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This article introduces the knowledge of "how to use the arithmetic operator of php". Many people will encounter this dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. Addition operation

Use the + sign to add values or expressions on the left and right sides. For example, there is a variable a, a variable a, a variable b, and their values are all 9 and 9 equals 10. The output uses echo, and all the code can be written as follows:

Echo $astatb

Remember to write the above code between tags and end with a semicolon.

2. Subtraction operation

Using the-sign, the writing syntax is consistent with addition. The code is as follows:

What are the frameworks of php? what are the php frameworks?

1. Laravel,Laravel is a free and open source PHP application framework.

2. Phalcon,Phalcon is the fastest PHP framework.

3. Symfony,Symfony is a PHP framework for Web projects.

4. Yii,Yii is a fast, secure and professional PHP framework.

CodeIgniter,CodeIgniter is a very agile open source PHP framework.

6. CakePHP,CakePHP is an old PHP framework.

7. Kohana,Kohana is an agile but powerful PHP framework.

That's all for "how to use the arithmetic operator of php". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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