[wp-trac] [WordPress Trac] #17717: Warning: join(): Invalid arguments passed in /home/wpcom/public_html/wp-includes/post-template.php on line 410

[WordPress Trac]

#17717: Warning: join(): Invalid arguments passed in /home/wpcom/public_html/wp-
includes/post-template.php on line 410
--------------------------+-------------------
 Reporter:  westi         |      Owner:  westi
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  3.2
Component:  Themes        |    Version:  3.0
 Severity:  normal        |   Keywords:
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 {{{get_body_class}}} takes an argument passed from {{{body_class}}} which
 can be a string or an array.

 This argument is during the process of the function converted into an
 array in all cases except when it is empty - for example an empty string.

 Themes sometimes use the {{{body_classs}}} function passing in the only
 body class they care about as a string or an empty string and then use a
 filter to return only this and not any of the default classes.

 We should therefore make sure to convert an empty string into an array as
 well as a string containing one or more space separated classes.

 Bug has always existed since this functionality was introduced for #11878.

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Ticket URL: <http://core.trac.wordpress.org/ticket/17717>
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