Below is part of the code I use for IPNs.
What I don't understand is that if I drop the "add payment date" part, the
IPN fails (INVALID). Why? Wouldn't form.payment_date be included in the
Form.FieldNames loop? What's the deal?
<!--- build response --->
<CFSET response = "cmd=_notify-validate">
<CFLOOP LIST="#Form.Fieldnames#" INDEX="f">
<!--- build validation response --->
<CFSET response = response & "&#LCASE(f)#=#URLEncodedFormat(Evaluate(f))#">
<!--- make local variables --->
<CFSET "#f#" = Evaluate(f)>
</CFLOOP>
<!--- add payment date --->
<CFIF IsDefined('FORM.payment_date')>
<CFSET response = response & "&payment_date=#URLEncodedFormat(Form.payment_date)#">
</CFIF>
<!--- send response back to PayPal --->
<CFHTTP URL="#paypal_verifyurl##response#" METHOD="GET" RESOLVEURL="false"></CFHTTP>
Tony Schreiber, Senior Partner Man and Machine, Limited
mailto:[EMAIL PROTECTED] http://www.technocraft.com
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