ulgm_swap_product_types

Description

Usage

add_filter( 'ulgm_swap_product_types', 'your_function_name', 10, 2 );

Parameters

$types (mixed)

This parameter holds an array of available product types that can be swapped.

$types (mixed)

This parameter contains an array of available WooCommerce product types.

Return Value

The filtered value.

Examples

/**
 * Example of how to filter the product types available for the license swap.
 * This example will only allow Simple and External products to be selected.
 *
 * @param array $types An array of product type slugs.
 * @param array $all_types An array of all available product types.
 * @return array The filtered array of product types.
 */
add_filter(
	'ulgm_swap_product_types',
	function( $types, $all_types ) {
		// Define the product types we want to allow.
		$allowed_types = array( 'simple', 'external' );

		// Filter the $types array to only include allowed types.
		$filtered_types = array_intersect( $types, $allowed_types );

		// If there are no allowed types found, ensure we return an empty array
		// to prevent potential errors when wc_get_products is called later.
		if ( empty( $filtered_types ) ) {
			return array();
		}

		return $filtered_types;
	},
	10, // Priority
	2   // Accepted args count
);

Placement

This code should be placed in the functions.php file of your active theme, a custom plugin, or using a code snippets plugin.

Source Code

src/classes/woocommerce/woocommerce-group-license-swap.php:152

public function backend_display_swap_product_field() {
		global $woocommerce, $post;

		$types = wc_get_product_types();
		// exclude variable products
		if ( isset( $types['variable'] ) ) {
			unset( $types['variable'] );
		}

		$args = array(
			'type'   => apply_filters( 'ulgm_swap_product_types', array_keys( $types ), $types ),
			'status' => array( 'publish' ),
			'limit'  => '-1',
		);

		$current_value = 0;

		// exclude current product
		if ( is_object( $post ) && $post->ID ) {
			$args['exclude'] = array( $post->ID );
			$current_value   = get_post_meta( $post->ID, 'ulgm_swap_license_product', true );
		}

		$raw_products  = wc_get_products( $args );
		$products      = array();
		$products['0'] = __( 'Select a product', 'uncanny-learndash-groups' );

		if ( ! empty( $raw_products ) ) {
			foreach ( $raw_products as $raw_product ) {
				$products[ $raw_product->get_id() ] = $raw_product->get_name() . ' (#' . $raw_product->get_id() . ')';
			}
		}

		echo '<div id="ulgm_swap_license_product_wrapper" style="display: none;">';
		woocommerce_wp_select(
			array(
				'id'          => 'ulgm_swap_license_product',
				'class'       => 'select long select2',
				'label'       => __( 'Swap course product ', 'uncanny-learndash-groups' ),
				'selected'    => true,
				'value'       => $current_value,
				'options'     => apply_filters( 'ulgm_swap_products', $products, $post ),
				'desc_tip'    => true,
				'style'       => 'width: 50%"',
				'description' => __( 'If a quantity of 1 for this product is added to the cart, swap it for the selected product instead', 'uncanny-learndash-groups' ),
			)
		);
		echo '</div>';
	}