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Fixing parse_qsl query string output #153
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IPN Verification of payload requires that all keys and values are provided back to the VERIFY_URL. If any blank values are omitted, this will cause an otherwise valid payload to return 'INVALID' from the PayPal endpoint. Adding the 'keep_blank_values' argument will ensure that these elements will be added to the query string provided to PayPal to validate.
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IPN Verification of payload requires that all keys and values are provided back to the VERIFY_URL. If any blank values are omitted, this will cause an otherwise valid payload to return 'INVALID' from the PayPal endpoint. Adding the 'keep_blank_values' argument will ensure that these elements will be added to the query string provided to PayPal to validate.