protected function getCustomTypes()
    {
        $types = (array) $this->getOption('custom_types');

        return array_filter(
            $types,
            function ($name) {
                return is_string($name);
            },
            ARRAY_FILTER_USE_KEY
        );
    }
protected function getCustomTypes()
    {
        $types = (array) $this->getOption('custom_types');

        return array_filter(
            $types,
            function ($name) {
                return is_string($name);
            },
            ARRAY_FILTER_USE_KEY
        );
    }
protected function getCustomTypes ( ) { $ types = ( array ) $ this -> getOption ( 'custom_types' ) ; return array_filter ( $ types , function ( $ name ) { return is_string ( $ name ) ; } , ARRAY_FILTER_USE_KEY ) ; }
Retrieve custom DBAL types.

@return array
Retrieve custom DBAL types .