How do Translate this small Coldfusion Script into PHP

[mobimad]

Hi,

I have been following a tutorial and just realised that the script to receive the image is written in Cold Fusion, could anyone be able to translate this into PHP, I do not have a clue about CF

<cffunction name="uploadPhoto" access="remote" output="false" returntype="struct">
		<cfargument name="photoId" required="true" type="numeric" />
		<cfargument name="photoCaption" required="false" type="string" default=""/>
		<!--- Receive File --->
		<cfargument name="uploaded" required="true" type="any" />

		<!--- Save file --->
		<cfset Variables.Path="/upload"/>
		<cfset Variables.FolderPath="#Expandpath(Variables.Path)#" />
		<cffile action="upload"
 			filefield="uploaded"
 			destination="#Variables.FolderPath#"
 			nameconflict="makeunique"
 			/>

		<!--- Other code --->
		<cfreturn retStruct>
	</cffunction>

Thanks
Jenna