getConstants() as $key => $value) { $result[$value] = lang('Enum.' . strtolower($key)); } return $result; } /** * @param int $code * @return string */ public static function get_rounding_code_name(int $code): string { if (empty($code)) { return lang('Common.unknown'); } return Rounding_mode::get_rounding_options()[$code]; } /** * @return string */ public static function get_html_rounding_options(): string { $x = ''; foreach (Rounding_mode::get_rounding_options() as $option => $label) { $x .= '' . $label . ''; } return $x; } /** * @param int $rounding_mode * @param float $amount * @param int $decimals * @return string */ public static function round_number(int $rounding_mode, float $amount, int $decimals): string { // TODO: this needs to be replaced with a switch statement if ($rounding_mode == Rounding_mode::ROUND_UP) { $fig = pow(10, $decimals); $rounded_total = (ceil($fig * $amount) + ceil($fig * $amount - ceil($fig * $amount))) / $fig; } elseif ($rounding_mode == Rounding_mode::ROUND_DOWN) { $fig = pow(10, $decimals); $rounded_total = (floor($fig * $amount) + floor($fig * $amount - floor($fig * $amount))) / $fig; } elseif ($rounding_mode == Rounding_mode::HALF_FIVE) { $rounded_total = round($amount / 5, $decimals, Rounding_mode::HALF_EVEN) * 5; } else { $rounded_total = round($amount, $decimals, $rounding_mode); } return $rounded_total; } }