Switching and Migrating from PHP 5 to PHP 7: Update from php 5.6.x to php 7.0.x

A definition by php.net - PHP, which stands for "PHP: Hypertext Preprocessor" is a widely-used Open Source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. Its syntax draws upon C, Java, and Perl, and is easy to learn. The main goal of the language is to allow web developers to write dynamically generated web pages quickly, but you can do much more with PHP.

Programming languages evolve over time, but not by themselves. People who either designed the language or who have worked with it come up with ideas for improvement. Sometimes, those ideas come from ideas that have emerged in other programming languages. PHP has come a long way since its birth in the mid-1990's. From humble beginnings to becoming one of the most prominent and famous languages powering the web applications, the evolution of PHP is a geek's fairy tale. Very explosive growth from PHP 3 to now PHP 7 and going on. So advanced users or professional programmers require to upgrade them self time to time.

The best things in using PHP are that it is extremely simple for a newcomer, but offers many advanced features for a professional programmer. Don't be afraid of reading the long list of PHP 7 features over PHP 5. You can jump in, in a short time, and start writing simple scripts in PHP 7.

As PHP grew, it began to be recognized as a world-wide popular development platform. One of the most interesting ways of seeing this trend was by observing the books about PHP that came out throughout the years.

Clearly, the large number of books, written by different authors, published by many publishers, and their availability in so many languages - are a strong testimony for PHP's world-wide success