[Anima_Hariop]

Many free web hosts set allow_url_fopen to off and that's why I can't use fopen. I just want to know if there is a way I can open a file, specifically a text file (*.txt), via an external url.

[programmersbank]

if you have a .txt file on same server then use fopen function, you can see details at php.net/fopen

or use this line in your .htaccess file
php_value allow_url_fopen 1

you can consider using curl, if it is enabled.

[pradeep]

http://curl.haxx.se/docs/ CURL is cool, try that.