Author Archives: Steve Addison

Step 56 – mysql_escape_string

Posted on July 19, 2010 by Steve Addison

I don’t refer to the PHP manual very much for commonly used functions, so I almost missed this one. The ‘mysql_escape_string’ function that’s used in subs.php to prepare data for insertion into the database is deprecated as of PHP 5.3 … Continue reading →

Posted in Run Time Environment | Leave a comment

Step 55 – Delaying Loading of the SCO

Posted on July 16, 2010 by Steve Addison

In the past, I’ve had some intermittent problems with a SCO loading but showing a Javascript error. Although I couldn’t pin it down conclusively, it seemed to result from an incomplete download of some kind. Since forcing a reload with … Continue reading →

Posted in Run Time Environment | 2 Comments

Step 54 – Error Handling?

Posted on July 13, 2010 by Steve Addison

The problem SCO described in Step 52 is now working correctly, so why do I need to look any further? There’s a more subtle problem. The ‘datamodel.element._children’ mechanism described in the SCORM RTE specification seems to have been developed so … Continue reading →

Posted in Run Time Environment | Leave a comment

Follow VSSCORM on Twitter

Posted on July 11, 2010 by Steve Addison

You can now follow the progress of VSSCORM on Twitter – search for username VSSCORM, or click on this link: http://twitter.com/VSSCORM

Posted in Admin & Notes | Leave a comment

Step 53 – Delaying the Closing Sequence

Posted on July 11, 2010 by Steve Addison

I’m still trying to fix the problem that my reader’s SCO highlighted (described in this post). I’ve implemented the optional data element that it’s trying to use – cmi.comments – but that hasn’t fixed the problem. So I need to … Continue reading →

Posted in Run Time Environment | 2 Comments

Step 52 – cmi.comments and cmi.comments_from_lms

Posted on July 9, 2010 by Steve Addison

A reader recently contacted me with a problem that raised some interesting issues. Hopefully, we’ve now resolved the problem but, since the issues might well occur with other SCOs, what I’d like to do is to walk through the process … Continue reading →

Posted in Run Time Environment | 2 Comments

New Site Layout

Posted on July 1, 2010 by Steve Addison

I’m taking a break from development to re-arrange the VSSCORM website. I think the new structure and navigation will make it easier for me to organize the content, and for you to find it when you need it. This will … Continue reading →

Posted in Admin & Notes | 1 Comment

Regrouping … What Next?

Posted on June 19, 2010 by Steve Addison

OK – I’ve come quite a long way with understanding the SCORM 1.2 standard (although it would be wrong to claim that I understand all of its nuances), and a fair way with the development of the VSSCORM interface. So, … Continue reading →

Posted in Admin & Notes | 1 Comment

Download VS SCORM 1.2 RTE Rev 2.1

Posted on April 30, 2010 by Steve Addison

After a somewhat longer time than I’d planned, here’s Rev 2.1 of the VSSCORM 1.2 RTE. It includes the following changes from Rev 2.0:

Posted in Run Time Environment | 5 Comments

Another Bug in VS SCORM 1.2 RTE Rev 2.0

Posted on March 19, 2010 by Steve Addison

An eagle-eyed reader of the blog has brought the following bug to my attention. In all cases in the php code, you use the string “ab initio” as the value for cmi.core.entry when it is the first time a SCO … Continue reading →

Posted in Run Time Environment | Leave a comment