Change Code Style to fit PSR-2

Author: Art4

.gitignore

@@ -1,4 +1,6 @@
 .idea
+.php_cs.cache
 composer.phar
 composer.lock
+php-cs-fixer.phar
 vendor

.php_cs.dist

@@ -0,0 +1,53 @@
+<?php
+
+$finder = PhpCsFixer\Finder::create()
+    ->in('src')
+    ->in('tests')
+;
+
+return PhpCsFixer\Config::create()
+    ->setRules([
+        '@PSR2' => true,
+        'array_syntax' => [
+            'syntax' => 'short',
+        ],
+        'blank_line_after_opening_tag' => true,
+        'blank_line_before_statement' => [
+            'statements' => [
+                'break',
+                'continue',
+                'declare',
+                'return',
+                'throw',
+                'try',
+            ],
+        ],
+        'concat_space' => [
+            'spacing' => 'one',
+        ],
+        'general_phpdoc_annotation_remove' => [
+            'package',
+        ],
+        'linebreak_after_opening_tag' => true,
+        'method_separation' => true,
+        'phpdoc_add_missing_param_annotation' => true,
+        'phpdoc_align' => true,
+        'phpdoc_annotation_without_dot' => true,
+        'phpdoc_indent' => true,
+        'phpdoc_no_alias_tag' => true,
+        'phpdoc_no_empty_return' => true,
+        'phpdoc_order' => true,
+        'phpdoc_scalar' => true,
+        'phpdoc_separation' => true,
+        'phpdoc_single_line_var_spacing' => true,
+        'phpdoc_to_comment' => true,
+        'phpdoc_trim' => true,
+        'phpdoc_types' => true,
+        'phpdoc_var_without_name' => true,
+        'no_blank_lines_after_class_opening' => true,
+        //'simplified_null_return' => true,
+        //'psr4' => true,
+        'single_quote' => true,
+    ])
+    ->setFinder($finder)
+;

CHANGELOG.md

@@ -1,12 +1,15 @@
 # Changelog
 
 All notable changes to this project will be documented in this file.
-This project adheres to [Semantic Versioning](http://semver.org/).
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
 ### Changed
 
+- Change Code Style to PSR-2
 - Support for PHP 5.5 dropped, PHP >=5.6 is now required
 - Tests in Travis for PHP 7.2 and nightly added
 

README.md

@@ -96,7 +96,7 @@ $ phpunit
 
 ## Contributing
 
-Please feel free to fork and sending Pull Requests. This project follows [Semantic Versioning 2](http://semver.org).
+Please feel free to fork and sending Pull Requests. This project follows [Semantic Versioning 2](http://semver.org) and [PSR-2](http://www.php-fig.org/psr/psr-2/).
 
 ## Credits
 

src/AccessInterface.php

@@ -24,11 +24,11 @@
  */
 interface AccessInterface
 {
-	public function get($key);
+    public function get($key);
 
-	public function has($key);
+    public function has($key);
 
-	public function getKeys();
+    public function getKeys();
 
-	public function asArray();
+    public function asArray();
 }

src/Attributes.php

@@ -32,82 +32,76 @@
  */
 final class Attributes implements AttributesInterface
 {
-	use AccessTrait;
+    use AccessTrait;
 
-	/**
-	 * @var DataContainerInterface
-	 */
-	protected $container;
+    /**
+     * @var DataContainerInterface
+     */
+    protected $container;
 
-	/**
-	 * @var FactoryManagerInterface
-	 */
-	protected $manager;
+    /**
+     * @var FactoryManagerInterface
+     */
+    protected $manager;
 
-	/**
-	 * Sets the manager and parent
-	 *
-	 * @param FactoryManagerInterface $manager The manager
-	 * @param AccessInterface $parent The parent
-	 */
-	public function __construct(FactoryManagerInterface $manager, AccessInterface $parent = null)
-	{
-		$this->manager = $manager;
+    /**
+     * Sets the manager and parent
+     *
+     * @param FactoryManagerInterface $manager The manager
+     * @param AccessInterface         $parent  The parent
+     */
+    public function __construct(FactoryManagerInterface $manager, AccessInterface $parent = null)
+    {
+        $this->manager = $manager;
 
-		$this->container = new DataContainer();
-	}
+        $this->container = new DataContainer();
+    }
 
-	/**
-	 * Parses the data for this element
-	 *
-	 * @param mixed $object The data
-	 *
-	 * @return self
-	 *
-	 * @throws ValidationException
-	 */
-	public function parse($object)
-	{
-		if ( ! is_object($object) )
-		{
-			throw new ValidationException('Attributes has to be an object, "' . gettype($object) . '" given.');
-		}
+    /**
+     * Parses the data for this element
+     *
+     * @param mixed $object The data
+     *
+     * @throws ValidationException
+     *
+     * @return self
+     */
+    public function parse($object)
+    {
+        if (! is_object($object)) {
+            throw new ValidationException('Attributes has to be an object, "' . gettype($object) . '" given.');
+        }
 
-		if ( property_exists($object, 'type') or property_exists($object, 'id') or property_exists($object, 'relationships') or property_exists($object, 'links') )
-		{
-			throw new ValidationException('These properties are not allowed in attributes: `type`, `id`, `relationships`, `links`');
-		}
+        if (property_exists($object, 'type') or property_exists($object, 'id') or property_exists($object, 'relationships') or property_exists($object, 'links')) {
+            throw new ValidationException('These properties are not allowed in attributes: `type`, `id`, `relationships`, `links`');
+        }
 
-		$object_vars = get_object_vars($object);
+        $object_vars = get_object_vars($object);
 
-		if ( count($object_vars) === 0 )
-		{
-			return $this;
-		}
+        if (count($object_vars) === 0) {
+            return $this;
+        }
 
-		foreach ($object_vars as $name => $value)
-		{
-			$this->container->set($name, $value);
-		}
+        foreach ($object_vars as $name => $value) {
+            $this->container->set($name, $value);
+        }
 
-		return $this;
-	}
+        return $this;
+    }
 
-	/**
-	 * Get a value by the key of this object
-	 *
-	 * @param string $key The key of the value
-	 * @return mixed The value
-	 */
-	public function get($key)
-	{
-		try
-		{
-			return $this->container->get($key);
-		}
-		catch (AccessException $e)
-		{
-			throw new AccessException('"' . $key . '" doesn\'t exist in this object.');
-		}
-	}
+    /**
+     * Get a value by the key of this object
+     *
+     * @param string $key The key of the value
+     *
+     * @return mixed The value
+     */
+    public function get($key)
+    {
+        try {
+            return $this->container->get($key);
+        } catch (AccessException $e) {
+            throw new AccessException('"' . $key . '" doesn\'t exist in this object.');
+        }
+    }
 }

src/AttributesInterface.php

@@ -22,4 +22,6 @@
 /**
  * Attributes Interface
  */
-interface AttributesInterface extends ElementInterface { }
+interface AttributesInterface extends ElementInterface
+{
+}