why would you write a custom tag that performs the same function as an
already-existing CF function??
just use ARRAYAPPEND() function.
For the record though, you would not need to pass the array because it is in
a session variable (which are visible to custom tags already). If the array
was in a local variable passing #myArray# would pass a pointer to the custom
tag (not the entire array) which could then be manipulated as a local
variable in the custom tag.
Bryan Love ACP
Internet Application Developer
[EMAIL PROTECTED]
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Thursday, June 07, 2001 8:25 AM
To: CF-Talk
Subject: Passing an array to a custom tag
I am trying to write a custom tag that
will, among other things, add an element
to an array whose name can vary from situation
to situation. This array is always stored as a
session variable. I have been trying to pass
the name of the array as a character string
and then manipulate it in the custom tag
with no luck.
Here is how I call the tag:
( session.aDirectoryClicked array is created in Application.cfm
and initialized earlier )
<CFMODULE template="../BumpHitCounter.cfm"
aIDs="aDirectoryClicked"
nNumIDs=#ArrayLen( session.aDirectoryClicked )#
ThisID=#URL.DirectoryID#>
=====
Here is a snippet from BumpHitCounter.cfm that does not work:
<CFLOOP INDEX="n" FROM="1" TO="#Attributes.nNumIDs#">
<CFIF "Caller.#Attributes.aIDs# [n]" EQ Attributes.ThisID>
<CFSET Variables.WasClicked = "Yes">
<CFSET n = Attributes.nNumIDs + 1>
</CFIF>
</CFLOOP>
<CFIF Variables.WasClicked EQ "No">
<CFSET Variables.tmp = ArrayAppend( "Caller.#Attributes.aIDs#",
#Attributes.ThisID# )>
</CFIF>
=====
Here is the error message that is thrown:
Error Diagnostic Information
Parameter 1 of function ArrayAppend which is now
"Caller.aDirectoryClicked" must be an array
The error occurred while evaluating the expression:
Variables.tmp = ArrayAppend( "Caller.#Attributes.aIDs#",
#Attributes.ThisID# )
=====
Any ideas?
Thanks in advance.
Joe Tartaglia
High Caliber Systems
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