Before working on a particular file we must be sure that file is existed or not. Just copy and paste in your text editor to see the output directly. CodeSnipr also provides screencast where beginner can easily understand about this article.
http://www.codesnipr.com/snippet/160/...
On this page of the site you can watch the video online PHP Tutorial : PHP file_exists function with a duration of hours minute second in good quality, which was uploaded by the user rohitphp2010 26 October 2010, share the link with friends and acquaintances, this video has already been watched 492 times on youtube and it was liked by 1 viewers. Enjoy your viewing!