Code Duplication    Length = 6-6 lines in 2 locations

includes/class-wc-coupon.php 2 locations

@@ 803-808 (lines=6) @@
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					}
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					break;
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				case 'exclude_product_categories' :
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				case 'excluded_product_categories' :
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					if ( ! is_array( $coupon[ $key ] ) ) {
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						_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '2.7' );
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						$coupon['excluded_product_categories'] = wc_string_to_array( $value );
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					}
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					break;
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				case 'product_ids' :
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					if ( ! is_array( $coupon[ $key ] ) ) {
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						_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '2.7' );
@@ 809-814 (lines=6) @@
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						$coupon['excluded_product_categories'] = wc_string_to_array( $value );
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					}
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					break;
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				case 'product_ids' :
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					if ( ! is_array( $coupon[ $key ] ) ) {
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						_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '2.7' );
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						$coupon[ $key ] = wc_string_to_array( $value );
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					}
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					break;
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				case 'individual_use' :
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				case 'free_shipping' :
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				case 'exclude_sale_items' :