public static function get_dp_options() {
        $options = array();
        for ($i = 0; $i <= self::MAX_DP; $i += 1) {
            $options[$i] = $i;
        }
        return $options;
    }
public static function get_dp_options() {
        $options = array();
        for ($i = 0; $i <= self::MAX_DP; $i += 1) {
            $options[$i] = $i;
        }
        return $options;
    }
public static function get_dp_options ( ) { $ options = array ( ) ; for ( $ i = 0 ; $ i <= self :: MAX_DP ; $ i += 1 ) { $ options [ $ i ] = $ i ; } return $ options ; }
Returns the valid choices for the number of decimal places for showing
question marks. For use in the user interface.

Calling code should probably use {@link question_engine::get_dp_options()}
rather than calling this method directly.

@return array suitable for passing to {@link html_writer::select()} or similar.
Returns the valid choices for the number of decimal places for showing question marks . For use in the user interface .