PHP 7 extension development.md

https://www.youtube.com/watch?v=snGkSg-lfJw

https://wiki.php.net/phpng-int https://wiki.php.net/phpng-upgrading

http://nikic.github.io/2014/12/22/PHPs-new-hashtable-implementation.html http://nikic.github.io/2015/05/05/Internal-value-representation-in-PHP-7-part-1.html http://nikic.github.io/2015/06/19/Internal-value-representation-in-PHP-7-part-2.html

http://www.phpinternalsbook.com/

http://fr.slideshare.net/jpauli/php-extensionsworkshop