[wp-trac] [WordPress Trac] #37181: Use metadata api in *_network_options

[WordPress Trac]

#37181: Use metadata api in *_network_options
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 Reporter:  spacedmonkey                         |       Owner:
     Type:  enhancement                          |      Status:  reopened
 Priority:  normal                               |   Milestone:  Future
Component:  Options, Meta APIs                   |  Release
 Severity:  normal                               |     Version:  4.4
 Keywords:  has-patch needs-unit-tests ms-       |  Resolution:
  roadmap                                        |     Focuses:  multisite
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Comment (by spacedmonkey):

 In [https://core.trac.wordpress.org/attachment/ticket/37181/37181.2.diff
 37181.2.diff] are the following changes

 - wp_load_core_site_options now uses get_current_network_id to bring into
 line with `_network_option` functions.
 - serialize functions returned to `_network_option` functions which was
 stopping tests from passing.
 - `delete_network_option` uses `delete_metadata` and passes 4 param as an
 empty string, as per meta api.
 - meta.php and formatting.php moved to earlier in bootstrap process
 because network options loaded ealier in bootstrap.
 - Test added to prove that first value in meta store is honored.
 - New update_network_meta_cache param added to wp_network_query. Network
 options are primed in cache, like other query classes.
 - Removed test_site_notoptions test, as no longer valid.
 - Documentation. Poke @DrewAPicture for feedback.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37181#comment:24>
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