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PdoStatementSetFetchMode.php
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PdoStatementSetFetchMode.php
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<?php
namespace Psalm\Internal\Provider\ReturnTypeProvider;
use Psalm\Internal\Analyzer\Statements\ExpressionAnalyzer;
use Psalm\Internal\Analyzer\StatementsAnalyzer;
use Psalm\Plugin\EventHandler\Event\MethodParamsProviderEvent;
use Psalm\Plugin\EventHandler\MethodParamsProviderInterface;
use Psalm\Storage\FunctionLikeParameter;
use Psalm\Type;
class PdoStatementSetFetchMode implements MethodParamsProviderInterface
{
public static function getClassLikeNames(): array
{
return ['PDOStatement'];
}
/**
* @return ?array<int, FunctionLikeParameter>
*/
public static function getMethodParams(MethodParamsProviderEvent $event): ?array
{
$statements_source = $event->getStatementsSource();
$method_name_lowercase = $event->getMethodNameLowercase();
$context = $event->getContext();
$call_args = $event->getCallArgs();
if (!$statements_source instanceof StatementsAnalyzer) {
return null;
}
if ($method_name_lowercase === 'setfetchmode') {
if (!$context
|| !$call_args
|| ExpressionAnalyzer::analyze(
$statements_source,
$call_args[0]->value,
$context
) === false
) {
return null;
}
if (($first_call_arg_type = $statements_source->node_data->getType($call_args[0]->value))
&& $first_call_arg_type->isSingleIntLiteral()
) {
$params = [
new FunctionLikeParameter(
'mode',
false,
Type::getInt(),
null,
null,
false
),
];
$value = $first_call_arg_type->getSingleIntLiteral()->value;
switch ($value) {
case 7: // PDO::FETCH_COLUMN
$params[] = new FunctionLikeParameter(
'colno',
false,
Type::getInt(),
null,
null,
false
);
break;
case 8: // PDO::FETCH_CLASS
$params[] = new FunctionLikeParameter(
'classname',
false,
Type::getClassString(),
null,
null,
false
);
$params[] = new FunctionLikeParameter(
'ctorargs',
false,
Type::getArray(),
null,
null,
true
);
break;
case 9: // PDO::FETCH_INTO
$params[] = new FunctionLikeParameter(
'object',
false,
Type::getObject(),
null,
null,
false
);
break;
}
return $params;
}
}
return null;
}
}