[wp-trac] [WordPress Trac] #40279: switch_to_blog() and restore_current_blog() gives a fatal error in a multisite

[WordPress Trac]

#40279: switch_to_blog() and restore_current_blog() gives a fatal error in a
multisite
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 Reporter:  KestutisIT          |       Owner:
     Type:  defect (bug)        |      Status:  reopened
 Priority:  normal              |   Milestone:
Component:  Networks and Sites  |     Version:
 Severity:  normal              |  Resolution:
 Keywords:                      |     Focuses:  multisite
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Changes (by KestutisIT):

 * status:  closed => reopened
 * resolution:  invalid =>


Comment:

 Replying to [comment:3 jeremyfelt]:
 > Replying to [comment:2 KestutisIT]:
 >
 > > you SHOULD NOT have to write different code if multisite is enabled
 >
 > For better or worse, this is the required pattern when developing
 something that works in single and multisite configurations. The same
 `is_multisite()` check included in the original ticket description is
 exactly what WordPress core does throughout its code base.

 Please read the BASICS of PHP and coding. Please read why they decided to
 create PHP7, what is predefined types, and where PHP is going. You are
 wrong, you can't do all your code on IF/ELSE. There is a thing called
 design patterns, and we have to follow them. It says that if you have
 PUBLIC method (same is everywhere available WordPress function) is has to
 be callable, just can be empty by the abstract class inheritance if it is
 not defined. That is a BASICS of the code. I'm reopening this for
 WordPress Lead developer to review. Please don't close it.



 "Object interfaces allow you to create code which specifies which methods
 a class must implement, without having to define how these methods are
 handled.

 Interfaces are defined in the same way as a class, but with the interface
 keyword replacing the class keyword and without any of the methods having
 their contents defined.

 All methods declared in an interface must be public; this is the nature of
 an interface."


 http://php.net/manual/en/language.oop5.interfaces.php

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Ticket URL: <https://core.trac.wordpress.org/ticket/40279#comment:4>
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