bcadd

(PHP 4, PHP 5, PHP 7)

bcadd — 2锟斤拷锟斤拷锟解精锟斤拷锟斤拷锟街的加凤拷锟斤拷锟斤拷

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

锟斤拷锟斤拷锟斤拷锟�锟斤拷锟揭诧拷锟斤拷锟斤拷锟斤拷锟�

left_operand: 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷址锟斤拷锟斤拷锟斤拷锟�
right_operand: 锟揭诧拷锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷
scale: 锟剿匡拷选锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫斤拷锟斤拷锟叫★拷锟斤拷锟斤拷锟叫★拷锟轿伙拷锟斤拷锟揭诧拷锟酵拷锟绞癸拷锟� bcscale() 锟斤拷锟斤拷锟斤拷全锟斤拷默锟较碉拷小锟斤拷位锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫猴拷锟斤拷锟斤拷

2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街拷锟侥斤拷锟斤拷锟斤拷址锟斤拷锟斤拷锟斤拷锟�

Example #1 bcadd() 示锟斤拷


<?php

$a = '1.234';
$b = '5';

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

?>