# Developers

You can integrate Snaptcha validation into your code and add-ons easily. Use the template tag above or the following code to create a Snaptcha field:

```php
require_once PATH_THIRD.'snaptcha/ext.snaptcha'.EXT;
$Snaptcha = new Snaptcha_ext();
$field = $Snaptcha->snaptcha_field();
```

You can optionally set the security level to be used:

```php
$security_level = 1;   // 1=low, 2=medium, 3=high
$field = $Snaptcha->snaptcha_field($security_level);
```

Then use the following code to validate a form submission:

```php
require_once PATH_THIRD.'snaptcha/ext.snaptcha'.EXT;
$Snaptcha = new Snaptcha_ext();
$validated = $Snaptcha->snaptcha_validate();   // returns a boolean (true or false)
```

If you explicitly set the security level in the Snaptcha field then you should set it to the same value in the validate function:

```php
$security_level = 1;	// 1=low, 2=medium, 3=high
$validated = $Snaptcha->snaptcha_validate($security_level);
```


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