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IsImage
Last update:
May 18, 2026
Description
Determines whether a variable returns a ColdFusion image.
Returns
True, if the value is a ColdFusion image; False, otherwise.
Category
Syntax
IsImage(image)See also
History
ColdFusion (2018 release): Introduced named parameters.
ColdFusion 8: Added this function.
Parameters
Parameter | Description |
image | Required. The ColdFusion variable that is checked. |
Usage
Use this function to determine whether a variable returns a ColdFusion image.
Example
<cfif IsImageFile("images/#form.art#")>
<cfset myImage=ImageNew("images/#form.art#")>
...
<cfset IsImage("#myImage#")>
<cfimage action="writeToBrowser" source="#myImage#">
</cfif>
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