(PHP 4, PHP 5)
bcadd — Add two arbitrary precision numbers
$left_operand
, string $right_operand
[, int $scale
] )
Sums left_operand and
right_operand.
left_operand
The left operand, as a string.
right_operand
The right operand, as a string.
scaleThis optional parameter is used to set the number of digits after the decimal place in the result. You can also set the global default scale for all functions by using bcscale().
The sum of the two operands, as a string.
Example #1 bcadd() example
<?php
$a = '1.234';
$b = '5';
echo bcadd($a, $b); // 6
echo bcadd($a, $b, 4); // 6.2340
?>