online unserialize data

There may be several reasons for this error. The answer to the online search is basically targeted. The key is how to find the cause and solve it. Analysis 1: In the data storage and deserialization encoding problem error this cause is very common,

Introduction: This is a detailed page for PHP unserialize and serialize usage. It introduces the knowledge, skills, and experience related to the usage of PHP, PHP, serialize, unserialize, and unserialize, and some PHP source code. Class =

__wakeup () function usage __wakeup () is used in deserialization operations. Unserialize () checks for the existence of a __wakeup () method. If present, the __wakeup () method is invoked first. Class a{function __wakeup () {Echo ' Hello ';}}$c =

Security is the most important issue facing the online website. There is no absolute security, only constant attack and defense confrontation. Do not believe that the user submitted data is the first purpose, this article to use a weak type and

By default, PHP sessions (session) are saved by a file. There are several disadvantages to doing this: Session files are generally small, but there are a lot of files, and saving many of these small files in a file system is a waste of space and

The previous articles mentioned memcache and TT. memcache memory databases are well understood. data is stored in the memory, and data is lost when the server is restarted or the memcahce process is restarted. So we also mentioned that ttserver data

Use MySQL to start a PHP session. By default, PHP sessions are saved through files. This method has the following disadvantages: the session files are usually very small, but there are many files. by default, PHP sessions are saved in the file

By default, PHP sessions are saved through files. This has the following disadvantages: Session files are usually very small, but there are many files. it is a waste of space to save many such small files in the file system, and the efficiency is

By default, PHP sessions are saved through files. This has the following Disadvantages: Session files are usually very small, but there are many files. It is a waste of space to save many such small files in the file system, and the efficiency is

#简单的SQL注入http://www.shiyanbar.com/ctf/18751) Try to id=1, no errors.2) Try to id=1 ', error, there is echo, indicating that there are injection points:You have a error in your SQL syntax; Check the manual-corresponds to your MySQL server version for