The PHP Ternary Operator: Fast or not? |Articles - Fabien Potencier
People like micro-optimizations. They are easy to understand, easy to apply... and useless. But some time ago, while reviewing pull requests for Twig, I read an interesting discussion about the performance of the ternary operator in PHP (thanks to @nikic for the investigation). Do you know which following snippet is the fastest (of course, they do exactly the same)? // snippet 1 $tmp = isset($cont
Parsing XML documents with CSS selectors |Articles - Fabien Potencier
HTML and XML documents are the bread and butter of web developers. On a day to day basis, you probably create a lot of HTML documents. And odds are you also need to parse some from time to time: because you consume a web service and want to extract some information, or because you want to gather data from scraped web pages, or just because you want to write functional tests for a website. Retrievi
The state of YAML in PHP |Articles - Fabien Potencier
My first exposure to YAML was in 2001, back in the days when I was mainly working with Perl. Well, I was not using YAML per se at that time, but rather Data::Denter, a Perl library that provides data serialization/deserialization. I used this library mainly for debugging purposes. From its documentation: "It formats nested data structures in an indented fashion. It is optimized for human readabili
Templating Engines in PHP |Articles - Fabien Potencier
This blog post is not for the faint-hearted! Some people will strongly disagree with me and some others will probably want to kill me at the upcoming Zend Conference. And if starting an argument in the comments can help you feel better, please feel free to do so. If you want to have a more advanced discussion on this topic, vote for my talk at the Zend UnConference. So, you think PHP is a templati
Symfony Service Container: Using XML or YAML to describe Services |Articles - Fabien Potencier
Symfony Service Container: Using XML or YAML to describe Services This article is part of a series on Dependency Injection in general and on a lightweight implementation of a Container in PHP in particular: Part 1: What is Dependency Injection? Part 2: Do you need a Dependency Injection Container? Part 3: Introduction to the Symfony Service Container Part 4: Symfony Service Container: Using a Buil
Short URLs |Articles - Fabien Potencier
Websites like Twitter makes URL shortener services a must. Basically, they convert long URLs to shorter ones by assigning a mostly unique hash: The tinyurl.com service for example converts this URL http://www.symfony-project.org/blog/2009/02/18/dailymotion-powered-by-symfony to this shorter one http://tinyurl.com/css7s5. My main concern with URL shortening is that you loose all the meaning embedde
What is Dependency Injection? |Articles - Fabien Potencier
This article is part of a series on Dependency Injection in general and on a lightweight implementation of a Container in PHP in particular: Part 1: What is Dependency Injection? Part 2: Do you need a Dependency Injection Container? Part 3: Introduction to the Symfony Service Container Part 4: Symfony Service Container: Using a Builder to create Services Part 5: Symfony Service Container: Using XM
Do you need a Dependency Injection Container? |Articles - Fabien Potencier
This article is part of a series on Dependency Injection in general and on a lightweight implementation of a Container in PHP in particular: Part 1: What is Dependency Injection? Part 2: Do you need a Dependency Injection Container? Part 3: Introduction to the Symfony Service Container Part 4: Symfony Service Container: Using a Builder to create Services Part 5: Symfony Service Container: Using XM
Talk - Symfony 2 - Fabien Potencier
March 04, 2009 > June 04, 2009 Montreal / Canada - PHPQuebec Conference - 2009
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Talk - プロフェッショナルなウェブサ イトのためのフレームワーク - Fabien Potencier