# PhpDocReader
![](https://img.shields.io/packagist/dt/PHP-DI/phpdoc-reader.svg)
This project is used by:
- [PHP-DI 6](http://php-di.org/)
- [phockito-unit-php-di](https://github.com/balihoo/phockito-unit-php-di)
Fork the README to add your project here.
## Features
PhpDocReader parses `@var` and `@param` values in PHP docblocks:
```php
use My\Cache\Backend;
class Cache
{
/**
* @var Backend
*/
protected $backend;
/**
* @param Backend $backend
*/
public function __construct($backend)
{
}
}
```
It supports namespaced class names with the same resolution rules as PHP:
- fully qualified name (starting with `\`)
- imported class name (eg. `use My\Cache\Backend;`)
- relative class name (from the current namespace, like `SubNamespace\MyClass`)
- aliased class name (eg. `use My\Cache\Backend as FooBar;`)
Primitive types (`@var string`) are ignored (returns null), only valid class names are returned.
## Usage
```php
$reader = new PhpDocReader();
// Read a property type (@var phpdoc)
$property = new ReflectionProperty($className, $propertyName);
$propertyClass = $reader->getPropertyClass($property);
// Read a parameter type (@param phpdoc)
$parameter = new ReflectionParameter(array($className, $methodName), $parameterName);
$parameterClass = $reader->getParameterClass($parameter);
```