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Source View: subdirectory_reserved_names

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
145           if ( is_array( $_POST['blog'] ) == false )
146                wp_die(  __( 'Can’t create an empty site.' ) );
147           $blog = $_POST['blog'];
148           $domain = '';
149           if ( ! preg_match( '/(--)/', $blog['domain'] ) && preg_match( '|^([a-zA-Z0-9-])+$|', $blog['domain'] ) )
150                $domain = strtolower( $blog['domain'] );
151
152           // If not a subdomain install, make sure the domain isn't a reserved word
153           if ( ! is_subdomain_install() ) {
154                $subdirectory_reserved_names = apply_filters( 'subdirectory_reserved_names', array( 'page', 'comments', 'blog', 'files', 'feed' ) );
155                if ( in_array( $domain, $subdirectory_reserved_names ) )
156                     wp_die( sprintf( __('The following words are reserved for use by WordPress functions and cannot be used as blog names: <code>%s</code>' ), implode( '</code>, <code>', $subdirectory_reserved_names ) ) );
157           }
158
159           $email = sanitize_email( $blog['email'] );
160           $title = $blog['title'];
161
162           if ( empty( $domain ) )
163                wp_die( __( 'Missing or invalid site address.' ) );