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oneend/captcha
==============

A PHP Captcha Ext

v0.0.3(1y ago)17MITPHP

Since Sep 21Pushed 1y ago1 watchersCompare

[ Source](https://github.com/oneend/php-captcha)[ Packagist](https://packagist.org/packages/oneend/captcha)[ RSS](/packages/oneend-captcha/feed)WikiDiscussions main Synced 1mo ago

READMEChangelogDependencies (1)Versions (4)Used By (0)

oneend/php-captcha
==================

[](#oneendphp-captcha)

[![Latest Stable Version](https://camo.githubusercontent.com/2447e3db0ebaf61807af0a77748e7b5d7c8f2bcf6fb404af7231914ea10de07f/68747470733a2f2f706f7365722e707567782e6f72672f6f6e65656e642f7068702d636170746368612f762f737461626c65)](https://packagist.org/packages/oneend/php-captcha)[![Total Downloads](https://camo.githubusercontent.com/2da53cde543068db993ee21c86cf00a781937fc7b722a335aaf45cfbde6f61f4/68747470733a2f2f706f7365722e707567782e6f72672f6f6e65656e642f7068702d636170746368612f646f776e6c6f616473)](https://packagist.org/packages/oneend/php-captcha)[![License](https://camo.githubusercontent.com/45e21b4e328baf58f870265de22fa80c17e3fc2f48fabe909cf358ede0fdd81e/68747470733a2f2f706f7365722e707567782e6f72672f6f6e65656e642f7068702d636170746368612f6c6963656e7365)](https://packagist.org/packages/oneend/php-captcha)

`oneend/php-captcha` 是一个简单的 PHP 验证码生成工具，支持字符串和数学运算(+-)验证码的生成，可以直接保存为图片文件，或以 Base64 格式输出。

功能特性
----

[](#功能特性)

- 生成字符串和数学运算的验证码
- 支持使用 Session 或自定义的存取函数来保存和验证验证码
- 验证码可保存为 PNG 图片，或以 Base64 格式输出
- 支持验证码验证功能
- 通过 PHP 的 `GD` 库生成图像

安装
--

[](#安装)

通过 [Composer](https://getcomposer.org/) 安装此包：

```
composer require oneend/php-captcha
```

使用示例
----

[](#使用示例)

### 生成验证码并保存为图片

[](#生成验证码并保存为图片)

```