Other resources

These official PHP resources were a huge help during the creation of this book, and you may find them useful:

• PHP Manual: Migrating from PHP 5.6.x to PHP 7.0.x
• PHP 7 UPGRADING doc
• PHP 7 Requests for Comments
• PHPNG (next generation)

There are plenty of other great resources out there too, including some paid and some free ones:

• Getting Ready for PHP 7
• What to Expect When You’re Expecting: PHP 7, Part 1
• What to Expect When You’re Expecting: PHP 7, Part 2
• Zend: 5 Things You Must Know About PHP 7
• The PHP 7 Revolution: Return Types and Removed Artifacts
• PHP 7: 10 Things You Need to Know
• #php7 on Twitter
• GoPHP7 Extensions Project
• Laracasts - PHP 7 Up and Running

(Any commercial products or services listed here have not been tested or endorsed by the author - they are simply provided as a jumping-off point for your continued PHP 7 education.)