Questions about WeChat's access_token and ticket-PHP Tutorial-php.cn

Home

Backend Development

PHP Tutorial

Questions about WeChat's access_token and ticket

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Dec 01, 2016 am 12:25 AM

phpWeChat

About this,
1. My current approach is to first store the access_token and the corresponding acquisition time in the database, and check whether the time difference between the current request time and the database has exceeded a certain time (6000s). If so, re-request the access_token and re- Store the token and time, otherwise directly use the existing token in the database to request the ticket;
2. Questions: 1) Is it feasible to request the ticket multiple times? Is it ok as long as the token is not requested multiple times?
2) Will it be different when requesting a ticket with the same token? What is the connection between token and ticket?
Thank you!

Reply content:

Through personal experience with the "WeChat public platform interface debugging tool", the following conclusions are drawn:
1. The WeChat public platform development document states:

Questions about WeChat's access_token and ticket

It can be seen that the WeChat public platform has limits on the number and frequency of jsapi_ticket calls. It is not recommended to refresh jsapi_ticket frequently, but it will not work if it is not refreshed. Secondly, the ticket has api_ticket for calling WeChat coupons and jsapi_ticket used for jssdk configuration, which is used to redeem the second ticket. The rules for QR code tickets are the same.
2. The same access_token gets the same ticket result multiple times. However, WeChat recommends caching access_token and ticket globally and setting the corresponding expiration time. As for the difference between the two, I personally think:
ticket is a calling certificate for a certain API. It doesn’t matter if it is leaked to a certain extent, it only contains specific permissions. The access_token is the globally unique interface calling credential of the public account. The public account needs to use the access_token when calling each interface and needs to be kept properly. Ticket is a temporary credential generated by token. If reacquired, the previous credentials will become invalid.

If the summary is wrong, please point it out.

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

What are the advantages of using a database to store sessions?Apr 24, 2025 am 12:16 AM

The main advantages of using database storage sessions include persistence, scalability, and security. 1. Persistence: Even if the server restarts, the session data can remain unchanged. 2. Scalability: Applicable to distributed systems, ensuring that session data is synchronized between multiple servers. 3. Security: The database provides encrypted storage to protect sensitive information.

How do you implement custom session handling in PHP?Apr 24, 2025 am 12:16 AM

Implementing custom session processing in PHP can be done by implementing the SessionHandlerInterface interface. The specific steps include: 1) Creating a class that implements SessionHandlerInterface, such as CustomSessionHandler; 2) Rewriting methods in the interface (such as open, close, read, write, destroy, gc) to define the life cycle and storage method of session data; 3) Register a custom session processor in a PHP script and start the session. This allows data to be stored in media such as MySQL and Redis to improve performance, security and scalability.

What is a session ID?Apr 24, 2025 am 12:13 AM

SessionID is a mechanism used in web applications to track user session status. 1. It is a randomly generated string used to maintain user's identity information during multiple interactions between the user and the server. 2. The server generates and sends it to the client through cookies or URL parameters to help identify and associate these requests in multiple requests of the user. 3. Generation usually uses random algorithms to ensure uniqueness and unpredictability. 4. In actual development, in-memory databases such as Redis can be used to store session data to improve performance and security.

How do you handle sessions in a stateless environment (e.g., API)?Apr 24, 2025 am 12:12 AM

Managing sessions in stateless environments such as APIs can be achieved by using JWT or cookies. 1. JWT is suitable for statelessness and scalability, but it is large in size when it comes to big data. 2.Cookies are more traditional and easy to implement, but they need to be configured with caution to ensure security.

How can you protect against Cross-Site Scripting (XSS) attacks related to sessions?Apr 23, 2025 am 12:16 AM

To protect the application from session-related XSS attacks, the following measures are required: 1. Set the HttpOnly and Secure flags to protect the session cookies. 2. Export codes for all user inputs. 3. Implement content security policy (CSP) to limit script sources. Through these policies, session-related XSS attacks can be effectively protected and user data can be ensured.

How can you optimize PHP session performance?Apr 23, 2025 am 12:13 AM

Methods to optimize PHP session performance include: 1. Delay session start, 2. Use database to store sessions, 3. Compress session data, 4. Manage session life cycle, and 5. Implement session sharing. These strategies can significantly improve the efficiency of applications in high concurrency environments.

What is the session.gc_maxlifetime configuration setting?Apr 23, 2025 am 12:10 AM

Thesession.gc_maxlifetimesettinginPHPdeterminesthelifespanofsessiondata,setinseconds.1)It'sconfiguredinphp.iniorviaini_set().2)Abalanceisneededtoavoidperformanceissuesandunexpectedlogouts.3)PHP'sgarbagecollectionisprobabilistic,influencedbygc_probabi

How do you configure the session name in PHP?Apr 23, 2025 am 12:08 AM

In PHP, you can use the session_name() function to configure the session name. The specific steps are as follows: 1. Use the session_name() function to set the session name, such as session_name("my_session"). 2. After setting the session name, call session_start() to start the session. Configuring session names can avoid session data conflicts between multiple applications and enhance security, but pay attention to the uniqueness, security, length and setting timing of session names.

See all articles