1. PHP Manual: Migrating from PHP 5.6.x to PHP 7.0.x
https://secure.php.net/manual/en/migration70.php
2. PHP 7 UPGRADING doc
https://github.com/php/php-src/blob/PHP-7.0.0/UPGRADING
3. PHP 7 Requests for Comments
https://wiki.php.net/rfc#php_70
4. PHPNG (next generation)
https://wiki.php.net/phpng
5. Getting Ready for PHP 7
https://www.digitalocean.com/…/blog/getting-ready-for-php-7/
6. What to Expect When You’re Expecting: PHP 7, Part 1
https://blog.engineyard.com/2015/what-to-expect-php-7
7. What to Expect When You’re Expecting: PHP 7, Part 2
https://blog.engineyard.com/2015/what-to-expect-php-7-2
8. Zend: 5 Things You Must Know About PHP 7
http://www.zend.com/en/resources/php-7
9. The PHP 7 Revolution: Return Types and Removed Artifacts
http://www.sitepoint.com/php-7-revolution-return-types-rem…/
10. PHP 7: 10 Things You Need to Know
http://www.hongkiat.com/blog/php7/
11. #php7 on Twitter
https://twitter.com/hashtag/php7
12. GoPHP7 Extensions Project
http://gophp7.org/gophp7-ext/
13. Laracasts – PHP 7 Up and Running
https://laracasts.com/series/php7-up-and-running
.
แถม ใครใช้ Ubuntu 14.04, 15.04, และ 15.10 สามารถติดตั้ง PHP 7 เพียงได้ 3 คำสั่ง ดังนี้
sudo add-apt-repository ppa:ondrej/php-7.0
sudo apt-get update
sudo apt-get install php7.0
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