Code Duplication    Length = 4-4 lines in 2 locations

includes/wpinv-invoice-functions.php 2 locations

@@ 1603-1606 (lines=4) @@
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    $invoice_id    = wpinv_get_invoice_id_by_key( $invoice_key );
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    $user_can_view = wpinv_can_view_receipt( $invoice_key );
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    if ( $user_can_view && isset( $_GET['invoice-id'] ) ) {
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        $invoice_id     = (int)$_GET['invoice-id'];
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        $user_can_view  = $invoice_key == wpinv_get_payment_key( (int)$_GET['invoice-id'] ) ? true : false;
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    }
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    // Key was provided, but user is logged out. Offer them the ability to login and view the receipt
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    if ( ! $user_can_view && ! empty( $invoice_key ) && ! is_user_logged_in() ) {
@@ 1688-1691 (lines=4) @@
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        $invoice_id    = wpinv_get_invoice_id_by_key( $invoice_key );
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        $user_can_view = wpinv_can_view_receipt( $invoice_key );
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        if ( $user_can_view && isset( $_GET['invoice-id'] ) ) {
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            $invoice_id     = (int)$_GET['invoice-id'];
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            $user_can_view  = $invoice_key == wpinv_get_payment_key( (int)$_GET['invoice-id'] ) ? true : false;
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        }
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        if ( $invoice_id && $user_can_view && ( $invoice = wpinv_get_invoice( $invoice_id ) ) ) {
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            if ( $invoice->needs_payment() ) {