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How to convert positive numbers to negative numbers by php

2025-02-14 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly introduces "how php converts positive numbers into negative numbers". In daily operation, I believe that many people have doubts about how php converts positive numbers into negative numbers. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "how php converts positive numbers into negative numbers". Next, please follow the editor to study!

1. Create a sample PHP file.

2. Define a positive variable.

3. Convert a positive number to a negative number by "$number * =-1;".

Example

$number = 99% echo number * =-1 × echo $number; / / output-99

Attached:

A negative number becomes a positive number.

$number =-11 positive result = abs ($number); echo $result; / / output 11 this ends the study of "how to convert a positive number to a negative number by php", hoping to solve everyone's doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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