Mostrar/ocultar métodos de pago en función de las variaciones de un producto en WooCommerce

show-hide-payment

add_filter( 'woocommerce_available_payment_gateways', 'fgr_desactivar_metodos_de_pago' );

function fgr_desactivar_metodos_de_pago( $available_gateways ) {
	if ( ! is_checkout() ) return $available_gateways;
	$unset = false;
	$items = WC()->cart->get_cart();
	foreach ( $items as $item => $values ) {
		$producto  = $values['data'];
		$attribute = $producto->get_attribute('pa_atributo');
		if ( 'Mi atributo' === $attribute ) {
			$unset = true;
		}
	}
	
	if ( $unset ) {
		unset( $available_gateways['bacs'] );
		unset( $available_gateways['cheque'] );
		unset( $available_gateways['redsys'] );
	} else{
		unset( $available_gateways['cod'] );
	}
	return  $available_gateways;
}