BC math
PHP Manual

bcadd

(PHP 4, PHP 5)

bcadd — Add two arbitrary precision numbers

Описание

string bcadd ( string $left_operand , string $right_operand [, int $scale ] )

Sums left_operand and right_operand .

Список параметров

left_operand

The left operand, as a string.

right_operand

The right operand, as a string.

scale

This optional parameter is used to set the number of digits after the decimal place in the result. You can also set the global default scale for all functions by using bcscale().

Возвращаемые значения

The sum of the two operands, as a string.

Примеры

Example#1 bcadd() example

<?php

$a 
'1.234';
$b '5';

echo 
bcadd($a$b);     // 6
echo bcadd($a$b4);  // 6.2340

?>

Смотрите также


BC math
PHP Manual