Book Image

PHP 7 Programming Cookbook

By : Doug Bierer
Book Image

PHP 7 Programming Cookbook

By: Doug Bierer

Overview of this book

PHP 7 comes with a myriad of new features and great tools to optimize your code and make your code perform faster than in previous versions. Most importantly, it allows you to maintain high traffic on your websites with low-cost hardware and servers through a multithreading web server. This book demonstrates intermediate to advanced PHP techniques with a focus on PHP 7. Each recipe is designed to solve practical, real-world problems faced by PHP developers like yourself every day. We also cover new ways of writing PHP code made possible only in version 7. In addition, we discuss backward-compatibility breaks and give you plenty of guidance on when and where PHP 5 code needs to be changed to produce the correct results when running under PHP 7. This book also incorporates the latest PHP 7.x features. By the end of the book, you will be equipped with the tools and skills required to deliver efficient applications for your websites and enterprises.
Table of Contents (22 chapters)
PHP 7 Programming Cookbook
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Formatting date/time by locale


The formatting of date and time varies region to region. As a classic example, consider the year 2016, month April, day 15 and a time in the evening. The format preferred by denizens of the United States would be 7:23 PM, 4/15/2016, whereas in China you would most likely see 2016-04-15 19:23. As mentioned with number and currency formatting, it would also be important to display (and parse) dates in a format acceptable to your web visitors.

How to do it...

  1. First of all, we need to modify Application\I18n\Locale, adding statements to use date formatting classes:

    use IntlCalendar;
    use IntlDateFormatter;
  2. Next, we add a property to represent an IntlDateFormatter instance, as well as a series of predefined constants:

    const DATE_TYPE_FULL   = IntlDateFormatter::FULL;
    const DATE_TYPE_LONG   = IntlDateFormatter::LONG;
    const DATE_TYPE_MEDIUM = IntlDateFormatter::MEDIUM;
    const DATE_TYPE_SHORT  = IntlDateFormatter::SHORT;
    
    const ERROR_UNABLE_TO_PARSE = 'ERROR: Unable to parse...