[wp-trac] [WordPress Trac] #23307: shortcode_parse_atts may return empty string

[WordPress Trac]

#23307: shortcode_parse_atts may return empty string
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 Reporter:  GaryJ         |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Shortcodes    |     Version:
 Severity:  minor         |  Resolution:
 Keywords:  has-patch     |
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Changes (by GaryJ):

 * keywords:   => has-patch


Comment:

 The patch captures when there is no space + characters after the shortcode
 tag, to return an empty array.

 However, an opening tag, plus some characters / combination of characters
 that don't fall into the `$pattern` will still currently return as a
 string. The left-trimmed string could be set as the first element of an
 array, or cast to an array, but I'm unsure what BC might break from what
 is presumably an edge case?

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Ticket URL: <http://core.trac.wordpress.org/ticket/23307#comment:1>
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