PHP 5.4.0 is now available

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Ah the smell of fresh code!

After an lengthy beta cycle – 8 Release candidates – it was announced today that PHP 5.4.0 is now the current stable release.

This release of PHP includes:

  • Traits
  • Short Array Syntax
  • JsonSerializable interface
  • Dereferencing Arrays
  • Better performance
  • Better memory management
  • Over 100 bug fixes
  • and the TLC of hundreds of developers and testers

You can download the source from

You can download the Windows binaries from

If you are currently running PHP 5.3, here is a link to the PHP 5.4 Migration Guide.

Thank you!

  • If you are a core developer who worked on this release
  • If you submitted a patch
  • If you downloaded one of the RCs and ran make test
  • If you worked to get the manual up to date

If you had a hand in making the latest version of PHP, from all of us who use PHP, THANK YOU!

Not to single any one person out because PHP is a cooperative effort, but thanks to both David Soria Parra and Stas Malyshev for being the release managers for PHP 5.4.

Well what are you waiting for? Go download and install!


About Cal Evans

Many moons ago, at the tender age of 14, Cal touched his first computer. (We're using the term "computer" loosely here, it was a TRS-80 Model 1) Since then his life has never been the same. He graduated from TRS-80s to Commodores and eventually to IBM PCs.   For the past 10 years, Cal has worked with PHP and MySQL on Linux OSX, and when necessary, Windows. He has built on a variety of projects ranging in size from simple web pages to multi-million dollar web applications. When not banging his head on his monitor, attempting a blood sacrifice to get a particular piece of code working, he enjoys building and managing development teams using his widely imitated but never patented management style of "management by wandering around". Cal is happily married to wife 1.33, the lovely and talented Kathy. Together they have 2 kids who were both bright enough not to pursue a career in IT. Cal blogs at and is the founder and host of Nomad PHP