bcsub

(PHP 3, PHP 4, PHP 5)

bcsub -- Subtract one arbitrary precision number from another

Description

string bcsub ( string left_operand, string right_operand [, int scale] )

Subtracts the right_operand from the left_operand and returns the result in a string. The optional scale parameter is used to set the number of digits after the decimal place in the result.

Примеры

Пример 1. bcsub() example


<?php

$a = '1.234';
$b = '5';
 
echo bcsub($a, $b);     // -3
echo bcsub($a, $b, 4);  // -3.7660

?>

Смотрите также

bcadd().