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Posted by Ahmed Saad on 07/14/05 15:25
hi david,
On 7/14/05, david forums <dforums@vieonet.com> wrote:
> So I need to know a way to be able to encrypt large file.
function readfile_chunked ($filename) {
$chunksize = 1*(1024*1024); // it reads 1 mb per chunck. adjust this
if u need.
$buffer = '';
$handle = fopen($filename, 'rb');
if ($handle === false)
{
return false;
}
while (!feof($handle))
{
$buffer = fread( $handle, $chunksize );
// do whatever with the chuck you read.
// you can encrypt it and write all the chunks to the same file
// (open a file for writing before the loop)
}
return fclose( $handle );
}
-ahmed
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