Description and usage of PHP switch statement
This article introduces the relevant knowledge of "the description and use of PHP switch sentences". In the operation of actual cases, many people will encounter such a dilemma, 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!
Description
1. Pass 1 to 7 numbers in switch, and the first day will be regarded as Monday. If the number is not between 1 and 7, invalid numbers will be displayed by default.
2. The switch statement is used to perform different actions based on different conditions, and one of several code blocks can be executed selectively.
Long blocks of if..elseif..else code can be avoided by using switch statements.
Example