sodium_add
PHP function
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(PHP 7 >= 7.2.0, PHP 8)
Add large numbers
Description
sodium_add(string $string1, string $string2): void
This adds the parameter string2 to string1, overwriting the value stored in string1. This function assumes both parameters are binary strings that represent unsigned integers in little-endian byte order.
Parameters
string1String representing an arbitrary-length unsigned integer in little-endian byte order. This parameter is passed by reference and will hold the sum of the two parameters.
string2String representing an arbitrary-length unsigned integer in little-endian byte order.
Return Values
Void