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CI框架验证码CAPTCHA辅助函数用法实例

CI框架验证码CAPTCHA辅助函数用法实例

本文实例讲述了CI框架验证码CAPTCHA 辅助函数的用法,分享给大家供大家参考。具体如下:

使用CAPTCHA 辅助函数很方便生成验证码,但是图片是存储在文件夹下,不是输出流,感觉不够完美,可以拿来用用。

说明:产生4位的随机数,CI根目录下建立captcha文件夹。

复制代码代码如下:
<?php 
$this->load->helper('captcha');
$vals = array(
    'word' => rand(1000, 10000),
    'img_path' => './captcha/',
    'img_url' => 'http://localhost/ci/captcha/',
    //'font_path' => './path/to/fonts/texb.ttf',
    'img_width' => '150',
    'img_height' => 30,
    'expiration' => 7200
    );
$cap = create_captcha($vals);
echo $cap['image'];
?>

运行结果如下图所示:

希望本文所述对大家的CI框架程序设计有所帮助。

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