# likelink@xxxxxxxxxxxxxx / 2007-01-01 15:15:07 -0500:
> Hello Everyone,
> I'm trying to write a PHP script that opens a binary file, reads the
> binary in chunks, checks those chunks for a certain binary string, and
> then if the string is found, it replaces the string with another binary
> string. The script should then a copy of the file, including the
> changed bits. But for some reason, the script is not replacing the
> binary string.
>
> Here's the source code:
>
> <?php
>
> $in = fopen("C:\NeighborhoodManager.package", "rb");
> $out = fopen("C:\NeighborhoodManager2.package", "w");
> $count = 0;
>
> while (!feof($in)) {
> $count++;
> $buffer = fread($in,50000);
> if
> (eregi("0101001101110100011100100110000101101110011001110110010101110100011011110111011101101110",$buffer))
Binary mode ("rb") doesn't mean PHP will translate each bit of the data
into a 7-bit (or longer) textual representation.
http://www.php.net/manual/en/function.pack.php
http://www.php.net/manual/en/function.unpack.php
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