[wp-trac] [WordPress Trac] #35509: Add filter `email_exists` in `email_exists` function

[WordPress Trac]

#35509: Add filter `email_exists` in `email_exists` function
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 Reporter:  sebastian.pisula  |       Owner:
     Type:  enhancement       |      Status:  new
 Priority:  normal            |   Milestone:  Awaiting Review
Component:  Users             |     Version:
 Severity:  normal            |  Resolution:
 Keywords:  has-patch         |     Focuses:
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Comment (by markoheijnen):

 I think a filter in `email_exists()` is a wrong solution. It's a function
 to check if the user exists in the WordPress user table. Manipulating that
 can result in weird behaviour. In your example it seems like it's
 something the plugin can solve itself.

 Please elaborate a bit more on why you want it in `email_exists()`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35509#comment:2>
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