Wrong indices in match array in parse_w3cdtf

[mortenf]

In rss.php, in the function parse_w3cdtf, the date/time string to parse is matched against a regular expression, which captures parts using parantheses. The resulting array, $match, is then indexed to obtain each part, but the indices used are wrong in two cases.

Running on some versions of PHP, this leads to a warning when calling the function gmmktime:

Warning:  gmmktime() expects parameter 3 to be long, string given in ...

The warning also makes the function return 0, leading to incorrect results.

This issue is also present in the 2.0.x branch.

Additional milestone: 2.0.10

I believe this patch is good.

I just did a little test program to parse a date string (which I will attach directly), and found that array item 7 has the seconds, and number 11 has the "Z" if present. The current rss.php (as of SVN revision [4718] of rss.php) definitely has the indices wrong (6 and 10 respectively), and the patch fixes it.

So I recommend installing this patch.

Test script for parsing dates

(In [4997]) Fix parse_w3cdtf. Props mortenf. fixes #3896

(In [4998]) Fix parse_w3cdtf. Props mortenf. fixes #3896