Composer Tutorial (PHP Hampshire Sept 2013)
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Transcript of Composer Tutorial (PHP Hampshire Sept 2013)
ComposerA Lightning Talk by James Titcumb
● Your app depends on libraries● Maintenance - keeping up to date● Libraries depend on other libraries● Could result in conflicting code - MESS
The Problems
Guzzle Twig PSR-3
Pimple
nooooo!!!!!!
Nils Adermann (phpBB)Jordi Boggiano (SF2, Doctrine)
Say hello to...
What Does It Do?
● You tell it what libraries you want● Manages dependencies● Installs them (downloads them)● Creates an autoloader
Installing composer.phar
$ curl -sS https://getcomposer.org/installer | php
#!/usr/bin/env php
All settings correct for using Composer
Downloading...
Composer successfully installed to: composer.phar
Use it: php composer.phar
$
composer.json
{
"require": {
"php": ">= 5.3",
"symfony/console": "2.3.*"
}
}
Now Install$ php composer.phar install
Loading composer repositories with package information
Installing dependencies (including require-dev)
- Installing symfony/console (v2.3.4)
Downloading: 100%
Writing lock file
Generating autoload files
$
Where Did You Come From?
● Packagist - main repository
● You can make your own (Satis)
Autoloading!
index.php
<?php
require 'vendor/autoload.php';
// You can use your dependencies
// without requiring them all the time
use Symfony\Component\Console\Application;
60 seconds Live Demo (!)
● Download Composer● Create composer.json● Run Composer install● Write index.php
● It’s very simple● Magical dependencies (recursively)● You can make your own packages!● Composer autoloader rocks (PSR-0/4)● Simplifies deployment!
● Get it here:
Summary
getcomposer.org
Thanks!
@asgrimgithub.com/asgrim