Example analysis of the difference between cookie and session in PHP, cookie instance analysis
Cookies and sessions are very important techniques in PHP programming. In-depth understanding and mastering the application of cookies and sessions is
In some situations such as voting, we usually require that each person only vote for one vote because of the principles of fairness. In some web development, similar situations are also found. At this time, we usually use cookies to implement such a
In some polls and the like, we tend to ask everyone to vote only for the principle of fairness, in some web development there are similar situations, we usually use cookies, such as the following code:if (Cookies.lenght = = 0 | | | cookies = NULL)
On occasions like voting, we tend to ask everyone to vote for a fair number of reasons, and there are similar situations in web development where we usually use cookies, such as the following code:if (cookies.lenght = 0 | | | cookies =
Specifically, the cookie mechanism adopts the client-side persistence scheme. It is the storage mechanism of session status on the user end. it requires the cookie support from the user to open the client. Cookie is used to solve the stateless
Specifically, the cookie mechanism uses a scenario that maintains state on the client. It is the storage mechanism of session state on the client side, and he needs the user to open the cookie support of the clients. The purpose of cookies is to
PHP in the cookie and session is our common two variables, one is the user client, one used in the server but their differences and how it works, let's take a look at the cookie and session mechanism principle.Differences and linkages between
This article provides a detailed analysis of Session and Cookie in PHP. For more information about how to set a cookie on a page, you must refresh or go to the next page to use $ _ COOKIE to get the variable value.
The reason is that when the page
The difference and connection between cookie and session mechanism
Specifically, the cookie mechanism uses a scheme that maintains state on the client. It is the memory mechanism of the session state at the client side, and he needs the user to
When setting a cookie on a page, you must refresh or go to the next page to use $ _ COOKIE to get the variable value.
The reason is that when the page is accessed and loaded by the browser for the first time, the cookie in the page will be set and
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