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Source View: pre_delete_site_option_{$option}

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Line Code
3605  *
3606  * @param string $option Name of option to remove. Expected to not be SQL-escaped.
3607  * @return bool True, if succeed. False, if failure.
3608  */
3609 function delete_site_option( $option ) {
3610      global $wpdb;
3611
3612      // ms_protect_special_option( $option ); @todo
3613
3614      do_action( 'pre_delete_site_option_' . $option );
3615
3616      if ( !is_multisite() ) {
3617           $result = delete_option( $option );
3618      } else {
3619           $row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) );
3620           if ( is_null( $row ) || !$row->meta_id )
3621                return false;
3622           $cache_key = "{$wpdb->siteid}:$option";
3623           wp_cache_delete( $cache_key, 'site-options' );