how to implement captcha in php

Alibabacloud.com offers a wide variety of articles about how to implement captcha in php, easily find your how to implement captcha in php information here online.

Wordpress anti-spam comment plug-in Si-Captcha-For-Wordpress instructions For use

As my PHP website has more and more visits to blog development and more comments, Wordpress has more and more visits to blog development and comments as Wordpress does not have the filtering function, wordpress spam comments are getting more and

PHP implementation of dynamic random verification Code mechanism (CAPTCHA)

Implementation of dynamic random verification code mechanism in PHPThe Verification Code (CAPTCHA) is the abbreviation for "Completely Automated public Turing test to tell Computers and humans Apart" (fully automated computer-and human-Turing test),

PHP uses curl to implement a mock login to a website with a CAPTCHA

Many of the online simulation login programs, mostly through the service program Apache and other operations, get to the verification code displayed on the Web page, and then fill in and then post out, although it looks very friendly, but since the

PHP uses curl to implement a mock login to a website with a CAPTCHA

Many of the online simulation login programs, mostly through the service program Apache and other operations, get to the verification code displayed on the Web page, and then fill in and then post out, although it looks very friendly, but since the

PHP uses curl to implement a mock login to a website with a CAPTCHA

/*** Demo Login*///Initialize Variables$cookie _file ="Tmp.cookie";$login _url ="http://xxx.com/logon.php";$verify _code_url ="http://xxx.com/verifyCode.php";Echo"getting cookie...\n";$CURLJ = Curl_init ();$timeout =5;curl_setopt ($curl, Curlopt_url,

Teach you PHP how to implement verification code, PHP implementation code _php Tutorial

Teach you how to implement verification code PHP, PHP implementation Verification code Verification code in the form implementation more and more, but with JS write verification code, always feel inconvenient, so learned the next PHP implementation

PHP uses curl to implement a method of simulating login with a Web site with Captcha _php tips

Many of the online analog login procedures, mostly through the service program, such as Apache operation, get to the verification code displayed on the Web page, and then fill in the post out, so although it looks very friendly, but since the analog

Implement the ajax pop-up window login function in ECSHOP and ecshopajax pop-up window Login

Implement the ajax pop-up window login function in ECSHOP and ecshopajax pop-up window Login In the previous article, we introduced how to use the openSpeDiv method to implement the Ecshop logon window. Click here for reference. The following

Implementation of laravle5.4 data authentication and user authentication

This article is mainly to share with you laravle5.4 data validation and user authentication implementation method, hope to help everyone. 1. Planning for routing Login Module Route::match ([' Get ', ' post '], '/admin/login ', '

How to implement the verification code in php. how to implement the verification code in php?

Teach you how to implement the verification code in php and implement the verification code in php. It is inconvenient to teach you how to implement a verification code in php. more and more verification codes are implemented in forms, so I learned

Total Pages: 7 1 2 3 4 5 .... 7 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.