get_results( "SELECT * FROM $wpdb->postmeta WHERE meta_key LIKE '_alg_currency_switcher_per_product_%'" ); foreach( $plugin_meta as $meta ) { delete_post_meta( $meta->post_id, $meta->meta_key ); } $plugin_options = $wpdb->get_results( "SELECT option_name FROM $wpdb->options WHERE option_name LIKE 'alg_wc_currency_switcher_%' OR option_name LIKE 'alg_currency_switcher_%'" ); foreach( $plugin_options as $option ) { delete_option( $option->option_name ); delete_site_option( $option->option_name ); }