captcha for html form without php

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When generating a form from a form widget at the view level, field can only exist in the database, for example: use yii\helpers\html; Use Yii\widgets\activeform; Use Yii\captcha\captcha; ' Sign-form ', ' Options ' =>[' action ' = '

9 developers should know the PHP library is mostly foreign resources, but with the support of these PHP libraries, we will be able to develop in the future to speed up, will not do simple repetitive work. 1. ReCAPTCHA The ReCAPTCHA library allows

9 Free php libraries _ turn 9 Powerful free PHP libraries & amp; 20 the PHP library you should know from: coolshell.cnarticles200.html from: coolshell.cnarticles455.html 1. reCAPTCHAreCAPTCHA allows your website to integrate one AdvancedCAPTC nine

This example describes the Yii core Validator API. Share to everyone for your reference, specific as follows: Core Validator Cores validators Objective YII provides a series of Common Core validators that you canFound in Yii\validators namespace.

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9 Free PHP Libraries _ turn 9 Powerful free PHP libraries & 20 You should know PHP library From:http://coolshell.cn/articles/200.html From:http://coolshell.cn/articles/455.html 1. ReCAPTCHA ReCAPTCHA allows your site to integrate with an advanced

The nine developers should know that most of the PHP libraries are foreign resources. However, with the support of these PHP libraries, we will certainly be able to accelerate development in the future without simple repetitive work. 1.

PHP uses session and gd library to generate and verify simple verification codes. sessiongd The verification code is used to prevent website contamination and increase the server load caused by machine irrigation. Currently, verification codes are

The Authentication code is to prevent the machine from flooding to the website pollution and increase the server burden to appear. At present, large and small sites have verification code. Today, I implemented a simple authentication code class.