bcadd

    (PHP 4, PHP 5, PHP 7, PHP 8)

    bcadd — Add two arbitrary precision numbers

    Description

    bcadd(string$num1, string$num2, ?int$scale = null): string

    Sums num1 and num2.

    Parameters

    num1

    The left operand, as a string.

    num2

    The right operand, as a string.

    scale

    This 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.

    Return Values

    The sum of the two operands, as a string.

    Changelog

    VersionDescription
    8.0.0scale is now nullable.

    Examples

    Example #1 bcadd() example

    <?php

    $a     = '1.234';
    $b = '5';

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

    ?>

    See Also

    • bcsub() - Subtract one arbitrary precision number from another
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