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Example code of yaknet/yacaptcha

Informations about the package yacaptcha

YakNet yaCaptcha Client SDK (yaknet/yacaptcha)

Official PHP integration SDK for the YakNet yaCaptcha (Altcha-based) Protection Platform (developer-console.yakhub.com.tr). This library provides a simple and secure PHP interface for displaying and verifying captchas without external dependencies like Guzzle (using native PHP cURL).

Requirements

Installation

You can install this package using Composer:

(Note: Ensure your repository is configured to access the private or custom packagist endpoint if this library is self-hosted, or install via local path repository).

Configuration

Copy the .env.example variables to your application's .env file and set your credentials:

Basic Usage

1. Render the yaCaptcha Widget

To display the captcha on your form page, generate the widget HTML and load the required JavaScript module:

Customizing Widget Attributes

You can pass custom challenge URLs and HTML attributes:

2. Verify the Captcha on Submit

When the user submits the form, the widget attaches a parameter named altcha containing the solution payload. Verify this payload in your backend script:

3. Cloud WAF Auto-Protection & Search Engine Bot Bypass

You can protect your entire application by calling autoProtect() at the application entrypoint (e.g. index.php).

Verified Search Engine Bot Detection

The SDK includes built-in two-way DNS (Reverse + Forward DNS) verification:

Testing

Run unit tests via PHPUnit:

Run static code analysis via PHPStan:

License

This project is developed by YakNet Bilişim and licensed under the MIT License.

All versions of yacaptcha with dependencies

PHP Build Version
Package Version
Requires php Version ^8.2
ext-curl Version *
ext-json Version *
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