get_results( "SELECT * FROM {$wpdb->prefix}jet_reviews LIMIT 10", ARRAY_A ); // Check if there are any results if ( ! empty( $results ) ) { // Return the results as JSON return wp_json_encode( $results ); } else { // If no results are found, return an empty array as JSON return wp_json_encode( array() ); } } // Example: Use the function and print the result echo get_jet_reviews();