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PHP 7 Programming Cookbook

You're reading from   PHP 7 Programming Cookbook Over 80 recipes that will take your PHP 7 web development skills to the next level!

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Product type Paperback
Published in Aug 2016
Publisher Packt
ISBN-13 9781785883446
Length 610 pages
Edition 1st Edition
Languages
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Author (1):
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Doug Bierer Doug Bierer
Author Profile Icon Doug Bierer
Doug Bierer
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Table of Contents (16) Chapters Close

Preface 1. Building a Foundation FREE CHAPTER 2. Using PHP 7 High Performance Features 3. Working with PHP Functional Programming 4. Working with PHP Object-Oriented Programming 5. Interacting with a Database 6. Building Scalable Websites 7. Accessing Web Services 8. Working with Date/Time and International Aspects 9. Developing Middleware 10. Looking at Advanced Algorithms 11. Implementing Software Design Patterns 12. Improving Web Security 13. Best Practices, Testing, and Debugging A. Defining PSR-7 Classes Index

Formatting numbers by locale


Numeric representations can vary by locale. As a simple example, in the UK one would see the number three million, eighty thousand, five hundred and twelve, and ninety-two one hundredths as follows:

3,080,512.92.

In France, however, the same number might appear like so:

3 080 512,92

How to do it...

Before you can represent a number in a locale-specific manner, you need to determine the locale. This can be accomplished using the Application\I18n\Locale class discussed in the previous recipe. The locale can be set manually or from header information.

  1. Next, we will make use of the format() method of the NumberFormatter class, to both output and parse numbers in a locale-specific format. First we add a property that will contain an instance of the NumberFormatter class:

    use NumberFormatter;
    protected $numberFormatter;

    Note

    Our initial thought would be to consider using the PHP function setlocale() to produce numbers formatted according to locale. The problem with this legacy...

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