apply_filters( ‘subdirectory_reserved_names’, string[] $subdirectory_reserved_names )

Filters reserved site names on a sub-directory Multisite installation.

Parameters

return apply_filters( 'subdirectory_reserved_names', $names );

Used by	Description
get_subdirectory_reserved_names()`wp-includes/ms-functions.php`	Retrieves a list of reserved site on a sub-directory Multisite installation.

Version	Description
4.4.0	`'wp-admin'`, `'wp-content'`, `'wp-includes'`, `'wp-json'`, and `'embed'` were added to the reserved names list.
3.0.0	Introduced.

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