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setToArray
Last update:
May 18, 2026
Converts a Set to a ColdFusion array.
Description
Converts a set to a ColdFusion array. Unordered sets have no order; ordered sets follow insertion order.
Returns
Array.
Category
ColdFusion Set member methods
Function syntax
set.toArray()
setToArray(set)Parameters
| Parameter | Description |
|---|---|
| set | Set to convert (BIF form). |
See also
Example
The following example uses this API in
cfscript (syntax: set.toArray()).
<cfscript>
s = setNew("ordered");
s.add("z");
s.add("a");
arr = s.toArray();
// ordered: z then a
writeOutput(arrayLen(arr)); // 2
</cfscript>
Real-world example
Serialize unique tags as JSON for a REST response.
<cfscript>
function uniqueTagsArray(required any tagSet) {
return tagSet.toArray();
}
tags = setNew();
tags.add("cfml");
tags.add("api");
out=serializeJSON({ "tags": uniqueTagsArray(tags) });
writeOutput(out)
</cfscript>
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