What are the differences between PHP 3 and PHP 4?

Here’s a list of some of the more important new features: Extended API module Generalized build process under Unix Generic web server interface that also supports multi-threaded web servers Improved syntax highlighter Native HTTP session support Output buffering support More powerful configuration system Reference counting Please see the » What’s new in PHP 4 overview for a detailed explanation of these features and more.

There are a couple of articles written on this by the authors of PHP 4. Here’s a list of some of the more important new features: • Extended API module • Generalized build process under Unix • Generic web server interface that also supports multi-threaded web servers • Improved syntax highlighter • Native HTTP session support • Output buffering support • More powerful configuration system • Reference counting Please see the What’s new in PHP 4 overview for a detailed explanation of these features and more. If you’re migrating from PHP 3 to PHP 4, also read the related appendix.

Here’s a list of some of the more important new features: • Extended API module • Generalized build process under Unix • Generic web server interface that also supports multi-threaded web servers • Improved syntax highlighter • Native HTTP session support • Output buffering support • More powerful configuration system • Reference counting Please see the What’s new in PHP 4 overview for a detailed explanation of these features and more. If you’re migrating from PHP 3 to PHP 4, also read the related appendix.

There are a couple of articles written on this by the authors of PHP 4. Here’s a list of some of the more important new features: • Extended API module • Generalized build process under Unix • Generic web server interface that also supports multi-threaded web servers • Improved syntax highlighter • Native HTTP session support • Output buffering support • More powerful configuration system • Reference counting Please see the What’s new in PHP 4 overview for a detailed explanation of these features and more. If you’re migrating from PHP 3 to PHP 4, also read the related appendix.