Taking all Image screenshots of URL?

[FOFO]

I really want a true code in php for taking all the screenshot images of URL which would be entered in textbox..say if i enter any urls like\[code\]www.google.com\[/code\] it must give screenshot of that url and if i enter like \[code\]www.ruchisanghvi.in(mysite)\[/code\] it must give screen shot of home pageand \[code\]www.ruchisanghvi.in/contact.html\[/code\] then it must give screenshot of that page only not the home page.