PHP Basics (1)-Magic references
PHP Basics-Magic References
Sample code download page http://xieye.iteye.com/blog/1336095 (in attachment)
Magic reference refers to the server's automatic conversion of some characters to facilitate the programmer's
Sessionstorage and localstorage are provided by the HTML5 web storage API to conveniently store data between Web requests. With local data, you can avoid unnecessary data transmission between the browser and the server.Sessionstorage, localstorage,
Sessionstorage and localstorage are provided by the HTML5 web storage API to conveniently store data between Web requests. With local data, you can avoid unnecessary data transmission between the browser and the server.Sessionstorage, localstorage,
Session: A technique that stores sessions data on the server side and allows data to recognize the browser.Schematic diagram: By analyzing the schematic diagram:1) The session data will be saved on the server opening session data area;2) After
(1) A technology that allows server-side scripting to store data on the browser side . Cookies are actually a technique for browsers .(2) Features: Allows the server to send instructions to the browser to manage the cookie data stored on the
A Web session can be simply understood as: A user opens a browser, visits a Web site, clicks multiple hyperlinks at the site, accesses multiple Web resources on the server, and then closes the browser, the entire process is called a session.HTTP
Due to the function of displaying weather in the project, the original calling method is directly through There was no problem at first, but when I recently used the jquery Easyui DataGrid control, I found that all the DataGrid did not show up, and
1. Please describe the difference between GET request and Post request in HTTP protocol.(1) Get data from the server, post is send data to the server.(2) Get pass parameters via URL, post through the body in request.(3) The parameters passed by the
Read the Thinksaas part of the source code, found that the $_post/$_get over the data processing method is through the function add_s (), that is, the environment by default does not open the MAGIC_QUOTES_GPC, the data submitted to the addslashes ()
See a good article on the Internet, write in detail.The following references the blog post. Reproduced in the "http://www.cnblogs.com/whgk/p/6422391.html", this is only for the purpose of learning reference.First, the session mechanismA common
In the long front-end development process, we commonly used several local caching mechanism: Cookie,localstorge,sessionstorge
the characteristics of 1.Cookie
1 The size of the cookie is limited, the cookie size is limited to 4KB, and cannot accept
CSRF (Cross-site request forgery Cross station forgery, also known as "one click Attack" or session riding, usually abbreviated as CSRF or XSRF, is a malicious use of the site. Although it sounds like Cross-site scripting (XSS), it is very different
In this paper, the method of preventing injection attack in PHP is analyzed in detail. Share to everyone for your reference. The specific analysis is as follows:
PHP addslashes () function --single apostrophe plus slash escape
PHP String function
These are basic knowledge, but it is necessary to do a thorough understanding. Let's start with a brief introduction.
the definition of the two:
When you are browsing the Web, the Web server will send a small piece of information to your computer,
Tag: PAC string field name array error Error listening message ReadWriteIn the previous phase of the work, the project team to develop a platform, in order to make a better user experience, requires a front-end separation, so this is the front-end
First, overview:All applications require "data" support. For most Web applications, the data is organized and collated on the server side and then solicited by the client (browser side) over the network request. as browsers become more capable of
Summary: describes the differences and usage of cookies, LocalStorge, and SesstionStorge.
1. simple comparison of various storage solutions
Cookies: supported by browsers, with a capacity of 4 kb
UserData: only supported by IE, with a capacity of 64
This article mainly introduces the PHP method to prevent injection attacks. The example analyzes the related string functions and special character processing. For more information, see
This article mainly introduces the PHP method to prevent
There are three methods to operate on cookies:
1. The client browser accepts the set-cookie header operation cookie of the server according to the protocol.
2. The client browser uses the DOM interface to operate cookies.
3. Construct the
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