api: add article api hook to getArticle, change parameters passed

include/functions.php

@@ -39,11 +39,6 @@
 	 * @return boolean True if defined successfully or not.
 	 */
 	function define_default($name, $value) {
-		// Note: performence freaks should define everything in
-		// config.php becasue if will make defined() run much faster,
-		// see comment by 'tris+php at tfconsulting dot com dot au'
-		// here:
-		// http://www.php.net/manual/en/function.defined.php#89886
 		defined($name) or define($name, $value);
 	}