Summarize examples of session technologies COOKIE and SESSION

Preface When we use PHP to develop the backend, we need to save some data, and our usual approach is to save it in the database, but sometimes we don’t need to save it in the database, such as when we log in to the web page. When the time of our last visit to the website is displayed on the website, the time of the last visit does not need to be saved in the database. At the same time, after we log in to a certain web page, we save the login user name. We do not need to save these. In the database, it is solved using session technology in PHP. Introduction to sessions PHP's cookie technology and session technology are both targeted at sessions. The session here can be understood as when a user opens a browser and visits a website. From the time the user accesses the website to the end when the user closes the website page, we call it a session. During a session, a user can click on various hyperlinks on the website pages, multiple times. When we visit a website and the pages within the website, we launch the website. It's just a session. Cookie explains that sometimes when we visit a website, we can see on the web page the last time we visited the current website as soon as we enter the website

1. PHP Basic Tutorial Seventeenth Session Technical COOKIE, SESSION

##Introduction: When we use PHP to develop the backend, we need to save some data , and our usual approach is to save the database, but sometimes we do not need to save it in the database. For example, when we log in to the web page, the time of our last visit to the website is displayed on the website. This last visit The time does not need to be saved in the database. At the same time, after we log in to a certain web page, we save the login user name. We do not need to save these in the database, but use the session technology in PHP to solve it. Introduction to session PHP cookie technology and se

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Cookie, session and java filter are combined to implement the login program

Introduction: This article mainly introduces the specific code of cookie, session and java filter to implement the login program in detail. Interested friends can refer to it.

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Xin Xing teaches you to quickly master the regular expressions of PHP

Introduction: Xin Xing teaches you to quickly master the regular expressions of PHP Expression First of all, I would like to say that this article is also summarized after reading the blogs of several great people. Therefore, I would like to express my high respect and gratitude to these great people. Due to the large number of people and the scattered sources, it is not necessary to I introduced them one by one, sorry. ************Cross-language theme******************1. Just like xml, json, cookie, session, get, po

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Usage examples of the PHP-encapsulated HttpClient class

Introduction: This article mainly introduces the PHP-encapsulated HttpClient class, which can be implemented For simple GET, POST, Cookie, Session and other functions, friends who need it can refer to

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Sina PHP Engineer Interview Questions

Introduction: 1. The connection and difference between COOKIE and SESSION. How do multiple web servers share SESSION? 2. What is the difference between POST and GET in HTTP protocol? 3. A piece of php code to write the output result: /****THIS APP****/ $a=0; $b=0; if(($a=3)0||($b=3)0){ $ a; $b; echo $a ; echo $b; //output b} 4. reqiure include

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PHP encapsulated HttpClient class usage example_PHP

Introduction: This article mainly introduces the HttpClient class encapsulated in PHP, which can implement simple GET, POST, Cookie, Session and other functions. Friends who need it can refer to it

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