atutor/AChecker — pull request #49 by pierlauro (2014-06-10 22:53:42+00:00)
Title: Using CURL to avoid 403 response from the w3c validator server

Using file_get_contents the W3C server returns 403:
"Warning: file_get_contents(http://validator.w3.org/check?uri=http://www.google.it): failed to open stream: HTTP request failed! HTTP/1.1 403 Forbidden /...path.../"