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What is PHP?

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.

Ever wondered how popular PHP is? see the Netcraft Survey.

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Upcoming Events [add]

March

User Group Events

04. SDPHP (San Diego, CA)
04. Hannover
04. Meetup Day
04. Omaha PHP Users Group Meetup
04. PHP London
04. The Houston PHP Users Group
04. Boston PHP Meetup
04. Atlanta PHP User Group
04. Manchester UK - PHP Group
04. Sydney PHP Group meetings
04. PHP UG Meetup Auckland
04. Seattle PHP Meetup Group
04. The Copenhagen PHP Meetup Group
04. SF PHP Meetup
04. Knoxville Python & PHP UG
04. Minnesota PHP User Group
05. Köln/Bonn
05. Iran PHP developer's meetup
06. Primeras Charlas del Grupo PHP
07. PHP meeting online in China
07. meeting de LAMPistas en La Paz
09. Hamburg
09. Dallas PHP/MySQL Users Group
09. Dallas PHP Users Group (DPUG)
09. Austin PHP Meetup
09. OKC PHP Meetup
09. Oklahoma City PHP User Group
09. Buffalo PHP Meetup
09. Working with Zend_Form
10. Wash DC PHP Developers Group
10. PHP User Group Stuttgart
10. Denver - FRPUG
11. Meeting usergroup Dortmund
11. PHP Usergroup Frankfurt/Main
11. Edinburgh PHP Users Group
13. PHP User Group Nanaimo, BC/CA
13. PEA meeting from phpchina
13. Nagpur PHP Meetup
14. Los Angeles PHP Developers Group
16. Madison PHP User's Group
16. PHP Brisbane Meetup Group
16. Nashville Enterprise LAMP UG
16. Chattanooga PHP Developers
17. Miami PHP User Group
17. Broward Php Usergroup
17. Nashville PHP Users Group
17. Chicago PHP User Group Brunch
17. Baltimore PHP User Group
18. TriPUG
18. OINK-PUG (Cincinnati, Ohio)
18. Utah PHP Users Group Meeting
18. NorfolkPHP
20. Kansas City
20. Miami Linux Users Group
20. Twin Cities PHP
20. Los Angeles LAMPsig
23. New York
23. AzPHP
23. DCPHP Beverage Subgroup
23. Brisbane PHP User Group
24. Colorado Springs - FRPUG
25. Arabic PHP Group Meeting
25. Malaysia PHP User Group Meet Up
25. Sandy PHP Group
27. Sacramento PHP Group
27. Miami Linux Meetup
27. PHP RIO Meetup
29. Long Island PHP Users Group
30. Malaysia PHP Meetup
30. PHP Usergroup Karlsruhe
30. PHPUG Wuerzburg
31. Irish PHP Users Group meeting

Training

04. Curso de PHP Avanzado en Bilbao
04. ZEND: Zend Studio on-line class
04. ZEND: Building Security into PHP
04. ZEND:(GERMAN) Zend Studio
04. ZEND:(Italian)Zend Studio online
04. ZEND:(Italian)Zend Server Online
06. PHP & AJAX -Construindo Websites
06. Core and Advanced PHP Workshop
07. Ahmedabad PHP Group Training
08. PHP para Expertos Curso on-line
08. Curso PHP y MySQL
08. ZEND: PHP I on-line class
08. ZEND: PHP II on-line class
08. ZEND: PHP I Foundations (i5)
08. ZEND: PHP I: Fundamentos
08. PHP I:Fondamenti Sviluppator i5
09. Zend PHP 5 Certification
10. UK Object Orientation Workshop
11. UK Smarty Templating Workshop
13. Разработка и инте
15. PHP & MySQL Training / Gießen
15. ZEND:Test Prep PHP5 Cert on-line
15. ZEND:Zend Framework online class
15. PHP for Exp Programmers (French)
15. Zend Framework: I Fondamenti
16. Cursos de PHP en Bilbao
17. PHP Development
18. Chennai PHP Training
22. PHP Intro Course South Africa
22. ZEND:(GERMAN) Zend Server
22. Linux Apache MySQL PHP/Montreal
22. PHP per Sviluppatori Esperti
22. PHP Training Philippines
23. UK PHP Training
25. PHP Brasil - Training
25. Разработка на PHP5
29. Basic PHP Course
29. TEST PREP: Certificazione PHP5

PHP 5.3.2 Release Announcement

The PHP development team is proud to announce the immediate release of PHP 5.3.2. This is a maintenance release in the 5.3 series, which includes a large number of bug fixes.

Security Enhancements and Fixes in PHP 5.3.2:

  • Improved LCG entropy. (Rasmus, Samy Kamkar)
  • Fixed safe_mode validation inside tempnam() when the directory path does not end with a /). (Martin Jansen)
  • Fixed a possible open_basedir/safe_mode bypass in the session extension identified by Grzegorz Stachowiak. (Ilia)

Key Bug Fixes in PHP 5.3.2 include:

  • Added support for SHA-256 and SHA-512 to php's crypt.
  • Added protection for $_SESSION from interrupt corruption and improved "session.save_path" check.
  • Fixed bug #51059 (crypt crashes when invalid salt are given).
  • Fixed bug #50940 Custom content-length set incorrectly in Apache sapis.
  • Fixed bug #50847 (strip_tags() removes all tags greater then 1023 bytes long).
  • Fixed bug #50723 (Bug in garbage collector causes crash).
  • Fixed bug #50661 (DOMDocument::loadXML does not allow UTF-16).
  • Fixed bug #50632 (filter_input() does not return default value if the variable does not exist).
  • Fixed bug #50540 (Crash while running ldap_next_reference test cases).
  • Fixed bug #49851 (http wrapper breaks on 1024 char long headers).
  • Over 60 other bug fixes.

For users upgrading from PHP 5.2 there is a migration guide available here, detailing the changes between those releases and PHP 5.3.

Further information and downloads:

For a full list of changes in PHP 5.3.2, see the ChangeLog. For source downloads please visit our downloads page, Windows binaries can be found on windows.php.net/download/.


PHP 5.2.13 Released!

The PHP development team would like to announce the immediate availability of PHP 5.2.13. This release focuses on improving the stability of the PHP 5.2.x branch with over 40 bug fixes, some of which are security related. All users of PHP 5.2 are encouraged to upgrade to this release.

Security Enhancements and Fixes in PHP 5.2.13:

  • Fixed safe_mode validation inside tempnam() when the directory path does not end with a /). (Martin Jansen)
  • Fixed a possible open_basedir/safe_mode bypass in session extension identified by Grzegorz Stachowiak. (Ilia)
  • Improved LCG entropy. (Rasmus, Samy Kamkar)

Further details about the PHP 5.2.13 release can be found in the release announcement, and the full list of changes are available in the ChangeLog.


Dutch PHP Conference

The Dutch PHP Conference is now in its 4th year and yet again promises a varied and inspiring few days of excellent technical content including Sebastian Bergmann, Kevlin Henney, Chris Shiflett, Ilia Alshanetsky and many other fascinating speakers and topics.

The event is held in Amsterdam from 10th to 12th June 2010, for more information see the website at http://phpconference.nl - we hope you can join us in Amsterdam in June!


ConFoo Web Techno Conference

PHP Quebec and the ConFoo team is pleased to announce the schedule of the ConFoo Web Techno Conference. With over 130 presentations in 8 rooms, ConFoo brings you the best of Web development.

The event will take place on March 8th to 12th in Montreal, at the prestigious Hilton Bonaventure Hotel.

Over 100 specialists will be present at the conference to share their knowledge during talks and training. Among them will be: Rasmus Lerdorf, Terry Chay, Chris Shiflett and Morgan Tocker

You would not want to miss the following presentations: HTML5: Where Are We Now? (Mark Pilgrim), Andrei's Regex Clinic (Andrei Zmievski), Security-Centered Design (Chris Shiflett) and Welcome to the Wild Wild Web (Carl Mercier)

Register online before January 22nd and save 200$!
Looking forward to see you at the conference.


PHP 5.2.12 Released!

The PHP development team would like to announce the immediate availability of PHP 5.2.12. This release focuses on improving the stability of the PHP 5.2.x branch with over 60 bug fixes, some of which are security related. All users of PHP 5.2 are encouraged to upgrade to this release.

Security Enhancements and Fixes in PHP 5.2.12:

  • Fixed a safe_mode bypass in tempnam() identified by Grzegorz Stachowiak. (CVE-2009-3557, Rasmus)
  • Fixed a open_basedir bypass in posix_mkfifo() identified by Grzegorz Stachowiak. (CVE-2009-3558, Rasmus)
  • Added "max_file_uploads" INI directive, which can be set to limit the number of file uploads per-request to 20 by default, to prevent possible DOS via temporary file exhaustion, identified by Bogdan Calin. (CVE-2009-4017, Ilia)
  • Added protection for $_SESSION from interrupt corruption and improved "session.save_path" check, identified by Stefan Esser. (CVE-2009-4143, Stas)
  • Fixed bug #49785 (insufficient input string validation of htmlspecialchars()). (CVE-2009-4142, Moriyoshi, hello at iwamot dot com)

Further details about the PHP 5.2.12 release can be found in the release announcement, and the full list of changes are available in the ChangeLog.


PHP UK Conference 2010

PHP London are pleased to announce the date, venue and registration availability of their 5th annual UK PHP conference, building on the success of previous events and accommodating the continual growth of the PHP community and PHP development industry.

The event takes place on Friday 26th February 2010 at the Business Design Centre in the Islington area of London. Information on the venue is available on our website.

Registration is now available, with an early bird discount of £20 putting the price at £100 (ex. UK VAT), available for the rest of December 2009, increasing to £110 during January 2010, whilst the standard £120 price is available now (for those that wish to significantly contribute towards the running of the conference) until either the event takes place or we run out of places - so register as soon as you can to get the best price and secure your place.

Feel free to create an account on the PHP UK Conference website at and sign-up for notifications of updates to the website.

Important announcements will also be made to the PHP London announcement mailing list - sign up at http://lists.phplondon.org/cgi-bin/mailman/listinfo/phplondon-announce - via which you may be receiving this message now, and you can also follow the conference on Twitter (@phpukconference - #phpuk2010) and be a fan on Facebook.

We expect to announce the initial line up of talks and speakers before Christmas, whilst potential sponsors/exhibitors can find information at http://www.phpconference.co.uk/sponsors and contact the conference committee using the form at http://www.phpconference.co.uk/contact.

We hope to see you at the event in 2010!


PHP 5.3.1 Released!

The PHP development team would like to announce the immediate availability of PHP 5.3.1. This release focuses on improving the stability of the PHP 5.3.x branch with over 100 bug fixes, some of which are security related. All users of PHP are encouraged to upgrade to this release.

Security Enhancements and Fixes in PHP 5.3.1:

  • Added "max_file_uploads" INI directive, which can be set to limit the number of file uploads per-request to 20 by default, to prevent possible DOS via temporary file exhaustion.
  • Added missing sanity checks around exif processing.
  • Fixed a safe_mode bypass in tempnam().
  • Fixed a open_basedir bypass in posix_mkfifo().
  • Fixed failing safe_mode_include_dir.

Further details about the PHP 5.3.1 release can be found in the release announcement, and the full list of changes are available in the ChangeLog.


PHP UK Conference 2010 Call For Papers

The main focus of the PHP UK conference is obviously the talks that are given, and so we hope to attract the best PHP speakers from around the world.

We are looking for talks relating to any non-basic aspect of the PHP programming language, be it mainstream, advanced, niche or non-technical.

Speakers will be invited to the pre-conference dinner, likely to be on Thursday February 25th 2010 and the post-conference social dinner after the event.

The deadline for this call for papers is the end of Saturday 31st October 2009.


International PHP Conference

With its mixture of topics the International PHP Conference provides an ideal resource for all professionals and their successful daily routine within the whole PHP spectrum. Insights into current Web 2.0 technologies, Security, Best Practices for tools and components, Enterprise know-how, databases, architectures and more are presented at the International PHP Conference 2009.

More than 30 Experts explain current trends and demonstrate how to make the most of your code and your business. They will answer your questions not only in the 40+ sessions and panel discussions but also during personal meetings.

And for the very first time ever, on Sunday, 15th November, the PHP community will warm up with our free IPC Unconference. This is the place, where YOU decide about the sessions - just pick your favorite topics and get in touch with some of our speakers and other developers.

Make use of this opportunity and make yourself a part of the worldwide PHP community – at the International PHP Conference 2009.


PHP World Kongress

On 24th and 25th of November you should not miss the lectures of the top speakers of the PHP Industry on Professional Software Development with PHP at Munich Conference Center.

10 international speakers offer you more than 20 hours of knowledge transfer in the topics "Development", "Tools & Technologies", "PHP 5 Certification", "TYPO3 Certification", "Search Engine Optimization" and "Design Patterns with PHP" on two days.

On November 24th, Pierre Joye from the PHP core team under Windows opens the congress with his keynote "PHP 5.3 and PHP 6". Amongst others topics include OOP, Web Application Security 2.0, SOAP in PHP and Zend Framework.

The 25th November is a workshop day aimed at expanding and deepening your knowledge in PHP 5 Certification, TYPO3 Certification, Search Engine Optimization and Design Patterns with PHP.

More detailed information is available on our website Twitter or in our group on Facebook.


Call for speaker ConFoo 2010

PHP Quebec, Montreal-Python, Ruby Montreal, W3Qc, and OWASP Montreal are organizing the first edition of the ConFoo.ca conference for Web technologies, which will be held in Montreal on March 10th through 12th, at the prestigious Hilton Bonaventure Hotel.

We are looking for the best international speakers willing to share their experience and skills with programmers, managers and marketers.

The conference is divided into two parts:

A technical part, encompassing different aspects of Web development: PHP, Python, Ruby, security, CMSs and frameworks, databases, systems administration, Web standards, accessibility and agile methods.

A management part: project management, referencing (SEO), Web marketing analysis, and social networking.

The call for papers is open until November 13th. For more information regarding the conference and call for speakers, visit the conference website at http://www.ConFoo.ca


PHP Barcelona Conference 2009

The PHP Barcelona User Group is proud to announce that the PHP Barcelona Conference 2009 is here, and it is arriving bigger than ever! Two days, three parallel tracks of talks and workshops, and some of the biggest names and companies in the industry covering the hottest subjects to date.

Come to Barcelona (Citilab) to see Rasmus Lerdorf, Fabien Potencier, Derick Rethans, Sebastian Bergmann and many more open the hood and expose the secrets of PHP and PHP related technologies that make the Internet what it is today, and that power what the Internet will be tomorrow. Discover the newest evolution of the most popular scripting language and its intimate bonding with security, stability and scalability, and how its integration with cutting edge technology make it one of the most powerful and state of the art building blocks for robust applications.

For more information about PHP Barcelona Conference 2009 and to register, please visit http://phpconference.es


PHP 5.2.11 Released!

The PHP development team would like to announce the immediate availability of PHP 5.2.11. This release focuses on improving the stability of the PHP 5.2.x branch with over 75 bug fixes, some of which are security related. All users of PHP 5.2 are encouraged to upgrade to this release.

Security Enhancements and Fixes in PHP 5.2.11:

  • Fixed certificate validation inside php_openssl_apply_verification_policy. (Ryan Sleevi, Ilia)
  • Fixed sanity check for the color index in imagecolortransparent(). (Pierre)
  • Added missing sanity checks around exif processing. (Ilia)
  • Fixed bug #44683 (popen crashes when an invalid mode is passed). (Pierre)

Further details about the PHP 5.2.11 release can be found in the release announcement, and the full list of changes are available in the ChangeLog.


ZendCon 2009!

The Zend PHP Conference 2009 (ZendCon) is the largest event of the PHP community and a unique opportunity to meet with PHP developers, web experts and IT managers. This year's conference will be held October 19- 22, 2009 in San Jose, California. It will bring together developers and business managers from around the world for three days of exceptional presentations and networking events.

At ZendCon 2009, sessions will focus on creating, deploying and managing applications that take advantage of the speed, scalability and simplicity of PHP. To find out more about ZendCon, see the full session listing, and register, visit http://zendcon.com/.


PHP TestFest 2009 Winners

A group of winners of PHP elePHPhants or TestFest mugs have been picked at random from the people that contributed the 887 tests during the 2009 PHP TestFest.

Winners of elePHPhants

  • Mark Schaschke TestFest London May 2009
  • Patrick Allaert Belgian PHP Testfest 2009
  • Rafael Dohms testfest PHPSP on 2009-06-20
  • Guilherme Blanco testfest PHPSP on 2009-06-20
  • Fabio Fabbrucci Italian PHP TestFest 2009 Cesena 19-20-21 june
  • Rodrigo Moyle testfest PHPSP on 2009-06-20
  • Edgar Ferreira da Silva testfest PHPSP on 2009-06-20
  • Marco Fabbri PHPTestFest Cesena Italia on 2009-06-20
  • Jason Easter Testfest 2009 2009-06-20
  • Simon Westcott PHPNW Testfest 2009

Winners of mugs

  • Tim Eggert Testfest Berlin 2009-05-09
  • Till Klampaeckel TestFest 2009
  • Havard Eide Norway 2009-06-09 \o/
  • Ŕlex Corretgé - Catalonia
  • Francesco Fullone TestFest Cesena Italia on 2009-06-20
  • Ivan Rosolen testfest PHPSP on 2009-06-20
  • Moritz Neuhaeuser Testfest Berlin 2009-05-10
  • Daniel Convissor TestFest 2009 NYPHP
  • Matt Raines testfest London 2009-05-09

Winners will be contacted shortly.

Once again a huge thank you! to everyone who helped to make this year's TestFest such an outstanding success!


PHP North West Conference

The PHP North West Conference has announced its return for a second year, to be held on Saturday 10th October 2009 in Manchester, UK. This is a one-day conference aimed at developers from the local region and further afield, with a deliberately low ticket price to ensure everyone who wants to attend can do so. We combine experienced speakers with some new local talent to bring an event that truly has something for everyone and a great buzz.

The official conference is on the Saturday but there are social events on Friday and Saturday and an informal schedule on Sunday, so come and make a weekend of it with us in Manchester! All the venues are in central Manchester and walkable from mainline public transport, so do join us.

There is a call for papers which runs until 16th August 2009 and the early bird ticket prices are fixed until September 10th. For more information, to submit a paper, to buy tickets, or to contact the organisers please visit the conference website.


Subversion Migration Complete

The migration from CVS to Subversion is complete. The web interface is at svn.php.net. You can read about it at php.net/svn.php, wiki.php.net/vcs/svnfaq. The URL to feed to your svn client is http://svn.php.net/repository.

There is also a github mirror. Please use that instead of trying to do a full git clone from the svn repository. See the instructions at wiki.php.net/vcs/svnfaq#git

Many thanks to Gwynne who did the bulk of the work and also all the other folks who pitched in. It was a major effort to move 14 years of CVS history to another RCS.


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