protected function extractRules(array $data)
    {
        $rules = [];

        foreach ($data as $field => $fieldData) {
            $rules[$field] = $fieldData[1];
        }

        return $rules;
    }
protected function extractRules(array $data)
    {
        $rules = [];

        foreach ($data as $field => $fieldData) {
            $rules[$field] = $fieldData[1];
        }

        return $rules;
    }
protected function extractRules ( array $ data ) { $ rules = [ ] ; foreach ( $ data as $ field => $ fieldData ) { $ rules [ $ field ] = $ fieldData [ 1 ] ; } return $ rules ; }
Extract the field ruleset from the data array.

@param  array  $data
@return array
Extract the field ruleset from the data array .