Scott Taylor 0b0eb4fb20 Ordering by RAND():
The shortcode callbacks for `gallery` and `playlist` check for `'RAND' == $atts['order']`, which isn't a valid value for `order`. Remove those checks and update the docs.

In `WP_Query`, if the value of `orderby` is `rand`, `order` is irrelevant and should be unset.

Adds unit tests.

Fixes #29629.


git-svn-id: https://develop.svn.wordpress.org/trunk@29760 602fd350-edb4-49c9-b593-d223f7449a82
2014-09-23 03:51:24 +00:00
2014-09-23 03:51:24 +00:00
2014-09-23 03:51:24 +00:00
2014-08-21 02:53:16 +00:00
2014-09-05 19:44:38 +00:00
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