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bcadd

(PHP 3, PHP 4, PHP 5)

bcadd -- Add two arbitrary precision numbers

Description

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

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

範例

例子 1. bcadd() example

<?php

$a = '1.234';
$b = '5';

echo bcadd($a, $b);     // 6
echo bcadd($a, $b, 4);  // 6.2340

?>

參見

bcsub().



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BC math 高精度數學函數上一級bccomp