CFimage - generate random captcha text
cfimageCaptchaRandomText.cfm
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>cfimage: how to generate random captcha text in coldfusion</title>
</head>
<body>
<h2 style="color:OrangeRed; font-style:italic">cfimage tag example: how to generate random captcha text</h2>
<hr width="600" align="left" color="OrangeRed" />
<br />
<cfset MyRandomNumber=RandRange(1000,10000)>
<cfset MyRandomText1="CF#MyRandomNumber#">
<cfset MyRandomNumber=RandRange(1000,10000)>
<cfset MyRandomText2="CF#MyRandomNumber#">
<cfset MyRandomNumber=RandRange(1000,10000)>
<cfset MyRandomText3="CF#MyRandomNumber#">
<table border="1" cellpadding="5" cellspacing="0" bordercolor="SeaGreen">
<tr bgcolor="DarkSeaGreen" style="color:Snow; font-size:large" align="center">
<td>
captcha random text
</td>
<td>
captcha random text
</td>
<td>
captcha random text
</td>
</tr>
<tr height="75" valign="top" style="color:RosyBrown; font-weight:bold">
<td >
<cfimage
action="captcha"
difficulty="medium"
text="#MyRandomText1#"
/>
</td>
<td>
<cfimage
action="captcha"
difficulty="medium"
text="#MyRandomText2#"
/>
</td>
<td>
<cfimage
action="captcha"
difficulty="medium"
text="#MyRandomText3#"
/>
</td>
</tr>
</table>
</body>
</html>