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How to add captcha into your Joomla!(R) forms

If you are a member of Facebook, TicketMaster, Stumbleupon or Twitter, you are probably familiar with these application's antispam mechanism, using reCaptcha. reCaptcha, unlike other anti-spam captcha mechanisms, which offers jumbled up text and/or numbers, or a math question, presents the user with 2 unrelated words whose appearance resemble scanned text out of a book.

The reCaptcha image looks something like this. Millions of subscribers have utilized the reCaptcha service to help them protect their websites from robotic spammers. When it comes to Joomla!(R), you might want to consider using reCaptcha as well in your website if you support any forms interface in your pages. reCaptcha is a subscription service. Therefore, you will need to sign up at recaptcha.net and obtain a FREE account. You can apply for a public and private key for every single website you wish to embed reCaptcha.

There are several Joomla!(R) extensions currently supporting reCaptcha in their applications, including ALF Contact, Alpha Recommend, among others. There is even a Joomla!(R) plugin for reCaptcha, called JEZ reCaptcha Integrator. This plugin is a G-d sent! reCaptcha.net provides plugin supports for various programming platforms, including PHP, Java, Perl, etc. Joomla, being a PHP-driven platform, is compatible with recaptcha's PHP library. However, with the special Joomla!(R) plugin from JEZ, one only has to type in one line of code in order to integrate reCaptcha into their application. How easy could that be?

We at JoomlaIsrael.net have taken the liberty of integrating reCaptcha using JEZ's plugin in the following spam-friendly standard forms from Joomla!(R) 1.5:

Login
Contact
Forget Password
Forget Username
Register

For each of the above form, we will show you where you can enter this one-line plugin code to integrate reCaptcha into it. You will first need to download, install and enable the JEZ recaptcha Integrator plugin into your website (free download below). The information is presented in the tabs below. Feel free to click on each tab and enjoy viewing.

Contact
Register
Forget Username
Forget Password
Login

Contact

Standard Joomla Contact Form with recaptcha

In this image, the recaptcha form is at the bottom before the SEND button.

Contact PHP code with recaptcha The one line captcha code is within lines 66-68 in the above image.

Register

Register Form

The recaptcha form is at the bottom before the REGISTER button.

In the above image, the one line captcha code is within lines 80-82.

Forget Username

Forget Username Form

Forget Username Form with recaptcha

In this image, you will see the recaptcha form before the Submit button.

Forget Username PHP with recaptcha plugin

The one line captcha code is within lines 25-27 in the above image.

Forget Password

Forget Password Form

Forget Password with reCaptcha

In this standard Joomla 1.5 "Forget Password" form, you will see the recaptcha form at the bottom before the SUBMIT button.

Reset Password PHP recaptcha plugin

The one line captcha code can be seen within lines 25-27 of the above image.

Login

Login Form

Joomla Standard Login Form with recaptcha

In this standard Joomla 1.5 Login form, you will see the recaptcha form at the bottom before the SEND button.

insert recaptcha plugin code into the standard login php file

In this image, you will see a one line captcha code embedded within lines 49-51. This is so easy!

As you can see, it is amazingly simple to integrate reCaptcha into your standard Joomla!(R) forms. If you like this tutorial, give us a thumbs up when you add your comments below. Thanks!

Attachments:
File	Description	File size	Last Modified
plg_jezReCaptcha-v1.0.0.zip	reCaptcha plugin	31 Kb	20/05/10 10:33

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