Shulou(Shulou.com)06/03 Report--

This article introduces the relevant knowledge of "what is the PHP Switch sentence". In the operation of actual cases, many people will encounter such a dilemma. Then 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!

The Switch statement in PHP is used to perform different actions based on several different conditions.

Switch statement

If you want to selectively execute one of several code blocks, use the Switch statement.

Long blocks of if..elseif..else code can be avoided by using Switch statements.

Grammar

The copy code is as follows:

Switch (expression)

{

Case label1:

Code to be executed if expression = label1

Break

Case label2:

Code to be executed if expression = label2

Break

Default:

Code to be executed

If expression is different

From both label1 and label2

}

Example

How it works:

Evaluate an expression (usually a variable) once

Compare the value of the expression with the value of case in the structure

If there is a match, execute the code associated with the case

After the code is executed, the break statement prevents the code from jumping into the next case to continue execution

If no case is true, use the default statement

The copy code is as follows:

This is the end of the content of "what is the PHP Switch sentence". 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!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.