CGregwar/Captcha
A PHP library for generating and validating CAPTCHA images to protect forms from bots.
What is CGregwar/Captcha?
Gregwar/Captcha is a PHP library for generating and validating CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) images. It helps protect web forms from spam and automated bot submissions by creating customizable, distorted text images that are easy for humans to read but difficult for bots to decipher. The library provides a simple API to create, output, and test CAPTCHA phrases within PHP applications.
PHP developers building web applications that require form protection, such as login pages, registration forms, comment sections, or any user input areas vulnerable to spam and automated attacks.
Developers choose Gregwar/Captcha for its ease of integration, flexibility in customization, and strong anti-OCR features. It offers a lightweight, framework-agnostic solution with official extensions for Symfony and Yii2, making it a versatile choice for securing PHP applications against bots without complex dependencies.
Overview
PHP Captcha library
Use Cases
Best For
- Adding CAPTCHA protection to PHP-based contact forms
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