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Section 13th-serializable object serialization: you can include objects and convert them into continuous bytes data. you can save serialized variables in a file or transmit them over the network. then, the data is deserialized and restored to the

PHP Permanent login, remember my feature implementation methods and security practices, PHP practices Permanent login refers to the mechanism of continuous validation between browser sessions. In other words, today's logged-on user is still logged

In the official thinkphp example, if the image uploaded by file is not saved in Upload, I will create a database & nbsp; configure the database & nbsp; the previous curd & nbsp; ajax & nbsp; forms available & nbsp; When uploading files & nbsp;

In the php-fpm mode, the optimization problem of eaccelerator is apache + fastcgi + php-fpm & lt ;? Php & nbsp; echo & nbsp; date ("Ymd-His "). "\ n"; & nbsp; for & nbsp; ($ I = 0; & nbsp; $ I & nbsp; & lt; & nbsp; 10 eaccelerator optimization

PHP5 access allows you to restrict access to class members. This is a new feature in PHP5, but it already exists in many object-oriented languages. With access, you can develop a reliable object-oriented application and build a reusable

https://www.jianshu.com/p/91975f66427dRecently used Laravel-admin to do a small project, which used the Excel export function.But the laravel-admin comes with an export feature without pictures, and the exported data has many redundant fields, not

If you forget your password, click "forgot password", and then you will receive a link to change the password. There will always be a long and messy string in the connection. If a duplicate string is displayed, wouldn't someone else's password be

Title: preventing csrf attacks By nexus Overview: 1. Hello World2. Introduction3. Authentication Technology3.1 cookies hashing3.2 HTTP3.3 Verification Code4. One-time token5. Last words1. Hello World Welcome to the new playhack.net release

If (! $ Session &&! $ SCID ){ /* Session is used to differentiate each shopping cart, which is equivalent to the ID card number of each car; SCID is only used to identify a shopping cart ID, which can be considered as the name of each vehicle; When

// Generate the shopping cart session Code If (! $ Session &&! $ SCID ){ /* Session is used to differentiate each shopping cart, which is equivalent to the ID card number of each car; SCID is only used to identify a shopping cart ID, which can be

Usage of magic methods in PHP /** PHP treats all class Methods Starting with _ (two underscores) as magic methods. Therefore, when you define your own class methods, do not use _ as the prefix. ** // _ Tostring, _ set, _ GET _ isset (), and _ unset (

Section 8 -- access method -- classes and objects in PhP5 [8] Author: Leon Atkinson Translation: haohappy Source: Beyond PHP   /*+ ------------------------------------------------------------------------------- +| =

The upload class uses the Net. UpdateFile class in the ORG class library package. The latest upload class contains the following functions (some functions need to be combined with other class libraries in the ThinkPHP system ): 1. Basic upload

How to identify and eliminate PHP webshells and webshells The most common backdoor may be written like this. Or Tudouya provides [A Construction Technique] On FREEBUF. Copy codeThe Code is as follows: Construct and generate, of course, too

    It is easy to understand. The ID of the cookie-saved shopping cart and the data of the DB-saved shopping cart. Code for generating a shopping cart sessionIf (! $ Session &&! $ SCID ){/*Session is used to differentiate each shopping cart, which

Original by Brother Kingboard/*                     _ooOoo_                    o8888888o                    88 " . " 88                     (| -_- |)                     O\  =  /O                 ____/'---' \____               . '   \\|     |//   ' .

Section 8-access methods PhP5 allows you to restrict access to class members. this is a new feature in PhP5, but it already exists in many object-oriented languages. with access, you can develop a reliable Object-oriented Application and build

Php program for sending attachments (2)Class html_mime_mail { Var $ headers;Var $ body;Var $ multipart;Var $ mime;Var $ html;Var $ html_text;Var $ html_images = array ();Var $ cids = array ();Var $ do_html;Var $ parts = array (); /***************

The code is as follows:Copy code Easy to understand. The ID of the cookie-saved shopping cart and the data of the db-saved shopping cart.// Code for generating the shopping cart sessionIf (! $ Session &&! $ Scid ){/*Session is used to

It helps you identify simple webshells and PHP webshells. Teach you to identify simple webshells without scanning and killing PHP webshells. one of the most common webshells may be written like php @ eval ($ _ POST [cmd]); in this case, php @ assert