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Is there a method that exists that will let me switch the theme?

Update:
It looks like switch_theme is the method and there is also an event of the same name. It says that it accepts an argument of stylesheet and for backwards compatibility it accepts, $themename and $stylesheet. I guess I don't understand, why is someone changing the stylesheet and no longer changing the theme?

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    switch_theme? – Milo Nov 6 '15 at 22:00
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    Assuming you mean programmatically? – jdm2112 Nov 6 '15 at 22:06
  • @jdm2112 yes. i believe that switch_theme is an event that happens when someone switches a different theme. Oh, that's different. I was looking at the action of the same name, codex.wordpress.org/Plugin_API/Action_Reference/switch_theme. Milo I believe that's what I'm looking for. but why is it passed the stylesheet and not the theme name? – 1.21 gigawatts Nov 7 '15 at 0:24
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    Although you have already accepted an answer, I have a question. Do you want to permanently switch to another theme for everyone or to switch to another theme on the fly but not permanently and only for current user? – cybmeta Nov 7 '15 at 8:27
  • I have a network site and I want the current user to be able to switch the theme permanently. – 1.21 gigawatts Nov 7 '15 at 8:38
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switch_theme() is the function you need but this...

why is someone changing the stylesheet and no longer changing the theme?

... indicates a misunderstanding. You provide the $stylesheet as an argument but you are switching the theme as a whole not just the stylesheet. And, for reasons unknown, $stylesheet isn't the stylesheet. It is:

$stylesheet is the name of your folder slug. It's the same value that you'd use for a child theme, something like twentythirteen.

https://codex.wordpress.org/Function_Reference/switch_theme

  • So it sounds like the parameter name is a bit misleading? I'm sure there's probably some history to it or reason. – 1.21 gigawatts Nov 7 '15 at 1:01
  • I don't know what the reasons is, but yes, it is quite misleading. – s_ha_dum Nov 7 '15 at 1:02
  • I'm curious, which action is the more appropiate to run switch_theme(). I think on init but maybe setup_theme? – cybmeta Nov 7 '15 at 8:35
  • @cybmeta sorry. I didn't see this comment. I'm not sure. I'm going to try to run it when a new blog is created. I'll try and find the event. – 1.21 gigawatts Nov 13 '15 at 14:19
  • I'm making a call at the add_action( 'wpmu_new_blog', 'wpse_set_defaults' );. If it's not obvious, I'm running a network site. You will want to find a different action if you are not running the same. Right now, I'm adding an event listener in a plugin page for some reason. I think it should probably be in theme/functions... – 1.21 gigawatts Nov 13 '15 at 14:50

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