<?php
function foo($sFile, $vFlags) {
if ($vFlags & FLAGA) {
echo "FLAGA is set\n";
}
if ($vFlags & FLAGB) {
echo "FLAGB is set\n";
}
if ($vFlags & FLAGC) {
echo "FLAGC is set\n";
}
}
foo('test.txt',FLAGA | FLAGB | FLAGC);
PD9waHAKCmRlZmluZSgnRkxBR0EnLDQwKTsKZGVmaW5lKCdGTEFHQicsMTApOwpkZWZpbmUoJ0ZMQUdDJywzKTsKCmZ1bmN0aW9uIGZvbygkc0ZpbGUsICR2RmxhZ3MpIHsKICBpZiAoJHZGbGFncyAmIEZMQUdBKSB7CiAgCWVjaG8gIkZMQUdBIGlzIHNldFxuIjsKICB9CiAgaWYgKCR2RmxhZ3MgJiBGTEFHQikgewogIAllY2hvICJGTEFHQiBpcyBzZXRcbiI7CiAgfQogIGlmICgkdkZsYWdzICYgRkxBR0MpIHsKICAJZWNobyAiRkxBR0MgaXMgc2V0XG4iOwogIH0KfQpmb28oJ3Rlc3QudHh0JyxGTEFHQSB8IEZMQUdCIHwgRkxBR0MpOw==