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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