(PHP 4, PHP 5, PHP 7)
bcadd — Add two arbitrary precision numbers
$left_operand
, string $right_operand
[, int $scale = 0
] ) : string
Sums left_operand and
right_operand.
left_operandThe left operand, as a string.
right_operandThe right operand, as a string.
scaleThis optional parameter is used to set the number
of digits after the decimal place in the result. If omitted, it will default to the scale set
globally with the bcscale() function, or fallback to 0 if
this has not been set.
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
?>