think-captcha
thinkphp5 verification code library
Install
composer require topthink/think-captcha
use
Output the verification code in the template
<div>{:captcha_img()}</div>
or
<div><img src="{:captcha_src()}" alt="captcha" /></div>
上面两种的最终效果是一样的
Verify in the controller
Just use TP5’s built-in verification feature
$this->validate($data,[
'captcha|验证码'=>'require|captcha'
]);
Or verify manually
if(!captcha_check($captcha)){
//验证失败
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