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IsImage

 

Description

Determines whether a variable returns a ColdFusion image.

Returns

True, if the value is a ColdFusion image; False, otherwise.

Category

Syntax

IsImage(image)
IsImage(image)
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>
<cfif IsImageFile("images/#form.art#")> <cfset myImage=ImageNew("images/#form.art#")> ... <cfset IsImage("#myImage#")> <cfimage action="writeToBrowser" source="#myImage#"> </cfif>
<cfif IsImageFile("images/#form.art#")> 
<cfset myImage=ImageNew("images/#form.art#")> 
... 
<cfset IsImage("#myImage#")> 
<cfimage action="writeToBrowser" source="#myImage#"> 
</cfif>

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