isImageFile

Verifies whether an image file is valid.

isImageFile(value) → returns boolean

Argument Reference

Pathname to an image file.

If the local file path is for an image, write the image to the browser

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

Output whether the online file is an image

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

Expected Result: true

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