isImageFile

Verifies whether an image file is valid.

isImageFile(value) → returns boolean

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  3. ColdFusion 8 New Functions and Tags
  4. isImageFile
  5. CF8+
  6. Lucee
  7. BL 1.0.0+
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See Also:   isPDFFile

Argument Reference

value string
Required

Pathname to an image file.

Compatibility

BoxLang:

Version 1.0.0+ Requires the bx-image module.

Examples
Sample code invoking the isImageFile function

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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