http://www.slideshare.net/brunoric/tdc-sp-2015-php7-better-faster
- Table Of Contents — PHP Internals Book
- Internal value representation in PHP 7 - Part 1
- Internal value representation in PHP 7 - Part 2
- php-src/NEWS at php-7.0.0beta1 · php/php-src
- php-src/NEWS at php-7.0.0beta2 · php/php-src
- PHP 7 Coolest Features: Space Ships, Type Hints, 2X Speed
- PHP's new hashtable implementation
- PHP 7 – What changed internally?
- Speeding up the Web with PHP 7
- PHP7 is coming
- GoPHP7-ext
- Real-World WordPress Benchmarks with PHP5.5 PHP5.6 PHP-NG and HHVM
- PHP7 Resource Recap
- What to Expect When You're Expecting: PHP 7, Part 1
- What to Expect When You're Expecting: PHP 7, Part 2
- HHVM vs PHP 7 – The Competition Gets Closer!
- Under the hood: Box's HHVM migration
- PHP 7 Benchmarks
- PHP7 JumpStart: Exceptions in the Engine/ Throwable Interface
- Play with PHP7 the easy way
- PHP 7 Feature Freeze
The reference with references.