php session

Two days ago to play a little cloud side of the light blog, think things relatively small, they also want to get something, directly put into the server installed, the result AH!!! $_session lost for several days ~ Situation Description: $_session

In the past, running a large Web application meant running a large Web server. Because your application attracts a large number of users, you will have to add more memory and processor to your server. Today, the "big server" model is over, replaced

Session On the temporary processing method of the session cannot be automatically removed The problem is: "PHP session will always keep the user entered when the first entry information, even if you return to the landing screen will not change the

PHP session refers to the user from entering the site to the closure of the site during the period of a mechanism, it provides all web pages are common use of the public variable storage mechanism. So what is the use of the session? When shopping on

This sesison to the database is very simple, is based on the session_id of the database crud operations, mainly used, Session_set_save_handler this method, custom session execution method, First create the data table CREATE TABLE ' Sessions ' (

  incnum ($id, $nu m); Return } $item = Array (); $item [' id '] = $id; $item [' name '] = $name; $item [' price '] = $price; $item [' num '] = $num; $item [' img '] = $img; $_session[' cart ' [$id] = $item; /* Modify the

This article mainly introduced the PHP session file exclusive lock to cause congestion, this article explains PHP using the default file sessions processor easy to lead to blocking problem solving method, the need for friends can refer to the The

PHP session the same client request when the server sessions do not end, the next request cannot be done! For example, the following code: Client #content { width:100%; height:100%; Text-align:center; } Server

Session first introduces the concept of the session: the so-called session is the first proposed by Microsoft, in the ASP, the first integration. Thanks to the adoption of the session, Web developers are greatly facilitated by their work. For a

The general feeling of PHP's session function can basically use, but also convenient, save a lot of their own processing Cookie's troublesome thing. PHP Session Management is also file-based, and the default is in the/tmp directory Generates a

First, introduce the concept of session: The so-called session is the first proposed by Microsoft, in the ASP, the first integration. Thanks to the adoption of the session, Web developers are greatly facilitated by their work. For a while the ASP

Just like 90% of the home maintenance work can be done with a screwdriver and a wrench, the Web server is no exception. Let's take a look at these tools. 　　1, the server response is slow If the server responds slowly, the first thing to do is to

In previous versions of PHP, to determine if the session was valid, you could only use the following methods: Session_Start (); if (Isset ($_session)) { echo "Started"; } Else { echo "Not Started"; } In PHP 5.4 (forthcoming release), the state of

This article is a PHP to prevent form recurrence of the method of the detailed analysis of the introduction, the need for friends under the reference PHP prevents forms from repeating instances: Copy Code code as follows: session_start (); $

session| Server | data First, the origin of the problemSlightly larger sites, there are usually several servers, each server running different functions of the module, the use of different level two domain name, and a strong overall site, the user