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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 |
|---|---|
| 39 | unset( $tables['sitecategories'] ); |
| 40 | |
| 41 | /** |
| 42 | * Filter additional database tables to repair. |
| 43 | * |
| 44 | * @since 3.0.0 |
| 45 | * |
| 46 | * @param array $tables Array of prefixed table names to be repaired. |
| 47 | */ |
| 48 | $tables = array_merge( $tables, (array) apply_filters( 'tables_to_repair', array() ) ); |
| 49 | |
| 50 | // Loop over the tables, checking and repairing as needed. |
| 51 | foreach ( $tables as $table ) { |
| 52 | $check = $wpdb->get_row( "CHECK TABLE $table" ); |
| 53 | |
| 54 | echo '<p>'; |
| 55 | if ( 'OK' == $check->Msg_text ) { |
| 56 | /* translators: %s: table name */ |
| 57 | printf( __( 'The %s table is okay.' ), "<code>$table</code>" ); |