[wp-trac] [WordPress Trac] #64136: PHP Deprecated: Fetching multiple feeds with single SimplePie instance is deprecated since SimplePie 1.9.0

[WordPress Trac]

#64136: PHP Deprecated:  Fetching multiple feeds with single SimplePie instance is
deprecated since SimplePie 1.9.0
---------------------------------------------+-----------------------------
 Reporter:  muryam                           |       Owner:  peterwilsoncc
     Type:  defect (bug)                     |      Status:  closed
 Priority:  normal                           |   Milestone:  6.9.1
Component:  General                          |     Version:  6.9
 Severity:  normal                           |  Resolution:  fixed
 Keywords:  has-patch has-unit-tests commit  |     Focuses:  administration
---------------------------------------------+-----------------------------
Changes (by peterwilsoncc):

 * owner:  (none) => peterwilsoncc
 * status:  new => closed
 * resolution:   => fixed


Comment:

 In [changeset:"61551" 61551]:
 {{{
 #!CommitTicketReference repository="" revision="61551"
 Feeds: Fix backward compatibility of `fetch_feed()`.

 In [https://github.com/simplepie/simplepie/pull/795
 simplepie/simplepie#795] handling of multiple feed requests was
 deprecated, triggering the message `Fetching multiple feeds with single
 SimplePie instance is deprecated since SimplePie 1.9.0, create one
 SimplePie instance per feed and use SimplePie::merge_items to get a single
 list of items.`

 This updates `fetch_feed()` to handle multiple requests using seperate
 SimplePie instances in order to retain backward compatibility.

 A PHP 8.5 deprecation was throwing notices in the event an empty URL was
 passed to `fetch_feed()`, `Using null as an array offset is deprecated,
 use an empty string instead`.

 This includes a workaround pending the release of a SimplePie version
 including [https://github.com/simplepie/simplepie/pull/949
 simplepie/simplepie#949].

 Fixes #64136.
 Props audrasjb, jorbin, muryam, oglekler, ozgursar, presskopp, swissspidy,
 westonruter, wildworks, peterwilsoncc.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/64136#comment:28>
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