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<?php
namespace Doctrine\DBAL\Portability;
use Doctrine\DBAL\Driver\Result;
use Doctrine\DBAL\Driver\ResultStatement;
use Doctrine\DBAL\Driver\Statement as DriverStatement;
use Doctrine\DBAL\Driver\StatementIterator;
use Doctrine\DBAL\FetchMode;
use Doctrine\DBAL\ParameterType;
use IteratorAggregate;
use PDO;
use function array_change_key_case;
use function assert;
use function is_string;
use function rtrim;
/**
* Portability wrapper for a Statement.
*/
class Statement implements IteratorAggregate, DriverStatement, Result
{
/** @var int */
private $portability;
/** @var DriverStatement|ResultStatement */
private $stmt;
/** @var int */
private $case;
/** @var int */
private $defaultFetchMode = FetchMode::MIXED;
/**
* Wraps <tt>Statement</tt> and applies portability measures.
*
* @param DriverStatement|ResultStatement $stmt
*/
public function __construct($stmt, Connection $conn)
{
$this->stmt = $stmt;
$this->portability = $conn->getPortability();
$this->case = $conn->getFetchCase();
}
/**
* {@inheritdoc}
*/
public function bindParam($param, &$variable, $type = ParameterType::STRING, $length = null)
{
assert($this->stmt instanceof DriverStatement);
return $this->stmt->bindParam($param, $variable, $type, $length);
}
/**
* {@inheritdoc}
*/
public function bindValue($param, $value, $type = ParameterType::STRING)
{
assert($this->stmt instanceof DriverStatement);
return $this->stmt->bindValue($param, $value, $type);
}
/**
* {@inheritdoc}
*
* @deprecated Use free() instead.
*/
public function closeCursor()
{
return $this->stmt->closeCursor();
}
/**
* {@inheritdoc}
*/
public function columnCount()
{
return $this->stmt->columnCount();
}
/**
* {@inheritdoc}
*
* @deprecated The error information is available via exceptions.
*/
public function errorCode()
{
assert($this->stmt instanceof DriverStatement);
return $this->stmt->errorCode();
}
/**
* {@inheritdoc}
*
* @deprecated The error information is available via exceptions.
*/
public function errorInfo()
{
assert($this->stmt instanceof DriverStatement);
return $this->stmt->errorInfo();
}
/**
* {@inheritdoc}
*/
public function execute($params = null)
{
assert($this->stmt instanceof DriverStatement);
return $this->stmt->execute($params);
}
/**
* {@inheritdoc}
*
* @deprecated Use one of the fetch- or iterate-related methods.
*/
public function setFetchMode($fetchMode, $arg2 = null, $arg3 = null)
{
$this->defaultFetchMode = $fetchMode;
return $this->stmt->setFetchMode($fetchMode, $arg2, $arg3);
}
/**
* {@inheritdoc}
*
* @deprecated Use iterateNumeric(), iterateAssociative() or iterateColumn() instead.
*/
public function getIterator()
{
return new StatementIterator($this);
}
/**
* {@inheritdoc}
*
* @deprecated Use fetchNumeric(), fetchAssociative() or fetchOne() instead.
*/
public function fetch($fetchMode = null, $cursorOrientation = PDO::FETCH_ORI_NEXT, $cursorOffset = 0)
{
$fetchMode = $fetchMode ?: $this->defaultFetchMode;
$row = $this->stmt->fetch($fetchMode);
$iterateRow = (
$this->portability & (Connection::PORTABILITY_EMPTY_TO_NULL | Connection::PORTABILITY_RTRIM)
) !== 0;
$fixCase = $this->case !== null
&& ($fetchMode === FetchMode::ASSOCIATIVE || $fetchMode === FetchMode::MIXED)
&& ($this->portability & Connection::PORTABILITY_FIX_CASE);
$row = $this->fixRow($row, $iterateRow, $fixCase);
return $row;
}
/**
* {@inheritdoc}
*
* @deprecated Use fetchAllNumeric(), fetchAllAssociative() or fetchFirstColumn() instead.
*/
public function fetchAll($fetchMode = null, $fetchArgument = null, $ctorArgs = null)
{
$fetchMode = $fetchMode ?: $this->defaultFetchMode;
if ($fetchArgument) {
$rows = $this->stmt->fetchAll($fetchMode, $fetchArgument);
} else {
$rows = $this->stmt->fetchAll($fetchMode);
}
$fixCase = $this->case !== null
&& ($fetchMode === FetchMode::ASSOCIATIVE || $fetchMode === FetchMode::MIXED)
&& ($this->portability & Connection::PORTABILITY_FIX_CASE);
return $this->fixResultSet($rows, $fixCase, $fetchMode !== FetchMode::COLUMN);
}
/**
* {@inheritdoc}
*/
public function fetchNumeric()
{
if ($this->stmt instanceof Result) {
$row = $this->stmt->fetchNumeric();
} else {
$row = $this->stmt->fetch(FetchMode::NUMERIC);
}
return $this->fixResult($row, false);
}
/**
* {@inheritdoc}
*/
public function fetchAssociative()
{
if ($this->stmt instanceof Result) {
$row = $this->stmt->fetchAssociative();
} else {
$row = $this->stmt->fetch(FetchMode::ASSOCIATIVE);
}
return $this->fixResult($row, true);
}
/**
* {@inheritdoc}
*/
public function fetchOne()
{
if ($this->stmt instanceof Result) {
$value = $this->stmt->fetchOne();
} else {
$value = $this->stmt->fetch(FetchMode::COLUMN);
}
if (($this->portability & Connection::PORTABILITY_EMPTY_TO_NULL) !== 0 && $value === '') {
$value = null;
} elseif (($this->portability & Connection::PORTABILITY_RTRIM) !== 0 && is_string($value)) {
$value = rtrim($value);
}
return $value;
}
/**
* {@inheritdoc}
*/
public function fetchAllNumeric(): array
{
if ($this->stmt instanceof Result) {
$data = $this->stmt->fetchAllNumeric();
} else {
$data = $this->stmt->fetchAll(FetchMode::NUMERIC);
}
return $this->fixResultSet($data, false, true);
}
/**
* {@inheritdoc}
*/
public function fetchAllAssociative(): array
{
if ($this->stmt instanceof Result) {
$data = $this->stmt->fetchAllAssociative();
} else {
$data = $this->stmt->fetchAll(FetchMode::ASSOCIATIVE);
}
return $this->fixResultSet($data, true, true);
}
/**
* {@inheritdoc}
*/
public function fetchFirstColumn(): array
{
if ($this->stmt instanceof Result) {
$data = $this->stmt->fetchFirstColumn();
} else {
$data = $this->stmt->fetchAll(FetchMode::COLUMN);
}
return $this->fixResultSet($data, true, false);
}
public function free(): void
{
if ($this->stmt instanceof Result) {
$this->stmt->free();
return;
}
$this->stmt->closeCursor();
}
/**
* @param mixed $result
*
* @return mixed
*/
private function fixResult($result, bool $fixCase)
{
$iterateRow = (
$this->portability & (Connection::PORTABILITY_EMPTY_TO_NULL | Connection::PORTABILITY_RTRIM)
) !== 0;
$fixCase = $fixCase && $this->case !== null && ($this->portability & Connection::PORTABILITY_FIX_CASE) !== 0;
return $this->fixRow($result, $iterateRow, $fixCase);
}
/**
* @param array<int,mixed> $resultSet
*
* @return array<int,mixed>
*/
private function fixResultSet(array $resultSet, bool $fixCase, bool $isArray): array
{
$iterateRow = (
$this->portability & (Connection::PORTABILITY_EMPTY_TO_NULL | Connection::PORTABILITY_RTRIM)
) !== 0;
$fixCase = $fixCase && $this->case !== null && ($this->portability & Connection::PORTABILITY_FIX_CASE) !== 0;
if (! $iterateRow && ! $fixCase) {
return $resultSet;
}
if (! $isArray) {
foreach ($resultSet as $num => $value) {
$resultSet[$num] = [$value];
}
}
foreach ($resultSet as $num => $row) {
$resultSet[$num] = $this->fixRow($row, $iterateRow, $fixCase);
}
if (! $isArray) {
foreach ($resultSet as $num => $row) {
$resultSet[$num] = $row[0];
}
}
return $resultSet;
}
/**
* @param mixed $row
* @param bool $iterateRow
* @param bool $fixCase
*
* @return mixed
*/
protected function fixRow($row, $iterateRow, $fixCase)
{
if (! $row) {
return $row;
}
if ($fixCase) {
$row = array_change_key_case($row, $this->case);
}
if ($iterateRow) {
foreach ($row as $k => $v) {
if (($this->portability & Connection::PORTABILITY_EMPTY_TO_NULL) && $v === '') {
$row[$k] = null;
} elseif (($this->portability & Connection::PORTABILITY_RTRIM) && is_string($v)) {
$row[$k] = rtrim($v);
}
}
}
return $row;
}
/**
* {@inheritdoc}
*
* @deprecated Use fetchOne() instead.
*/
public function fetchColumn($columnIndex = 0)
{
$value = $this->stmt->fetchColumn($columnIndex);
if ($this->portability & (Connection::PORTABILITY_EMPTY_TO_NULL | Connection::PORTABILITY_RTRIM)) {
if (($this->portability & Connection::PORTABILITY_EMPTY_TO_NULL) && $value === '') {
$value = null;
} elseif (($this->portability & Connection::PORTABILITY_RTRIM) && is_string($value)) {
$value = rtrim($value);
}
}
return $value;
}
/**
* {@inheritdoc}
*/
public function rowCount()
{
assert($this->stmt instanceof DriverStatement);
return $this->stmt->rowCount();
}
}