public static function Calculator::subtract in Physical Fields 8

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()

Measurement::subtract in src/Measurement.php

Subtracts the given measurement from the current one.

Temperature::convert in src/Temperature.php

Converts the current temperature measurement to a new unit.

File

src/Calculator.php, line 53

Class

Calculator

Provides helpers for bcmath-based arithmetic.

Namespace

Drupal\physical

Code

public static function subtract($first_number, $second_number, $scale = 16) {
  self::assertNumberFormat($first_number);
  self::assertNumberFormat($second_number);
  $result = bcsub($first_number, $second_number, $scale);
  return self::trim($result);
}