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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )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.
| Line | Code |
|---|---|
| 920 | if ( $added_indices ) { |
| 921 | drop_index( $wpdb->comments, 'comment_type' ); |
| 922 | drop_index( $wpdb->comments, 'comment_karma' ); |
| 923 | drop_index( $wpdb->comments, 'comment_agent' ); |
| 924 | $wpdb->query( "OPTIMIZE TABLE {$wpdb->comments}" ); |
| 925 | } |
| 926 | |
| 927 | // Clean up database and we're out |
| 928 | $this->cleanup(); |
| 929 | do_action( 'import_done', 'livejournal' ); |
| 930 | if ( $imported_comments > 1 ) |
| 931 | echo '<p>' . sprintf( __( "Successfully re-threaded %s comments." ), number_format( $imported_comments ) ) . '</p>'; |
| 932 | echo '<h3>'; |
| 933 | printf( __( 'All done. <a href="%s">Have fun!</a>' ), get_option( 'home' ) ); |
| 934 | echo '</h3>'; |
| 935 | echo '</div>'; |
| 936 | } |
| 937 | |
| 938 | // Output an error message with a button to try again. |