Re: Big file encryption
| From: | david forums | Date: | Thu, 14 Jul 2005 14:20:26 +0000 |
| Subject: | Re: Big file encryption | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-218687@lists.php.net to get a copy of this message | ||
Ok tx
And you mean that I can concatenate every chunck in the same file ?
And what about decryption, could I take the same way ?
david
Le Thu, 14 Jul 2005 14:25:48 +0200, Ahmed Saad <myanywhere@gmail.com> a écrit:
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 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php