protected function getCustomFilters()
    {
        $filters = (array) $this->getOption('custom_filters');

        return array_filter(
            $filters,
            function ($name) {
                return is_string($name);
            },
            ARRAY_FILTER_USE_KEY
        );
    }
protected function getCustomFilters()
    {
        $filters = (array) $this->getOption('custom_filters');

        return array_filter(
            $filters,
            function ($name) {
                return is_string($name);
            },
            ARRAY_FILTER_USE_KEY
        );
    }
protected function getCustomFilters ( ) { $ filters = ( array ) $ this -> getOption ( 'custom_filters' ) ; return array_filter ( $ filters , function ( $ name ) { return is_string ( $ name ) ; } , ARRAY_FILTER_USE_KEY ) ; }
Get custom registered filters.

@return array
Get custom registered filters .