PHP Tutorials

The reverse of the PHP array in an article, "How to sort php arrays," we introduced the sort, asort, and Ksort, which are sorted in ascending order of the array, so if you want to implement the reverse of the arrays? Here's another set of functions

Have done login know, we need an identity to record the uniqueness of the user's identity, in Unionid is we need to record the unique ID, then how to get Unionid is the key, the project is divided into small programs and background PHP code two

what is a string? A string is a sequential sequence of characters, consisting of numbers, letters, and symbols. Each character in the string occupies only one byte. In PHP, there are three ways to define strings, namely single quotation marks ('),

callback functionPasses a function as an argument to the called function. If a parameter of type callback is present in the format description of the function, the function is the callback function. Although variable functions can be used to declare

We all know that there are 12 months in a year, one months have 31 days (or 30 days, February has 28 days, leap year February has 29 days), one weeks have 7 days, 24 hours a day ... Wait a minute. But our computer does not know Ah, it is not able to

How do I create a compressed RAR file in PHP? In the Web site, most of the uploaded files are in the form of compressed package, so we first have to upload the files before we can upload, then how do we implement the Web site to upload files

PHP is an interpreted language. such as Java, Python, Ruby, Javascript, and other interpreted languages, the code we write will not be compiled into machine code to run, but will be compiled by the intermediate code running on the virtual machine

First, summary The RFC recommends adding 4 new scalar type declarations: int,float,string and bool, which will be used in a consistent way with the original PHP mechanism. RFCs are recommended for each PHP file, adding a new optional directive

PHP Example code to implement the Chess Vault program： Problem Description: Suppose the chess board has 5*5 a total of 25 squares. Design a program so that the pieces from the initial position (the Checkerboard Number 1 position) to start the vault,

Before you know the PHP life cycle, learn how Apache is associated with PHP. Analysis of 1.Apache operation mechanism ----------------------------- Overall as follows: Apache hook mechanism Apache hook mechanism refers to: Apache allow

This article analyzes the PHP implementation of the synchronous recommended Operation API interface. Share to everyone for your reference, as follows: Document 1. Function Synchronous Referral Relationship 2. Interface Methods Syncrelation 3

Static variables and ordinary variables of the difference between, for many beginners PHP friends may not click on the clear, today we look at the static variable in PHP and the difference between the ordinary variable it, the need for friends can

The example in this article describes how PHP operates an Access database. Share to everyone for your reference, as follows: PHP and MySQL are the best combinations in PHP web development, but when you want to migrate other platforms to the PHP

Abstract classes cannot override abstract methods of abstract parent classes when they inherit another abstract class。 This usage can be understood as an extension of the abstract class. The following example shows that an abstract class inherits

What this section explains An Introduction to arrays Creation of arrays Dynamic growth of arrays Traversal of an array Correlation functions for arrays Array operators Objective In the previous study, whether variables and

After introducing the Yii database interface, we introduce the Zii component from this chapter, including the List view ListView, the Tabular view of the GridView, and also include some jquery-based UI components such as Autocomplete,datapicker,

Before reading this section, it is highly recommended that you read the selenium documentation and the PHPUnit documentation first. Below we briefly outline the basic principles of writing functional tests in the YII framework: As with unit

PHP header to define a PHP page for UTF encoding or GBK encoding PHP page is UTF encoded Header ("content-type:text/html; Charset=utf-8 "); PHP page is GBK encoded Header ("content-type:text/html; charset=gb2312 "); PHP page is BIG5

Before you begin, it is highly recommended to take a look at Xunsearch's official documentation Xunsearch Introduction Xunsearch is a high-performance, full-featured full-text retrieval solution.Xunsearch is designed to help average

Today, at the time of compiling nginx, we found that there are several different packages on OpenSSL as follows: 4441 2016-jan-28 14:38:54 openssl-1.0.1r.tar.gz (SHA256) (PGP sign) (SHA1)5135 2016-jan-28 14:38:54 openssl-1.0.2f.tar.gz (SHA256)