The session tool class is used as a project using the "Attention register as an array of methods within an object", the use of classifications, the Verification Code "focus"

1. Implement the session of the storage tool class
Note the difference between the methods and functions used in registration is:
Spl_autoload_register (' handle ');//This registration is a function
Spl_autoload_register (Array (object,handle));//This is the specified method of an object, as is the case with the class name.

This situation is in session_set_save_handle ();//It is used in this way

The tool class of the session storage is a useful tool
"Attention to the implementation of the design and implementation of the tool class work: The tool class is equivalent to do the extension function"

Ini_set ();//implementation of PHP in the script correction, just for the current script to take effect

2. Classification

Deleting the classification section requires that the associated classification also be processed "If you delete the class directly, it is also a recursive delete"

Delete the message that you want to delete in the "tool class also needs to display the error message"
Especially when it comes to database operations.

"The problem of duplicate names under classification needs to be checked and interpolated, which is an issue that needs to be carefully considered by the business layer"

"Implementing data submissions in a background page: targeted manipulation and persistence of submitted data, which is called data processing." CGI component "

Focus
3. Verification Code Section
Video 8

The session tool class is used as a project using the "Attention register as an array of methods within an object", the use of classifications, the Verification Code "focus"