Course Elementary 41412
Course Introduction:"Session Implementation Login and Authentication Tutorial" mainly introduces how to use PHP for session-based login and authentication.
Course Advanced 19805
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 8990
Course Introduction:"JS Development Verification Form Tutorial" will introduce the front-end div+css layout in detail and achieve the effect of verification form through native js code.
Course Elementary 29315
Course Introduction:PHP Chinese website second online live VIP training class
Course Advanced 9456
Course Introduction:"PHP Development Verification Code Tutorial" will introduce how to use PHP code to create a simple verification code
thinkphp3.2 verification code automatic verification
How to use automatic verification of the verification code of thinkphp3.2? ? I can't write like this
2017-05-31 10:33:48 0 1 863
Verification code cannot be displayed
2018-04-28 18:28:59 0 1 1267
2018-06-28 09:38:46 0 1 1064
When verifying the verification code
Why does the verification code section always prompt that the verification code cannot be empty?
2019-02-14 23:01:41 0 3 1250
tp5 verification code problem.
2017-12-18 12:22:13 0 1 947
Course Introduction:PHP implements automatic expiration verification of SMS verification codes. With the development of Internet technology, SMS verification codes have become a commonly used security verification method in important operations such as user registration and login. The validity period of the SMS verification code is a very important security measure. Expiration verification can ensure the validity of the verification code and protect the user's privacy and account security. This article will introduce how to use PHP language to implement automatic expiration verification of SMS verification codes, and give specific code examples. Design the database table structure. First, we need to design a data table to store SMS verification codes.
2023-09-13 comment 0 766
Course Introduction:Sunflower is a remote control software that is very convenient to operate. Users can connect by entering the identification code and verification code. Recently, some users want to know how to customize the verification code in Sunflower? This method is very simple, so this software tutorial will provide answers to the majority of users. Users in need are welcome to come to the PHP Chinese website to obtain relevant steps. Sunflower custom verification code method: 1. Double-click to open the software, find the local verification code, and click the closed-eyes icon on the right side of it. 2. Then click the edit icon. 3. Then select Custom Verification Code in the options list. 4. Finally, you can edit the verification code.
2024-08-30 comment 0 747
Course Introduction:How to use PHP functions to optimize verification code sending and verification? With the development of the Internet, the use of verification codes has become one of the important means to protect user information security. In the website registration, login, password retrieval and other functions, the sending and verification of verification code is an indispensable part. This article will introduce how to use PHP functions to optimize the sending and verification of verification codes to improve user experience and security. Generate verification code First, we need to use PHP function to generate verification code. When generating a verification code, you can use the following code example: &l
2023-10-05 comment 0 1501
Course Introduction:How to use captcha in PHP forms to prevent automation attacks? With the development of the Internet, automated attacks have become a major challenge to network security. In order to protect the security of the website, many websites use verification codes for verification during the form submission process. This article will introduce how to use PHP to implement form verification codes to prevent automated attacks. First, we need to add a verification code input box to the form page, generate a random verification code in the background, and save it in the user's Session. User is submitting
2023-08-25 comment 0 1241
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 0 893