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BigInteger.php

Pure-PHP arbitrary precision integer arithmetic library.

Supports base-2, base-10, base-16, and base-256 numbers. Uses the GMP or BCMath extensions, if available, and an internal implementation, otherwise.

PHP version 5 and 7

Here's an example of how to use this library:


add($b);

   echo $c->toString(); // outputs 5
?>

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BigInteger: Pure-PHP arbitrary precision integer arithmetic library. Supports base-2, base-10, base-16, and base-256 numbers.