How to display only 3 decimal places in php

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Release: 2023-03-13 21:14:01
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In PHP, you can use the number_format() function to display 3 decimal places. This function can format numbers by thousands grouping. You can set the number of decimal places in the returned result. The syntax is "number_format(to format digital objects,3);".

How to display only 3 decimal places in php

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

php only displays 3 How to use decimal places

1. Create a new php file named test.php to explain how to set the number of decimal places in php. Use the header() method to set the encoding format of the page to utf-8. Create a decimal variable for testing.

How to display only 3 decimal places in php

2. In the test.php file, use the number_format function to keep the number with 3 decimal places, and the result is saved in the $res variable. Output the result after decimal processing through echo.

How to display only 3 decimal places in php

Open the test.php file in the browser to view the results.

How to display only 3 decimal places in php

Summary:

1. Create a decimal variable for testing.

2. Use the number_format function to keep the number with 3 decimal places, and the result is saved in the $res variable.

3. Output the result after decimal processing through echo.

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