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Fabien Potencier's Blog:
Symfony Service Container The Need for Speed
April 03, 2009 @ 12:03:24

Fabien Potencier has posted another article about dependency injection and the Symfony service container. In this part of the series he looks at the "need for speed" - reducing the need for the XML/YAML parsing of the same information on every request via a new tool, the PHP dumper.

With the introduction of the XML and YAML configuration files, you might have became a bit sceptic about the performance of the container itself. Even if services are lazy loading, reading a bunch of XML or YAML files on each request and creating objects by using introspection is probably not very efficient in PHP. [...] How can you have the best of both world? That's quite simply. The Symfony Dependency Injection component provides yet another built-in dumper: a PHP dumper.

The dumper lets you convert the service container into regular PHP code (expanding the container's functionality out into a Container class based on the XML/YAML configuration.

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