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

Using emoticons or emoji in a view script


The word emoticons is a composite of emotion and icon. Emoji, originating from Japan, is another, larger, widely used set of icons. These icons are the little smiley faces, tiny ninjas, and rolling-on-the-floor-laughing icons that are so popular on any website that has a social networking aspect. Prior to PHP 7, however, producing these little beasties was an exercise in frustration.

How to do it...

  1. First and foremost, you need to know the Unicode for the icon you wish to present. A quick search on the Internet will direct you to any one of several excellent charts. Here are the codes for the three hear-no-evil, see-no-evil, and speak-no-evil monkey icons:

    U+1F648, U+1F649, and U+1F64A

  2. Any Unicode output to the browser must be properly identified. This is most often done by way of a meta tag. You should set the character set to UTF-8. Here is an example:

    <head>
      <title>PHP 7 Cookbook</title>
      <meta http-equiv="content-type" content...