[wp-trac] [WordPress Trac] #32544: No function exposes all supported MIME types

[WordPress Trac]

#32544: No function exposes all supported MIME types
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 Reporter:  dan.rossiter                |       Owner:
     Type:  enhancement                 |      Status:  new
 Priority:  low                         |   Milestone:  Awaiting Review
Component:  Media                       |     Version:  4.2.2
 Severity:  normal                      |  Resolution:
 Keywords:  needs-patch good-first-bug  |     Focuses:
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Comment (by dan.rossiter):

 Replying to [comment:3 ipm-frommen]:
 > To me, it is not clear what the desired functionality exactly is.
 >
 > Since the `upload_mimes` filter passes the current user ID, there is no
 way to include all MIME types, for every possible user.
 I agree. This functionality cannot be achieved without a structural change
 to the way that additional MIME types are added.
 >
 > For example, a plugin could use the above filter as well as the user ID
 like so:
 >
 > {{{
 > add_filter( 'upload_mimes', 'user_mimes', 10, 2 );
 >
 > function user_mimes( $mimes, $user_id ) {
 >
 >     $user = get_userdata( $user_id );
 >     if ( $user && $user->user_firstname === 'Abe' ) {
 >         $mimes[ 'foo' ] = 'text/foo';
 >     }
 >
 >     return $mimes;
 > }
 > }}}
 >
 > If I understand your last sentence correctly, you would like to have
 `'foo'` included in the result of your desired `wp_get_all_mime_types`
 function. Is this correct? If so, this is not possible.
 It is absolutely possible. As stated above, it would require a structural
 change.
 >
 > Also, your example code is wrong (there is an endless loop).
 Not sure where you're seeing a looping construct...

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Ticket URL: <https://core.trac.wordpress.org/ticket/32544#comment:4>
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