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.
范例
例子 1. bcadd() example
<?php
$a = '1.234';
$b = '5';
echo bcadd($a, $b); // 6
echo bcadd($a, $b, 4); // 6.2340
?>
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