isImage

Determines whether a variable returns a ColdFusion image.

isImage(value) → returns boolean

Argument Reference

The value that is checked.

If the local file is an image, write it to the browser

<cfset myImage = imageNew("./sample.png")>
<cfif isImage(myImage)>
	<cfimage action="writeToBrowser" source="#myImage#">
</cfif>

Output whether the online file is an image

isImage(imageRead("https://cfdocs.org/apple-touch-icon.png");

Expected Result: true

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