PHP

PHP uses DES for encryption and decryption There is an extension in php that supports the DES encryption algorithm: extension = php_mcrypt.dll Opening the extension in the configuration file cannot be used in windows. You need to copy

Php implements the escape and unescape functions in javascript Escape function /** * Js escape php implementation * @ Param $ string the sting want to be escaped * @ Param $ in_encoding * @ Param $

PHP code for downloading remote files to local storage Function GrabImage ($ url, $ filename = ""){ If ($ url = "") return false; If ($ filename = ""){ $ Ext = strrchr ($ url ,"."); If ($ ext! = ". Gif"

Convert a php image to an ASCII code Convert a php image to an ASCII code. after conversion, you can directly display the image using a string. Ascii $ Image = 'image.jpg '; //

A php verification code generation class code Class ValidationCode { // Attributes Private $ width; Private $ height; Private $ codeNum; Private $ image; Private $ disturbColorNum; //

PHP calculates the information of a specified folder (number of folders, number of files, and folder size) // The code can also be used to count the number of directories // Format the size of the output

PHP Infinitus classification code // Obtain all descendant classes without recursion Function get_offspring ($ pids, $ list) { $ Npid = array (); $ Offspring = array (); $ Has_child = true;

A simple php paging code Class Page { Private $ total; // The total number of records in the data table Private $ listRows; // number of lines displayed per page Private $ limit; Private $ uri;

Import and Export php code to and from a CVS file Imports and exports php code from a CVS file. this custom php class can be used to convert database data and CVS files. /** * CSV file processing class */

Code for converting mysql data to excel output $ DB_Server = "localhost "; $ DB_Username = "mydowns "; $ DB_Password = ""; $ DB_DBName = "mydowns "; $ DB_TBLName = "user "; $ Connect = @

A PHP script for changing hosts Define ('host _ file', 'C: \ Windows \ System32 \ drivers \ etc \ hosts '); $ Hm = new HostManage (HOST_FILE ); $ Env = $ argv [1]; If (empty ($ env )){

Advantages and disadvantages of mongodb compared with mysql Compared with relational databases, MongoDB has the following advantages:① Weak consistency (eventual consistency) ensures the user access speed:For example, in a traditional

Php httpClient class Class httpClient { Public $ buffer = null; // buffer gets the returned string Public $ referer = null; // referer sets the HTTP_REFERER URL Public $ response = null; /

Php dynamically creates a function at runtime General language functions must be defined as running, while php supports dynamic function creation at runtime. The following is a simple example: create a function based on different

Symmetric encryption algorithm provided by php KEY is a previously defined constant.Mcrypt: encrypt ();Mcrypt: decrypt (); Defined ('root') or exit ('Access Denied '); Class Mcrypt { Public static

AndroidStudio excellent plug-ins Introduction to plug-insGoogle launched Android Studio based on IntelliJ IDEA Java IDE at the I/O developer conference in May 2013. AndroidStudio is a fully functional development tool and supports

Writing high-quality code -- starting with naming Programming beginners always spend a lot of time learning programming languages, syntaxes, skills, and programming tools. They believe that if they master these technical skills,

What are the good habits of product managers? Why did some of my friends do the Product Manager (http://www.maiziedu.com/course/pm/) 1, 2 years later, I found that I did not grow or enter a bottleneck, can not improve their technical

Php obtains the current domain name, host, URL, port, parameter, URL, path, proxy, and so on. // Obtain the domain name or host address Echo $ _ SERVER ['http _ host'].""; // Obtain the webpage address Echo

Csv file reading in php Define ("CSV_Start", 0 ); Define ("CSV_Quoted", 1 ); Define ("CSV_Quoted2", 2 ); Define ("CSV_Unquoted", 3 ); Function readCSV ($ fh, $ len, $ delimiter = ',', $