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源代码: captcha.php

<?php
require_once __DIR__ ."/../../init.php";
session_start();
// 输出验证码图像
header('Content-type: image/jpeg');

use Gregwar\Captcha\CaptchaBuilder;

// 生成新的验证码
$builder = new CaptchaBuilder;
$builder->build();

// 将验证码短语存储在会话中
$_SESSION['captcha'] = $builder->getPhrase();

$builder->output();