Keep original parameter names in functionMap.php for PHP 7.4

The base functionMap.php is used for PHP 7.4 and below where named
arguments do not exist. Only functionMap_php80delta.php needs the
PHP 8 parameter names for named argument support.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: phpstan-bot

resources/functionMap.php

@@ -7833,10 +7833,10 @@
 'PDOStatement::errorInfo' => ['array'],
 'PDOStatement::execute' => ['bool', 'bound_input_params='=>'?array'],
 'PDOStatement::fetch' => ['mixed', 'how='=>'int', 'orientation='=>'int', 'offset='=>'int'],
-'PDOStatement::fetchAll' => ['array|false', 'mode='=>'int'],
-'PDOStatement::fetchAll\'1' => ['array|false', 'mode'=>'int', 'column'=>'int'],
-'PDOStatement::fetchAll\'2' => ['array|false', 'mode'=>'int', 'class'=>'string', 'constructorArgs='=>'?array'],
-'PDOStatement::fetchAll\'3' => ['array|false', 'mode'=>'int', 'callback'=>'callable'],
+'PDOStatement::fetchAll' => ['array|false', 'how='=>'int'],
+'PDOStatement::fetchAll\'1' => ['array|false', 'fetch_column'=>'int', 'colno'=>'int'],
+'PDOStatement::fetchAll\'2' => ['array|false', 'fetch_class'=>'int', 'classname'=>'string', 'ctorargs='=>'?array'],
+'PDOStatement::fetchAll\'3' => ['array|false', 'fetch_func'=>'int', 'callback'=>'callable'],
 'PDOStatement::fetchColumn' => ['string|null|false|int', 'column_number='=>'int'],
 'PDOStatement::fetchObject' => ['mixed', 'class_name='=>'string', 'ctor_args='=>'?array'],
 'PDOStatement::getAttribute' => ['mixed', 'attribute'=>'int'],