54 lines
2.1 KiB
Markdown
54 lines
2.1 KiB
Markdown
[<< previous](01-front-controller.md) | [next >>](03-error-handler.md)
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### Composer
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[Composer](https://getcomposer.org/) is a dependency manager for PHP.
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Just because you are not using a framework does not mean you will have to reinvent the wheel every time you want to do something. With Composer, you can install third-party libraries for your application.
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If you don't have Composer installed already, head over to the website and install it. You can find Composer packages for your project on [Packagist](https://packagist.org/).
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Create a new file in your project root folder called `composer.json`. This is the Composer configuration file that will be used to configure your project and its dependencies. It must be valid JSON or Composer will fail.
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Add the following content to the file:
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```json
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{
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"name": "Project name",
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"description": "Your project description",
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"keywords": ["Your keyword", "Another keyword"],
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"license": "MIT",
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"authors": [
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{
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"name": "Your Name",
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"email": "your@email.com",
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"role": "Creator / Main Developer"
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}
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],
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"require": {
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"php": ">=5.5.0"
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},
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"autoload": {
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"psr-4": {
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"Example\\": "src/"
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}
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}
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}
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```
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In the autoload part you can see that I am using the `Example` namespace for the project. You can use whatever fits your project there, but from now on I will always use the `Example` namespace in my examples. Just replace it with your namespace in your own code.
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Open a new console window and navigate into your project root folder. There run `composer update`.
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Composer creates a `composer.lock` file that locks in your dependencies and a vendor directory. To remove those from your Git repository, add a new file in your project root folder called `.gitignore` with the following content:
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```php
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composer.lock
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vendor/
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```
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This will exclude the included file and folder from your commits. For which now would be a good time, by the way.
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Now you have successfully created an empty playground which you can use to set up your project.
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[<< previous](01-front-controller.md) | [next >>](03-error-handler.md)
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