[wp-trac] [WordPress Trac] #43619: Introduce new PHP cross-version compat function `is_iterable()`

[WordPress Trac]

#43619: Introduce new PHP cross-version compat function `is_iterable()`
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 Reporter:  jrf                       |       Owner:  (none)
     Type:  enhancement               |      Status:  new
 Priority:  normal                    |   Milestone:  4.9.6
Component:  General                   |     Version:  trunk
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:
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Comment (by desrosj):

 Thanks for pointing that out, @jrf. I updated the patch and added a test
 for an empty array in [attachment:43619.3.diff].

 Did you have a plan in mind for updating Core to use this new function?
 There are several tickets referenced above, but wondering if making a
 singular ticket (or handling that on this ticket) is better. Same for
 #43583.

 Since these produce warnings, I think these should be fixed in 4.9.6, if
 possible.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43619#comment:9>
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