===== Internals =====

==== Documentation ====

  * [[internals:engine:objects|Objects]] on objects (handlers, internal class definition, creation and storage)
  * [[internals:engine|Zend Engine]]
  * [[internals:zend_mm|Zend Memory Manager]]
  * [[internals:review_comments|Common comments from reviewing PECL proposals]]
  * [[internals:references|Reference materials]] (links to external resources/articles)
  * [[http://php.net/manual/en/internals2.php|PHP at the Core: A Hacker's Guide to the Zend Engine]] PHP Documentation; considered very incomplete

==== Platform Specific Instructions and Help ====

  * [[internals:windows|Windows]] specific development