Create CAPTCHA or Random Word In Coldfusion.

This is simple program to generate random word or CAPTCHA code in coldfusion.

	<cfoutput>
	<cfset randNums1 = RandRange(2,9)>
	<cfset randNums2 = RandRange(2,9)>
	<cfset randNums3 = RandRange(2,9)>
	<cfset randNums4 = RandRange(2,9)>
	<cfset randNums5 = RandRange(2,9)>
	<cfset alphas = "A,B,C,D,E,F,G,H,I,J,K,L,M,N,P,Q,R,S,T,U,V,W,X,Y,Z">
	<cfset randChar1 = RandRange(1,25)>
	<cfset randChar2 = RandRange(1,25)>
	<cfset randChar3 = RandRange(1,25)>
	<cfset randChar4 = RandRange(1,25)>
	<cfset randAlpha1 = ListGetAt(alphas,randChar1,',')>
	<cfset randAlpha2 = ListGetAt(alphas,randChar2,',')>
	<cfset RandomChars = "#randAlpha1##randNums1##randAlpha2##randNums2##randNums3##randChar3##randChar4##randNums5#">
	<form action="#CGI.script_name#" method="post">
	<!---
	This is the hidden field that will flag form
	submission for data validation.
	--->
	<input type="hidden" name="submitted" value="1" />
	<!---
	This is the hidden field that we will check the
	user's CAPTCHA text against. This is an encrypted
	field so that spiders
	--->
	<input type="hidden" name="captcha_check" value="#RandomChars#" >
	<p>
	<cfimage action="captcha" height="75" width="363" text="#RandomChars#" difficulty="medium"
	fonts="verdana,arial,times new roman,courier" fontsize="28" />
	</p>
	<label for="captcha">
	Please enter text in image:
	</label>
	<input type="text" name="captcha" id="captcha" value="" />
	<input type="submit" value="Submit" />
	</form>
	</cfoutput>

view raw captcha.cfm hosted with ❤ by GitHub

OutPut : -