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Join Page CAPTCHA

You only need to set up CAPTCHA on your join template(s), not your gateway template(s), unless you are using the gateway one-step feature.

This is the case regardless of the CAPTCHA style you choose.

Styles

Currently, NATS supports 2 CAPTCHA styles in your join templates.

You can change the style by navigating to the Configuration Admin, selecting the Surfer Tab, then setting the Member Signup Captcha Style under the Signup Form section.

The current default is 'Image with Letters' for retroactive support. If you are setting CAPTCHA on your join templates for the first time, we recommend using the 'Google reCAPTCHA V2' option.

Image with Letters

To set up the classic CAPTCHA on your join forms, please add the following code to your join template(s) (if not present already) within the main form (between the <form>...</form> tags).

Basic

{if ((!empty($vars.captcha_required) || !empty($errors.captcha)) && ($config.MEMBER_SIGNUP_CAPTCHA_STYLE == 1))}
	<tr>
		<td colspan="2" style="border:none; text-align: center">
			<img src="/captcha_image.php?width=300&height=90" width="300" height="90" /><br />
			<strong>Please fill in the text from the image</strong><br />
			<input class="join_input" type="text" name="signup[captcha:1]" />
			{if !empty($errors.captcha)}
				<br />
				<span>{$errors.captcha}</span>
			{/if}
		</td>
	</tr>
{/if}

Stylish

You can customize the CAPTCHA size by adjusting the width and height attributes of the <img> tag.

Please note: You will need to change the values in the src attribute (the url width and height variables) as well as the width and height attributes of the <img> tag.

By default, NATS will store the CAPTCHA value in the ses_captcha session variable. You can change the name of the session variable by adding the following form field to your join template.

Given this example, NATS will use the ses_captcha_some_text session variable to store the CAPTCHA value.

Google reCAPTCHA v2

To set up the Google reCAPTCHA V2 on your join forms, please first obtain a site key and a secret key from Google.

Once you have these values, navigate to the Configuration Admin, select the Surfer Tab, then enter these 2 values into the 'Member Signup Google Recaptcha Key' and the 'Member Signup Google Recaptcha Secret' fields, respectively.

Please add the following code to your join template(s) (if not present already) between the <head>...</head> tags

Please add the following code to your join template(s) (if not present already) within the main form (between the <form>...</form> tags).

NATS Special Options

To use Google reCAPTCHA v2 with any special options, you will need to add additional jQuery code to your $(document).ready() function.

This example is designed so only one recaptcha field is required on your template, and have the recaptcha work for both normal join option form & special option form.

This will also require updating your template's forms to include an id:

Normal form section from (if not already set):

To:

Special option form section (if not already set):

To:

PreviousFurther ReadingNextJoin Template Variables

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