Follow this article at http://cxshun.iteye.com/blog/1535188 and do it again today
Some problems occurred:
1 CreateDirectory() “D:Program Filesnginx-1.11.2/temp/client_body_temp” failed (3: The system cannot find the path specified)
Reason: It seems that there is no permission to create the folder, which is ominous (you can help create it)
Solution: In the http { } of the nginx.conf configuration file, add the following three lines (make sure there is a corresponding folder under your temp folder)
<code> client_body_temp_path temp/client_body_temp; proxy_temp_path temp/proxy_temp; fastcgi_temp_path temp/fastcgi_temp;</code>
2 CreateFile() "D:nginx-1.11.2/ html/favicon.ico” failed (2: The system cannot find the file specified), client: 127.0.0.1, server: localhost, request: “GET /favicon.ico HTTP/1.1”, host: “localhost”, referrer: "http://localhost/"
Reason: ominous
Solution: Close the log when favicon.ico does not exist
<code>location = /favicon.ico { log_not_found <span>off</span>; access_log <span>off</span>; }</code>
3 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond ) while connecting to upstream, client: 127.0.0.1, server: localhost, request: “GET /tomcat.css HTTP/1.1”, upstream: “http://[::1]:8080/tomcat.css“, host : “localhost”, referrer: “http://localhost/”
The speed is slow and the above error occurs
Reason: ominous
Solution: Change localhost to ip
Or add 127.0.0.1 localhost
to the hosts file and set the connection time
proxy_connect_timeout 300; #nginx connection timeout with the backend server (proxy connection timeout)
proxy_send_timeout 300; #Backend server data return time (proxy send timeout)
proxy_read_timeout 600; #After the connection is successful, the backend server response time (proxy reception timeout)
The above has introduced a summary of the use of nginx, including various aspects. I hope it will be helpful to friends who are interested in PHP tutorials.

PHPsessionstrackuserdataacrossmultiplepagerequestsusingauniqueIDstoredinacookie.Here'showtomanagethemeffectively:1)Startasessionwithsession_start()andstoredatain$_SESSION.2)RegeneratethesessionIDafterloginwithsession_regenerate_id(true)topreventsessi

In PHP, iterating through session data can be achieved through the following steps: 1. Start the session using session_start(). 2. Iterate through foreach loop through all key-value pairs in the $_SESSION array. 3. When processing complex data structures, use is_array() or is_object() functions and use print_r() to output detailed information. 4. When optimizing traversal, paging can be used to avoid processing large amounts of data at one time. This will help you manage and use PHP session data more efficiently in your actual project.

The session realizes user authentication through the server-side state management mechanism. 1) Session creation and generation of unique IDs, 2) IDs are passed through cookies, 3) Server stores and accesses session data through IDs, 4) User authentication and status management are realized, improving application security and user experience.

Tostoreauser'snameinaPHPsession,startthesessionwithsession_start(),thenassignthenameto$_SESSION['username'].1)Usesession_start()toinitializethesession.2)Assigntheuser'snameto$_SESSION['username'].Thisallowsyoutoaccessthenameacrossmultiplepages,enhanc

Reasons for PHPSession failure include configuration errors, cookie issues, and session expiration. 1. Configuration error: Check and set the correct session.save_path. 2.Cookie problem: Make sure the cookie is set correctly. 3.Session expires: Adjust session.gc_maxlifetime value to extend session time.

Methods to debug session problems in PHP include: 1. Check whether the session is started correctly; 2. Verify the delivery of the session ID; 3. Check the storage and reading of session data; 4. Check the server configuration. By outputting session ID and data, viewing session file content, etc., you can effectively diagnose and solve session-related problems.

Multiple calls to session_start() will result in warning messages and possible data overwrites. 1) PHP will issue a warning, prompting that the session has been started. 2) It may cause unexpected overwriting of session data. 3) Use session_status() to check the session status to avoid repeated calls.

Configuring the session lifecycle in PHP can be achieved by setting session.gc_maxlifetime and session.cookie_lifetime. 1) session.gc_maxlifetime controls the survival time of server-side session data, 2) session.cookie_lifetime controls the life cycle of client cookies. When set to 0, the cookie expires when the browser is closed.


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