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<BC mathbccomp>
Last updated: Mon, 16 Jul 2012

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.

例

例子 1. bcadd() example

<?php

$a = '1.234';
$b = '5';

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

?>

参见

bcsub().




<BC mathbccomp>
 Last updated: Mon, 16 Jul 2012
 
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