[wp-trac] [WordPress Trac] #59509: Shortcode attributes named 0 are ignored

[WordPress Trac]

#59509: Shortcode attributes named 0 are ignored
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 Reporter:  ourous                        |       Owner:  (none)
     Type:  defect (bug)                  |      Status:  new
 Priority:  normal                        |   Milestone:  Awaiting Review
Component:  Shortcodes                    |     Version:  6.3.1
 Severity:  normal                        |  Resolution:
 Keywords:  needs-patch needs-unit-tests  |     Focuses:
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Changes (by SergeyBiryukov):

 * keywords:   => needs-patch needs-unit-tests


Comment:

 Hi there, welcome to WordPress Trac! Thanks for the report, I was able to
 reproduce the issue.

 Looks like this happens because the `shortcode_parse_atts()` function has
 some checks like `! empty( $m[1] )`, which should perhaps be replaced with
 `'' !== $m[1]`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59509#comment:1>
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