The relationship between php and html

Common sense about PHP variables

Powerful strings

numerical processing technology

constant knowledge

Forms and form data acquisition

isset, is_null, empty and form validation

Indexes and associative arrays

Array traversal

Multidimensional array details

Conversion between array and string

Array sorting

Detailed explanation of loops and multiple loops

Let’s talk about the form submission method again

File import and template creation

How to create a sticky form

Introduction to functions

phpMyAdmin User Guide

Adminer Operation Guide

Basic add, delete, modify and check CURD operations

MySQLi connection operation

Let’s talk about database connections again

Practical combat_User registration verification and new operations

Practical combat_User information list display

Practical combat_updating and deleting user information

connection operation

Add operation

Query operation

update operation

Delete operation

SQL injection principles and prevention

Use preprocessing to complete new operations

Use preprocessing to implement query operations

Use preprocessing to implement update operations

PDO connects to database

PDO new operation

PDO query operations

PDO update operation

PDO delete operation

New operations for PDO preprocessing

PDO preprocessing query operation

PDO preprocessing update operation

PDO preprocessing delete operation

PDO preprocessing query and paging display_1

PDO preprocessing query and paging display_2

COOKIE principle and implementation

COOKIE combat-User login_1

COOKIE combat-User login_2

COOKIE combat-User login_3

SESSION principle and implementation

SESSION actual combat_User login

Introduction to strings

Introduction to string output functions

Common string functions_1

Common string functions_2

Introduction to common array functions

Double color ball lottery case

Other commonly used array functions

Array callback processing_1

Array callback processing_2

Array callback processing_3

Array callback processing_4

Basic operations on files and directories

Directory traversal and file operations

First experience with object-oriented

Basic concepts of classes and objects

Class constructor

Class inheritance and access control_1

Class inheritance and access control-2

Use of Final keyword

Use of $this

Tips for accessing static members in classes

Static method use cases

__get() and __set() methods

__isset() and __unset()

__call()__callStatic()

__sleep()__wakeup()

Introduction and separation of namespaces

Namespace access and conflict handling

Namespace implements automatic loading of classes

Late static binding of classes

File upload operation

Configuration files and user registration

User login operation

Log out

Registered member list

Make a home page

Singleton pattern

How MVC works

PDO encapsulates database operation classes

Test the packaged Db class

Public models and custom models

Create controller

Entry file

Make a view template