Book Image

Mastering PHP 7

By : Branko Ajzele
Book Image

Mastering PHP 7

By: Branko Ajzele

Overview of this book

PHP is a server-side scripting language that is widely used for web development. With this book, you will get a deep understanding of the advanced programming concepts in PHP and how to apply it practically The book starts by unveiling the new features of PHP 7 and walks you through several important standards set by PHP Framework Interop Group (PHP-FIG). You’ll see, in detail, the working of all magic methods, and the importance of effective PHP OOP concepts, which will enable you to write effective PHP code. You will find out how to implement design patterns and resolve dependencies to make your code base more elegant and readable. You will also build web services alongside microservices architecture, interact with databases, and work around third-party packages to enrich applications. This book delves into the details of PHP performance optimization. You will learn about serverless architecture and the reactive programming paradigm that found its way in the PHP ecosystem. The book also explores the best ways of testing your code, debugging, tracing, profiling, and deploying your PHP application. By the end of the book, you will be able to create readable, reliable, and robust applications in PHP to meet modern day requirements in the software industry.
Table of Contents (24 chapters)
Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface
16
Debugging, Tracing, and Profiling

PSR-1 - basic coding standard


PSR-1 is the basic coding standard. It outlines the rules our code should follow, as seen by the members of PHP-FIG. The standard itself is quite short.

Files MUST use only <?php and <?= tags. At one time, PHP supported several different tags (<?php ?>, <? ?>, <?= ?>, <% %>, <%= %>, <script language="php"></script>). The use of some depend on the configuration directives short_open_tag (<? ?>) and asp_tags (<% %>, <%= %>). The PHP 7 release removed ASP tags (<%, <%=), and the script tag (<script language="php">) altogether. The use of only <?php ?> and <?= ?> tags is now recommended in order to maximize compatibility.

Files MUST use only UTF-8 without BOM for PHP code. The byte order mark (BOM) is a Unicode character, U+FEFF BYTE ORDER MARK (BOM), appearing at the beginning of a document. When used correctly, BOM is invisible. The HTML5 browsers are required to recognize...