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As a quick follow up to my post yesterday on using ColdFusion 8's new array iteration via CFLoop, I thought I would check to see if array iteration worked on another "pseudo array", the function ARGUMENTS scope. The ARGUMENTS scope is a very interesting object that has both struct and array properties, meaning, it can be accessed both by key and by index value. As this object only has array-like behavior and is not a true array, it is not clear as to how much array manipulation will be possible. To test this, all I did was set up a function that takes its ARGUMENTS scope and loops over it, CFDumping out each value:
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In the CFDump tag, I am including the brackets for visible value deliniation; this means that only string values can be passed to the function, but this should work the same, functionally, with any type of value. Now, we just run the code:
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It works perfectly, giving us the CFDump output:
[Itty] [Bitty] [Kitty] [Club]
Cool; ColdFusion 8's new array iteration works fine with the array-like behavior of the ARGUMENTS scope.
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Using XmlSearch() In CFLoop Array (Thanks Scott Bennett!)
ColdFusion 8 CFloop Array Iteration / XML Bug?
I'd like to see you turn your prodigious investigative powers to what does and does not work with the cfscript loop:
for (i in someVar) { ... }
I know it works for structs (I use it a lot), but what else works with it.
Posted by Sean Corfield on Dec 27, 2007 at 11:57 AM
@Sean,
Not a bad idea. I rarely play around with CFScript, so it would be good to do some snooping. I know that you can finally use things like >= and <. Let me see what I can find out.
Posted by Ben Nadel on Dec 27, 2007 at 1:09 PM