Course Advanced 19730
Course Introduction:PHP practical tutorial, learn how to make verification codes and verifications with numbers and letters, and understand all aspects of the difficulties and processes.
Course Advanced 9402
Course Introduction:"PHP Development Verification Code Tutorial" will introduce how to use PHP code to create a simple verification code
Course Advanced 19083
Course Introduction:PHP practical tutorial, learn how to make verification codes and verifications with numbers and letters, and understand all aspects of the difficulties and processes.
Course Elementary 14774
Course Introduction:PHP Practical Enterprise Website (Native Code)" This course is an enterprise website written using native php+mysql statements. It is mainly used to demonstrate to novice friends how to use native PHP code to operate our database. It is also helpful for learning PHP and mysql is helpful
Course Intermediate 10914
Course Introduction:"Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.
In PHP, how to encode the generated verification code image into base64?
2017-05-27 17:42:38 0 2 1604
Verification code generated using think-captcha in thinkphp5 is not displayed
2017-09-04 16:03:55 0 1 1923
The verification code is not refreshed. I typed it following the teacher's video code.
The verification code is not refreshed. I typed it following the teacher’s video code.
2019-08-14 17:55:10 0 1 1255
2017-05-16 16:50:08 0 1 499
2017-11-06 13:50:30 0 9 1190
Course Introduction:php生成酷炫的四个字符验证码,php生成酷炫验证码。php生成酷炫的四个字符验证码,php生成酷炫验证码 本文实例为大家分享php生成验证码的实现代码,供大家参考,具体内容如下 php$im=imagec
2016-06-13 comment 0 1002
Course Introduction:PHP realizes the generation and verification of image verification codes. In website development, in order to prevent malicious machine attacks or automatic registration, we often use image verification codes for verification. This article will introduce how to use PHP to generate and verify image verification codes, and give specific code examples. Generating an image verification code The key to generating an image verification code is to generate a random verification code string and draw it onto the image. The following is a sample code that generates an image verification code: <?phpsession_start();//
2023-09-13 comment 0 865
Course Introduction:这篇文章主要给大家讲解php生成图片验证码,包括数字验证码、数字和字母验证码、中文验证码、仿google验证码、算术验证码,实现此功能主要通过GD库,生成一张带有验证码的图片,并把验证码存在session中,
2016-05-30 comment 0 894
Course Introduction:Title: How to generate verification codes in PHP In web development, verification codes (captcha) are often used to prevent automated machine operations to improve website security. This article will introduce how to use PHP to generate verification codes and provide specific code examples. 1. Principle and process of generating verification code The principle of generating verification code is to embed a randomly generated picture in the page, and display the generated verification code text and picture to the user. The user needs to enter the verification code correctly when submitting the form. The process of generating verification code is as follows: server receives
2023-09-24 comment 0 1679
Course Introduction:PHP and XML: How to generate and verify verification code. Verification code is a technology used to verify user identity. It is commonly used in website login, registration, form submission and other scenarios. This article will introduce how to use PHP and XML to realize the verification code generation and verification functions. Generate verification code First, we need to generate an image containing random characters as a verification code. We will use PHP's GD library to create the image and draw the verification code string on the image. <?phpsession_start();
2023-08-07 comment 0 941