Re: crc check for JPEG file exists
| From: | Per Jessen | Date: | Wed, 27 Feb 2008 08:31:21 +0000 |
| Subject: | Re: crc check for JPEG file exists | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-270263@lists.php.net to get a copy of this message | ||
Olav Mørkrid wrote:
> is crc32() an acceptable way of managing whether a JPEG file exists
> (in a database or similar collection)?
>
> i mean doing a crc32() on the binary data of the JPEG file, and then
> check the database if there is already another entry with the same
> CRC.
>
> the database has relatively few images (some thousands).
I use an md5 checksum for that sort of thing.
/Per Jessen, Zürich