Upgrading to PHP 5

Upgrading to PHP 5 - Adam Trachtenberg | Showmesound.org PDF, TXT, FB2. ePUB. MOBI. Le livre a été écrit en 2021. Cherchez un livre sur showmesound.org.


Adam Trachtenberg
8,52 MB
Upgrading to PHP 5.pdf


As a PHP 4 user, chances are that an upgrade to PHP 5 is in your future. Upgrading to PHP 5 is for the existing PHP developer who either already owns a book on PHP 4 or has learned from web sites and mailing lists. Written by the coauthor of PHP Cookbook, this is the book an experienced PHP programmer needs to get started with the latent release. Upgrading to PHP 5 zeros in on PHP 5's new features and covers these features definitively. You'll find a concise appraisal of the differences between PHP 4 and PHP 5, a detailed look at what's new in this latent version, and how these changes affect your work. Then, because this is written for veteran PHP programmers, you can go directly to more advanced features and gain valuable bands-on experience using the short code samples that are included throughout the book. The final chapter is a complete example program that pulls together all the previously introduced material into a single application. Upgrading to PHP 5 won't make you wade through information you've covered before; author Adam Trachtenberg takes you straight into the heart of all that's new in PHP 5. By the time you've finished this book, you'll know PHP 5 in practice as well as in theory.

Reducing the cost of doing business by avoiding software ... PHP 7, which was released on December 3, 2015, promises substantial speed improvements over previous versions of the language, along with new features like scalar type hinting. This guide explains how to quickly upgrade an Apache or Nginx web server running PHP 5.x (any release) to PHP 7, using community-provided packages. Upgrading to PHP 5 explains the logic behind the changes and shows how you can take advantage of them to the benefit of your code.

Updating your PHP version should not be a problem, but we can't guarantee that it's not. WordPress itself works with PHP versions as far back as 5.6.20 (we're currently recommending version 7.3, so this is great backward compatibility!), but we don't ... Although it's not related to PHP upgrade, you need to double check that the extension=php_mysql.dll is either commented out or deleted.