#!/usr/local/bin/php -q
<?php

echo "here the & goes good\n";
$a=884330816;
print ($a);
print ("\n");
print (($a-256*256*256*128) & 255);
print ("\n");
print (($a) & 255);
print ("\n");

echo "here it goes bad\n";
$a=4076863680;
print ($a);
print ("\n");
print (($a-256*256*256*128) & 255);
print ("\n");
print (($a) & 255); # $a is an unsigned int32 when it is printed!
print ("\n");

?>

It works in PHP3