<?php require 'vendor/autoload.php'; use LargeInteger\LargeInteger; $uint1 = new LargeInteger("123235435987321498729587140827985234"); $uint2 = new LargeInteger("123235435987321498729587140827985234"); $uint3 = $uint1->add($uint2); //echo bcadd(123235435987321498729587140827985234, 123235435987321498729587140827985234); //echo '<br />'; //echo $uint3->get_value(); //echo '<br />'; //echo bcadd("123235435987321498729587140827985234", "123235435987321498729587140827985234"); $int1 = new LargeInteger(28); $int2 = new LargeInteger(457); var_dump($int1->_compare($int2)); echo '<br/>'; var_dump(bccomp(28, 457));