[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:  3.9
Component:  Shortcodes                    |     Version:
 Severity:  minor                         |  Resolution:
 Keywords:  needs-unit-tests needs-patch  |     Focuses:
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Comment (by TobiasBg):

 Replying to [comment:11 GaryJ]:
 > If the string is empty (i.e. `[foobar]`), then my attached patch already
 ensures an empty array is returned.
 > What that last suggestion covers is the edge case when some non-empty
 string fails the regex.

 Ah, ok. Thanks for the clarification.
 Without having actually tested your patch: What happens for `[foobar ]` or
 `[foobar /]`?
 And do you happen to have an example where the regex would fail for a non-
 empty string? I couldn't find one yet.

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Ticket URL: <https://core.trac.wordpress.org/ticket/23307#comment:12>
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