Crawel /php script to check and update products' prices, invertory and new products from our suppliers web sites and will update our database daily. -- 3

Crawel /php script to check and update prices, inventory and new products from our suppliers web sites. When there are any updates to suppliers site these will be saved to our database. This script will run every day by our server's cron job or manual via browser. The updates that will be done will be sent as report also via email We want to have all products & categories parsed from our suppliers sites saved into our database Key Points: 1. There is already a structure made(sample table,same structure need to be followed), need to use that. 2. The script will run daily & update database,so performance need to be optimized. 3. Most data in our suppliers site is in Greek letters (cyrillic fonts) & we need same in our [login to view URL] make sure there should be no issue with encoding. 4. The products' price to our database will be increased from 50%-100% in comparison with our suppliers site. This percent of that must be adjustble from the script. 5, Attention:Please do not bid without reading the description of the [login to view URL] previous freelancer made a script that had problem with encoding & performance of the [login to view URL] can take this script & fix or develop from scratch or develop from the begining. We can discuss further via freelancer.com chat. Must be provided the source code of the script and the way how to install and run to the server in order to use it for various suppliers sites