WordPress at a glance
function is not described

WC_Legacy_Coupon::__get() public WC 1.0

Magic __get method for backwards compatibility. Maps legacy vars to new getters.

{} It's a method of the class: WC_Legacy_Coupon{}

No Hooks.

Return

Mixed.

Usage

$WC_Legacy_Coupon = new WC_Legacy_Coupon();
$WC_Legacy_Coupon->__get( $key );
$key(string) (required)
-

Code of WC_Legacy_Coupon::__get() WC 5.0.0

<?php
public function __get( $key ) {
	wc_doing_it_wrong( $key, 'Coupon properties should not be accessed directly.', '3.0' );

	switch ( $key ) {
		case 'id' :
			$value = $this->get_id();
		break;
		case 'exists' :
			$value = $this->get_id() > 0;
		break;
		case 'coupon_custom_fields' :
			$legacy_custom_fields = array();
			$custom_fields = $this->get_id() ? $this->get_meta_data() : array();
			if ( ! empty( $custom_fields ) ) {
				foreach ( $custom_fields as  $cf_value ) {
					// legacy only supports 1 key
					$legacy_custom_fields[ $cf_value->key ][0] = $cf_value->value;
				}
			}
			$value = $legacy_custom_fields;
		break;
		case 'type' :
		case 'discount_type' :
			$value = $this->get_discount_type();
		break;
		case 'amount' :
		case 'coupon_amount' :
			$value = $this->get_amount();
		break;
		case 'code' :
			$value = $this->get_code();
		break;
		case 'individual_use' :
			$value = ( true === $this->get_individual_use() ) ? 'yes' : 'no';
		break;
		case 'product_ids' :
			$value = $this->get_product_ids();
		break;
		case 'exclude_product_ids' :
			$value = $this->get_excluded_product_ids();
		break;
		case 'usage_limit' :
			$value = $this->get_usage_limit();
		break;
		case 'usage_limit_per_user' :
			$value = $this->get_usage_limit_per_user();
		break;
		case 'limit_usage_to_x_items' :
			$value = $this->get_limit_usage_to_x_items();
		break;
		case 'usage_count' :
			$value = $this->get_usage_count();
		break;
		case 'expiry_date' :
			$value = ( $this->get_date_expires() ? $this->get_date_expires()->date( 'Y-m-d' ) : '' );
		break;
		case 'product_categories' :
			$value = $this->get_product_categories();
		break;
		case 'exclude_product_categories' :
			$value = $this->get_excluded_product_categories();
		break;
		case 'minimum_amount' :
			$value = $this->get_minimum_amount();
		break;
		case 'maximum_amount' :
			$value = $this->get_maximum_amount();
		break;
		case 'customer_email' :
			$value = $this->get_email_restrictions();
		break;
		default :
			$value = '';
		break;
	}

	return $value;
}