how to code in php

In PHP, the "simple factory mode" instance code is explained. Simple factory mode: ① abstract base class: define abstract methods in the class to implement in the subclass ② inherit from the subclass of the abstract base class: implement abstract

This article will share with you how to use the GD library of php to implement the verification code function and all the code. if you need it, you can refer Key points: 1. if session_start () is not stated before, it must be stated;2. you can

Json is one of the most popular data exchange formats. Each API website supports json. This article describes how to use json in php and how to implement json in php, json has become one of the most popular data exchange formats, almost all APIs of

Use jQuery's Ajax cross-origin call in PHP to implement code. if you need code, refer to jQueryAjax. You can define a call method on the page as follows: The code is as follows: Function getData (){ $. GetJSON ("http: // 123.123.123.123 /?

How to reuse php if condition code PHP code reuse I have an if condition (composed of multiple expressions), which is used on many pages, but this condition changes at any time, for example: If (condition) {Statement} How can I reuse code with

This article mainly introduces how to implement crontab code sharing in PHP. This article provides the implementation code and how to use it. For more information, see This article mainly introduces how to implement crontab code sharing in PHP. This

Copy codeThe Code is as follows:// Specify the page encoding to prevent Chinese garbled charactersHeader ('content-type: text/html; charset = gb2312 ');// Start Excel$ Ms_excel = new COM ("excel. application") or die ("Excel application cannot be

Ec (2); php has the bin2hex method, but there is no hex2bin method. The following is a simple implementation of hex2bin: & lt ;? Phpfunction & nbsp; hex2bin ($ data) & nbsp ;{& nbsp; & nbsp; $ len & nbsp; strlen ($ data); & nbsp; script ec (2);

The project does not use a framework. The content of the native php code webscan. php file is as follows: My problem is as follows: I know this is a protection script. Can you tell me more about it? Thank you The project does not use a framework,

Json is one of the most popular data exchange formats. Each API Website Supports json. This article describes how to use json in php and how to implement json in php. Json is one of the most popular data exchange formats. Each API Website Supports

Generally, normal strings must be encoded into the format that can be interpreted by the JavaScript unescape () function. For example, you can use the following function to implement escape () in Javascript () functions are the same:Copy codeThe

Copy codeThe Code is as follows:$ MyServer = "localhost"; // host$ MyUser = "sa"; // User Name$ MyPass = "password"; // password$ MyDB = "Northwind ";? // MSSQL database name$ S = @ mssql_connect ($ myServer, $ myUser, $ myPass)Or die ("Couldn't

You can define a call method on the page as follows:Copy codeThe Code is as follows:Function getData (){$. GetJSON ("http: // 123.123.123.123 /? Callback =? ",{"M": "data", // specify the php file name"Act": "getdata", // specifies the method in the

Copy codeThe Code is as follows:Function gmfun ($ path = "."){$ D = @ dir ($ path );While (false! ==( $ V = $ d-> read ())){If ($ v = "." | $ v = "..") continue;$ File = $ d-> path. "/". $ v;If (@ is_dir ($ file )){Gmfun ($ file );} Else {If (@ ereg

Simple factory mode:① Abstract base class: Class Defines abstract methods for implementation in sub-classes② Inherit from the subclass of the abstract base class: implement the abstract methods in the base class③ Factory class: Used to instantiate

First, the application scenario In Web sites, picture verification codes are often used to prevent malicious users from registering, posting, and so on. In PHP, the image verification code is mainly through the GD library provided by the API to

This article to share the content is about PHP micro-frame flight source automatic loading of the analysis, there is a certain reference value, the need for friends can refer to. First look at the framework of the single-entry file index.php, first

The trim () function removes spaces and other predefined characters from both ends of the string. Remove leading and trailing spaces. Assume that there is a string "ddd dd d", which is "ddd dd d" after Trim ". You can remove unnecessary spaces

The results of 3des encryption in php are too many different posts and topics than. Netjava. I have been doing this for a while, but I have done it today and it is completely compatible with. net. The code is as follows: Class Crypt3Des{Private

This article introduces to you about how to put the session into the database in PHP and use (with code), there is a certain reference value, the need for friends can refer to, I hope to help you. Example Description: It is safer to store session