[wp-trac] [WordPress Trac] #27003: Introduce wp_get_network() and begin cleanup of multisite load

[WordPress Trac]

#27003: Introduce wp_get_network() and begin cleanup of multisite load
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 Reporter:  jeremyfelt                            |       Owner:
     Type:  enhancement                           |      Status:  new
 Priority:  normal                                |   Milestone:  3.9
Component:  Bootstrap/Load                        |     Version:  trunk
 Severity:  normal                                |  Resolution:
 Keywords:  has-patch needs-testing dev-feedback  |     Focuses:  multisite
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Comment (by TobiasBg):

 [attachment:27003-docs-fix.patch] corrects inline docs param types and
 name.

 Then, in [https://core.trac.wordpress.org/browser/trunk/src/wp-includes
 /ms-load.php?rev=27178#L252 this line], we allow `$networks` to be an
 empty array (happens, in theory, if there are no rows in `$wpdb->site`),
 but in [https://core.trac.wordpress.org/browser/trunk/src/wp-includes/ms-
 load.php?rev=27178#L253 the next line] we access `$networks[0]`. I'm not
 sure how likely that is to happen in practice, but we should probably
 avoid it to not trigger a notice.

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Ticket URL: <https://core.trac.wordpress.org/ticket/27003#comment:13>
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