The PHP Group announced the early hours of the expected release version 5.4.0 of the programming language PHP . According to the development team, this new version represents a significant step forward in the 5.x series includes numerous new features and bug fixes.
The group has made available to users a migration guide from PHP 5.3 to PHP 5.4 which details the changes between two versions of the language.
Among the new features included are the following:
- Traits : A mechanism for reuse of code that attempts to meet the limitations of single inheritance
- An embedded web server : For testing as it develops without having to install an Apache or similar
- Improving performance and memory : This version significantly improves performance and memory consumption
- Correction of over one hundred bugs
Obviously there have been more improvements you can find in the file changelog
Source: The PHP Group