WP Panda

foreach ( $general_att_array['options'] as $general_att_value ) {
                  $products .= "\n\t\t\t<param name=\"". $tax_att->labels->singular_name ."\">";
                  $att_term = get_term($general_att_value);
                  $products .="\n\t\t\t" . $att_term->name . "</param>";
                }

$attr = [];
	foreach ( $general_att_array[ 'options' ] as $general_att_value ) {
		$att_term = get_term( $general_att_value );
		$attr[]   = $att_term->name;
	}
	$products .= "\n\t\t\t" . sprintf('<param name="%s">%s</param>',$tax_att->labels->singular_name,implode( ',', $attr ));

wp_enqueue_style( 'promo20', plugins_url( 'assets/css/style.css', __FILE__ ) );