- var_dump: documentation ( source)
- round: documentation ( source)
<?php
echo "Php max int: ", PHP_INT_MAX, "\n";
var_dump(-1580033017 + -2072974554);
echo "Intval of the val: ".intval(round(-3653007571))."\n";
echo "And 0xffffffff of the val: ".(-3653007571 & 0xffffffff)."\n";