Detailed introduction to basic applications

The structure of a namespace is very similar to that of a file system. Folders can have subfolders, and namespaces can also define subspaces to describe the ownership relationships between each space. The previous chapter introduced what is a namespace? As well as the basic applications of PHP namespaces, here we start to understand the subspaces and public spaces of namespaces. The following example illustrates what subspace is. For example, the two modules cart and order are both in the same shop project, and the relationship is expressed through the namespace subspace. The code looks like this:

1. php namespace: detailed explanation of subspace and public space instances

##Introduction: The structure of a namespace is very similar to that of a file system. Folders can have subfolders, and namespaces can also define subspaces to describe the ownership relationships between spaces. The previous chapter introduced what is a namespace? As well as the basic applications of PHP namespaces, here we start to understand the subspaces and public spaces of namespaces.

2. What is a namespace? Basic application sharing of PHP namespace

##Introduction: Function names, class names and constants declared in PHP The name cannot be repeated in the same run, otherwise a fatal error will occur. A common solution is to agree on a prefix.

3.

Introduction to socket.io learning tutorial in node.js (2)

Introduction: socket.io provides real-time two-way communication based on events. The following article mainly introduces relevant information about the basic applications of socket.io, which has certain reference and learning value for everyone. , friends who need it can come and take a look below.

4.

Basic application of PHP regular expressions

##Introduction: Basic application of PHP regular expressions

5.

Basic application of PHP functions

Introduction: Basic application of PHP functions

6.

Basic application of for loop in PHP: Nine-Nine Multiplication Table

Introduction: The basic application of for loop in PHP and the nine-nine multiplication table

7.

Let’s learn about nginx together - basic introduction + single point installation + basic application nginx apache nginx php nginx rewrite

Introduction: nginx: Let’s learn about nginx together - basic introduction + single point installation + basic application: With the development of technology, the programs designed by Siege Lions can already be used for free for fault tolerance and access sharing load, so today I will take you with me Learn about nginx and the single point installation of nginx. 1. What is nginx Nginx is a high-performance http server/reverse proxy server and email (IMAP/POP3) proxy server. Developed by Russian programmer Igor Sysoev, the official test nginx can support 50,000 concurrent connections, and cpu, memory

8.

evacuate the dancefloor PHP introductory learning knowledge Point 8: Basic application of for loop in PHP: Nine-Nine Multiplication Oral Table

Introduction: evacuate the dancefloor:evacuate the dancefloor PHP introductory learning knowledge points eight basic applications of for loops in PHP: ninety-nine multiplication tables: copy the code The code is as follows:

"; echo "

"; for($i=1;$i<=9;$i++ ){ echo ""; for($j=1;$j<=$i;$j

9. photoshop cs2 v9.0 Green Chinese version PHP introductory learning knowledge points seven basic applications of PHP functions

Introduction: photoshop cs2 v9.0 Green Chinese version: photoshop cs2 v9.0 Green Chinese version PHP introductory learning knowledge points Seven basic applications of PHP functions: Copy the code as follows:$con"; } $str=" Simple function test! "; echo "Normal text: $str
"; echo "Bold text: ".fontBold($str).""; /* * With

10. php Regular PHP Getting Started Learning Knowledge Point Four PHP Regular Expression Basic Application

Introduction: PHP Regular: PHP Regular PHP Getting Started Learning Knowledge Point Four PHP Basic application of regular expressions: Copy the code as follows:"; }else{ echo "no"; } if(ereg("([A-Z]{3,})", "aaa")){ echo "yes"; }else{ echo "Lowercase cannot be matched!
"; } //

[Related Q&A recommendations]:

php - redis+mysql basic application

The above is the detailed content of Detailed introduction to basic applications. For more information, please follow other related articles on the PHP Chinese website!