this->profiler;
}
/**
* Initialize
*
* @return $this Provides a fluent interface
*/
public function initialize(\mysqli $mysqli)
{
$this->mysqli = $mysqli;
return $this;
}
/**
* Set sql
*
* @param string $sql
* @return $this Provides a fluent interface
*/
public function setSql($sql)
{
$this->sql = $sql;
return $this;
}
/**
* Set Parameter container
*
* @return $this Provides a fluent interface
*/
public function setParameterContainer(ParameterContainer $parameterContainer)
{
$this->parameterContainer = $parameterContainer;
return $this;
}
/**
* Get resource
*
* @return mixed
*/
public function getResource()
{
return $this->resource;
}
/**
* Set resource
*
* @return $this Provides a fluent interface
*/
public function setResource(mysqli_stmt $mysqliStatement)
{
$this->resource = $mysqliStatement;
$this->isPrepared = true;
return $this;
}
/**
* Get sql
*
* @return string
*/
public function getSql()
{
return $this->sql;
}
/**
* Get parameter count
*
* @return ParameterContainer
*/
public function getParameterContainer()
{
return $this->parameterContainer;
}
/**
* Is prepared
*
* @return bool
*/
public function isPrepared()
{
return $this->isPrepared;
}
/**
* Prepare
*
* @param string $sql
* @return $this Provides a fluent interface
* @throws Exception\InvalidQueryException
* @throws Exception\RuntimeException
*/
public function prepare($sql = null)
{
if ($this->isPrepared) {
throw new Exception\RuntimeException('This statement has already been prepared');
}
$sql = $sql ?: $this->sql;
$this->resource = $this->mysqli->prepare($sql);
if (! $this->resource instanceof mysqli_stmt) {
throw new Exception\InvalidQueryException(
'Statement couldn\'t be produced with sql: ' . $sql,
$this->mysqli->errno,
new Exception\ErrorException($this->mysqli->error, $this->mysqli->errno)
);
}
$this->isPrepared = true;
return $this;
}
/**
* Execute
*
* @param null|array|ParameterContainer $parameters
* @throws Exception\RuntimeException
* @return mixed
*/
public function execute($parameters = null)
{
if (! $this->isPrepared) {
$this->prepare();
}
/** START Standard ParameterContainer Merging Block */
if (! $this->parameterContainer instanceof ParameterContainer) {
if ($parameters instanceof ParameterContainer) {
$this->parameterContainer = $parameters;
$parameters = null;
} else {
$this->parameterContainer = new ParameterContainer();
}
}
if (is_array($parameters)) {
$this->parameterContainer->setFromArray($parameters);
}
if ($this->parameterContainer->count() > 0) {
$this->bindParametersFromContainer();
}
/** END Standard ParameterContainer Merging Block */
if ($this->profiler) {
$this->profiler->profilerStart($this);
}
$return = $this->resource->execute();
if ($this->profiler) {
$this->profiler->profilerFinish();
}
if ($return === false) {
throw new Exception\RuntimeException($this->resource->error);
}
if ($this->bufferResults === true) {
$this->resource->store_result();
$this->isPrepared = false;
$buffered = true;
} else {
$buffered = false;
}
return $this->driver->createResult($this->resource, $buffered);
}
/**
* Bind parameters from container
*
* @return void
*/
protected function bindParametersFromContainer()
{
$parameters = $this->parameterContainer->getNamedArray();
$type = '';
$args = [];
foreach ($parameters as $name => &$value) {
if ($this->parameterContainer->offsetHasErrata($name)) {
switch ($this->parameterContainer->offsetGetErrata($name)) {
case ParameterContainer::TYPE_DOUBLE:
$type .= 'd';
break;
case ParameterContainer::TYPE_NULL:
$value = null; // as per @see http://www.php.net/manual/en/mysqli-stmt.bind-param.php#96148
case ParameterContainer::TYPE_INTEGER:
$type .= 'i';
break;
case ParameterContainer::TYPE_STRING:
default:
$type .= 's';
break;
}
} else {
$type .= 's';
}
$args[] = &$value;
}
if ($args) {
array_unshift($args, $type);
call_user_func_array([$this->resource, 'bind_param'], $args);
}
}
}