Search results for: "CAPTCHA"

What are common pitfalls when implementing a Captcha in a PHP-based forum?

Common pitfalls when implementing a Captcha in a PHP-based forum include not properly validating the Captcha input, using weak or easily bypassed Capt...

How can the use of session_unset() in the Captcha generator script impact the storage and retrieval of Captcha codes in the $_SESSION variable?

Using session_unset() in the Captcha generator script will remove all values stored in the $_SESSION variable, including the Captcha codes. This will...

What are common reasons for the "Captcha not displayed" issue in PHP scripts?

The "Captcha not displayed" issue in PHP scripts can occur due to incorrect path or URL for the Captcha image, missing or incorrect Captcha library fi...

How can PHP developers troubleshoot issues with Captcha integration in their forms?

To troubleshoot issues with Captcha integration in PHP forms, developers can first check if the Captcha library is properly installed and configured....

Wie kann man effektiv Captcha-Performance in PHP verbessern?

To improve Captcha performance in PHP, one can implement caching mechanisms to store generated Captcha images and their corresponding codes. This way,...