What are the knowledge points of the seven data types of PHP

This article will explain in detail what are the knowledge points about the seven data types of PHP, and the content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

If you want to get started with PHP, you must first learn to build an environment, and then learn basic grammar. The basics of PHP include data types, operators, variables, and constants.

In this article, we mainly understand what data types are. A data type refers to a general term for the same kind of data, which is generally described as a XX data type.

For example, if both integers and decimals are numbers, we will collectively call them numeric data types. In PHP, data types are divided into seven categories:

PHP has seven data types. Seven types:

Strings, integers, floats, Boolean, arrays, objects, resources.

Examples of data types for PHP are as follows:

In the above example, two basic knowledge points are added: comments and printout. Comments are intended for comments, have no impact on the program, but make it easier for developers to understand the program. The printout is intended to display the results.

There are two kinds of comments for PHP. Examples are as follows:

/ / A double slash is used to comment on a single line / * this symbol is used to comment on multiple lines * /

There are three types of printouts for PHP. Examples are as follows:

It is also important to note that every complete sentence of code must be finished with an English symbol, or there will be an error.

What are the seven data types of PHP knowledge points shared here, I hope that the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.