--TEST-- getprotobyname function errors test --CREDITS-- edgarsandi - <edgar.r.sandi@gmail.com> --FILE-- <?php // empty protocol name var_dump(getprotobyname()); // invalid protocol name var_dump(getprotobyname('abc')); ?> --EXPECTF-- Warning: getprotobyname() expects exactly 1 parameter, 0 given in %s on line %d NULL bool(false)