public static function Calculator::subtract in Price 3.0.x

Same name and namespace in other branches

1. 8 src/Calculator.php \Drupal\price\Calculator::subtract()
2. 3.x src/Calculator.php \Drupal\price\Calculator::subtract()
3. 2.0.x src/Calculator.php \Drupal\price\Calculator::subtract()
4. 2.x src/Calculator.php \Drupal\price\Calculator::subtract()

Subtracts the second number from the first number.

Parameters

string $first_number: The first number.

string $second_number: The second number.

int $scale: The maximum number of digits after the decimal place. Any digit after $scale will be truncated.

Return value

string The result.

2 calls to Calculator::subtract()

Price::subtract in src/Price.php

Subtracts the given price from the current price.

PriceModified::subtract in src/PriceModified.php

Subtracts the given price from the current price.

File

src/Calculator.php, line 51

Class

Calculator

Provides helpers for bcmath-based arithmetic.

Namespace

Drupal\price

Code

public static function subtract($first_number, $second_number, $scale = 6) {
  self::assertNumberFormat($first_number);
  self::assertNumberFormat($second_number);
  $result = bcsub($first_number, $second_number, $scale);
  return self::trim($result);
}