Yes and what is your question ?

Your question is unanswerable .

Provide both options to customer , that is they can decide to register , or they can use your website just for the time being.

Are you willing to pay ? :-)

Write a script to restore DB ,put it in a cron job.

Do you know PHP ? Can you not try something simpler first ? There is an opensource software oscommerce for doing such stuffs.

Are you willing to pay for the script ?

What ecommerce script are you using ? contact the vendor or developer who has delivered it to you.

You just need to know the UTF encoding for all characters of the other language .

How about making a hotel reservation system ?

You can try no-ip.com ,etc.

Make a shopping cart .

Easier way to send sms is to send an email to sms service provider with the mobile number.

First login as an ordinary user , there will be a link to login to admin panel.

I think I have seen something simmilar like this in hotscripts.com .

They are not same , cURL uses httprequest .

I agree with Shawn, drupal.org could be a good starting point.

Put the code in a separate php file and run it as a cron job :D

Something like getopt("CURLOPT_USERPWD") and parse the strings delimited by :.

Check http://www.backhand.org/mod_backhand/
(NOT my website)

Remember the name of the files getting uploaded , delete them if any of the upload fails.

Use .htaccess in the directory.

There are standard image cropping algorithm available, just code one of them in php.

Yes you can get , I guess next question would be how to make it work ?

You can start with oscommerce.

I do not think you will find any readymade opensource php code base for pizza ordering .

php.net and w3schools.com are good starting point.

Yes post the code first.

Something like pdf2html ,etc will do.

It is definitely a violation to google adsense's terms and condition.

Yes it can be customized to support your requirement.

Your question is not clear.

It will go in spam box for sure.

You can use mysql , check sample program on how to access mysql database using PHP in w3schools.com.

You would also require to install apache (latest version) to test php code that you write.

You can buy such script from website like hotscripts.com (not my website)

You can check forums.joomla.org , help.joomla.org as well.

You can start with oscommerce .

You can install latest captcha as well.

Most of the web hosts allows you install forum like phpBB at a click of button.