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Source View: pre_delete_site_option_{$option}

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Line Code
851  *
852  * @param string $option Name of option to remove. Expected to not be SQL-escaped.
853  * @return bool True, if succeed. False, if failure.
854  */
855 function delete_site_option( $option ) {
856      global $wpdb;
857
858      // ms_protect_special_option( $option ); @todo
859
860      do_action( 'pre_delete_site_option_' . $option );
861
862      if ( !is_multisite() ) {
863           $result = delete_option( $option );
864      } else {
865           $row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) );
866           if ( is_null( $row ) || !$row->meta_id )
867                return false;
868           $cache_key = "{$wpdb->siteid}:$option";
869           wp_cache_delete( $cache_key, 'site-options' );