PHP

In json_encode before php5.4, Chinese characters will be unicode encoded and Chinese characters will be encoded and become unreadable, similar to the format of "u, next we will introduce several methods for processing no unicode transcoding before 5.

For user authentication, the most common method is to save the user ID and password into the database, and then write some login detection code, you can use the create user information table: The code is as follows: Create table tbl_auth_user

When building a website, programmers prefer the PHP language. We are still familiar with PHP. next we will introduce you to the PHP recursive algorithm. when we build a website, the preferred PHP language for programmers. We are still familiar with

This article describes how to change the mysql access password under wamp in detail. Need a Friend to learn php, use the wamp installation package to build php + apache + mysql environment, wamp official: http://www.wampserver.com/en. however, the

PHP class for generating static pages The code is as follows: Class html{Var $ dir; // dir for the htmls (/)Var $ rootdir; // root of html files (without/): htmlVar $ name; // html file storage pathVar $ dirname; // The specified folder name.Var

This article provides a detailed analysis of the php Singleton mode. For more information, see The Singleton mode has three main points:First, a class can only have one instance; Second, it must create the instance on its own; Third, it must provide

This article provides a detailed analysis of PHP unlimited classification (tree type). For more information, see PHP unlimited classification, the concept is more challenging. it is also widely used that the classification table has at least three

This article describes how to use mysql_fetch_array () to obtain the data of the current row. For more information, see mysql_fetch_row () it also gets the data of the current row in the result set and automatically slides down a row after the call.

This article provides a detailed summary and analysis of various PHP string functions. For more information, see PHP string functions, including searching for character locations, extracting sub-character functions, and replacing strings; character

This article provides a detailed analysis of the implementation source code of a simple cookie counter. For more information, see The code is as follows: $ Example = ++ $ _ COOKIE ['example '];Else $ example = 1;Setcookie ("example", $ example,

This article provides a detailed analysis of the MySQL connection class in php. if you need a friend, you may accidentally find such a Mysql connection class on your computer, I don't know where to add it to my favorites. paste it. Next several show_

This article provides a detailed analysis of common PHP5 functions. For more information, see the following: The code is as follows: The usleep () function delays code execution in several microseconds.The unpack () function unpacks data from

Php learning notes pre-defined array (ultra-global array). For more information, see. The code is as follows: /* Pre-defined array:* Automatic global variable --- Super Global Array** 1. contains data from WEB servers, clients, runtime

It is to combine the members (attributes and methods) of an object into an independent unit and hide the internal details of the object as much as possible. The code is as follows: /** Encapsulation: one of the three main characteristics of

This article provides a detailed analysis of some commonly used commands in hadoop. For more information, see Hadoop installation directory HADOOP_HOME:/home/admin/hadoop. Start and closeStart Hadoop1. go to the HADOOP_HOME directory. 2. execute sh

Closing the PHP error script prompt is one of the things that must be done when the program goes online, that is, no matter how the program reports errors, we cannot let the error log be seen on the server, below I will summarize the two methods to

This article provides a detailed analysis of SVN common problems and solutions. For more information, see Yellow exclamation point (conflict ):-- This is a conflict, that is, you have modified a file, and others have modified the file. others have

This article provides a detailed analysis of AJAX cross-origin access-two effective solutions. For more information, see the new W3C policy to implement HTTP cross-origin access, I have been looking for materials for a long time to solve this

This article provides a detailed analysis of common image function sets in php. For more information, see gd_info function: obtain information about the currently installed GD Library. Getimagesize function: obtains the image

This article provides a detailed analysis of the two methods that limit the size of the uploaded files in php before uploading, you can use a similar technique to reject large files (by checking the $ uploadedfile_size variable), but this is usually