Re: PHP function unpack

Hi, I've sent this mail a few days ago, but as this list have a very high traffic maybe my mail disappear from you inbox. Any help would be appreciated. Thanks in advance, Gabriel. On Sun, Oct 11, 2009 at 4:42 PM, Gabriel Hahmann <gabriel.hahmann@gmail.com> wrote: > Hi, > > I'm new to the list and I've search internet and didn't find an answer > to my problem. > > I'm converting a perl script to PHP and I've done almost everything. > The only part of the code that I didn't get working on PHP was: > > (PERL CODE) > foreach ($b_length,$b_mac,$b_crlf,$b_crlf,$a_body) { >        $d_checksum += unpack("%16n*", $_); > } > > The idea is to make a 16-bit checksum of all elements > ($b_length,$b_mac,$b_crlf,$b_crlf,$a_body). > > I'm tried translating the code to: > > $arr_checksum = array($b_length,$b_mac,$b_crlf,$b_crlf,$File_Content); > > $d_checksum = 0; > foreach($arr_checksum as $check_elem){ >        $d_check = unpack("n*", $check_elem); >        for ($i=0;$i<4;$i++){ >                $d_checksum += $d_check["$i"]; >        } > } > > But the result is different. I know that unpack in perl and php are > different, but I cant find a way to translate the format %16n* of perl > to php and generate a 16-bit checksum. > > Any help will be appreciated. > > []'s > Gabriel. >