[wp-trac] [WordPress Trac] #35698: Distinguish between regular (site) options and network options in `sanitize_option()`

[WordPress Trac]

#35698: Distinguish between regular (site) options and network options in
`sanitize_option()`
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 Reporter:  flixos90     |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Formatting   |    Version:
 Severity:  normal       |   Keywords:
  Focuses:  multisite    |
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 Currently the filter in `sanitize_option()` runs for both "regular" site
 options and network options as well. I think the kind of option being
 sanitized should be distinguished since an option with the same slug might
 have a completely different meaning in the context of a site vs a network.

 I'm proposing to add a new filter `sanitize_network_option_{$option}`
 which only runs when the option being sanitized is a network option. A new
 (internal) parameter could be added to the function itself to tell the
 function what kind of option is sanitized.

 Besides fixing possible problems with site and network options of the same
 name, this might also open up for an implementation of #15691 (as in
 `register_network_setting()` or something similar).

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Ticket URL: <https://core.trac.wordpress.org/ticket/35698>
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