[wp-trac] [WordPress Trac] #43583: Introduce new PHP cross-version compat function `is_countable()`

[WordPress Trac]

#43583: Introduce new PHP cross-version compat function `is_countable()`
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 Reporter:  jrf                              |       Owner:  SergeyBiryukov
     Type:  enhancement                      |      Status:  reviewing
 Priority:  normal                           |   Milestone:  4.9.6
Component:  General                          |     Version:
 Severity:  normal                           |  Resolution:
 Keywords:  has-patch has-unit-tests commit  |     Focuses:
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Changes (by SergeyBiryukov):

 * owner:  (none) => SergeyBiryukov
 * status:  new => reviewing


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Ticket URL: <https://core.trac.wordpress.org/ticket/43583#comment:12>
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