- decbin: documentation ( source)
<?php
echo decbin(E_ALL);
echo "\n";
echo decbin(E_STRICT);
echo "\n";
echo decbin(E_DEPRECATED);
echo "\n";
echo decbin(E_ALL & ~E_DEPRECATED);
echo "\n";
echo decbin(E_ALL | E_STRICT);
echo "\n";
echo decbin(E_ALL | E_STRICT & ~E_DEPRECATED);