Code Duplication    Length = 3-3 lines in 3 locations

includes/abstracts/abstract-wc-shipping-method.php 3 locations

@@ 320-322 (lines=3) @@
317
318
			switch ( $this->availability ) {
319
				case 'specific' :
320
				case 'including' :
321
					$available = in_array( $package['destination']['country'], array_intersect( $countries, array_keys( WC()->countries->get_shipping_countries() ) ) );
322
				break;
323
				case 'excluding' :
324
					$available = in_array( $package['destination']['country'], array_diff( array_keys( WC()->countries->get_shipping_countries() ), $countries ) );
325
				break;
@@ 323-325 (lines=3) @@
320
				case 'including' :
321
					$available = in_array( $package['destination']['country'], array_intersect( $countries, array_keys( WC()->countries->get_shipping_countries() ) ) );
322
				break;
323
				case 'excluding' :
324
					$available = in_array( $package['destination']['country'], array_diff( array_keys( WC()->countries->get_shipping_countries() ), $countries ) );
325
				break;
326
				default :
327
					$available = in_array( $package['destination']['country'], array_keys( WC()->countries->get_shipping_countries() ) );
328
				break;
@@ 326-328 (lines=3) @@
323
				case 'excluding' :
324
					$available = in_array( $package['destination']['country'], array_diff( array_keys( WC()->countries->get_shipping_countries() ), $countries ) );
325
				break;
326
				default :
327
					$available = in_array( $package['destination']['country'], array_keys( WC()->countries->get_shipping_countries() ) );
328
				break;
329
			}
330
		}
331