pack \n"); print("

");
print(pack("a10a10", "hello", "world"));
print("

\n"); $ff = "F9"; $hex = pack("h*", $ff); $dd = "F9F9"; $dex = pack("h*", $dd); if(eregi($hex, $dex)) { print "hm..\n"; } print "$ff -> $hex\n"; ?>