brightnucleus / config

src/ConfigTrait.php

Spacing +1 added lines, -1 removed lines

@@ -139,7 +139,7 @@
     {
         $configFile = method_exists($this, 'getDefaultConfigFile')
             ? $this->getDefaultConfigFile()
-            : __DIR__ . '/../config/defaults.php';
+            : __DIR__.'/../config/defaults.php';
 
         return $this->fetchConfig($configFile);
     }

Indentation +160 added lines, -160 removed lines

@@ -25,164 +25,164 @@
 trait ConfigTrait
 {
 
-    /**
-     * Reference to the Config object.
-     *
-     * @since 0.1.2
-     *
-     * @var ConfigInterface
-     */
-    protected $config;
-
-    /**
-     * Process the passed-in configuration file.
-     *
-     * @since 0.1.2
-     *
-     * @param ConfigInterface $config The Config to process.
-     * @param                 string  ... List of keys.
-     *
-     * @throws FailedToProcessConfigException If the arguments could not be parsed into a Config.
-     */
-    protected function processConfig(ConfigInterface $config)
-    {
-        if (func_num_args() > 1) {
-            try {
-                $keys = func_get_args();
-                array_shift($keys);
-                $config = $config->getSubConfig($keys);
-            } catch (Exception $exception) {
-                throw new FailedToProcessConfigException(
-                    sprintf(
-                        _('Could not process the config with the arguments "%1$s".'),
-                        print_r(func_get_args(), true)
-                    )
-                );
-            }
-        }
-        $this->config = $config;
-    }
-
-    /**
-     * Check whether the Config has a specific key.
-     *
-     * To get a value several levels deep, add the keys for each level as a comma-separated list.
-     *
-     * @since 0.1.2
-     * @since 0.1.5 Accepts list of keys.
-     *
-     * @param string|array $_ List of keys.
-     *
-     * @return bool Whether the key is known.
-     */
-    protected function hasConfigKey($_)
-    {
-        $keys = func_get_args();
-
-        return $this->config->hasKey($keys);
-    }
-
-    /**
-     * Get the Config value for a specific key.
-     *
-     * To get a value several levels deep, add the keys for each level as a comma-separated list.
-     *
-     * @since 0.1.2
-     * @since 0.1.5 Accepts list of keys.
-     *
-     * @param string|array $_ List of keys.
-     *
-     * @return mixed Value of the key.
-     */
-    protected function getConfigKey($_)
-    {
-        $keys = func_get_args();
-
-        return $this->config->getKey($keys);
-    }
-
-    /**
-     * Get the callable Config value for a specific key.
-     *
-     * If the fetched value is indeed a callable, it will be executed with the provided arguments, and the resultant
-     * value will be returned instead.
-     *
-     * @since 0.4.8
-     *
-     * @param string|array $key  Key or array of nested keys.
-     * @param array        $args Optional. Array of arguments to pass to the callable.
-     *
-     * @return mixed Resultant value of the key's callable.
-     */
-    protected function getConfigCallable($key, array $args = [])
-    {
-        $value = $this->config->getKey($key);
-
-        if (is_callable($value)) {
-            $value = $value(...$args);
-        }
-
-        return $value;
-    }
-
-    /**
-     * Get a (multi-dimensional) array of all the configuration settings.
-     *
-     * @since 0.1.4
-     *
-     * @return array All the configuration settings.
-     */
-    protected function getConfigArray()
-    {
-        return $this->config->getAll();
-    }
-
-    /**
-     * Get an array of all the keys that are known by the Config.
-     *
-     * @since 0.1.2
-     *
-     * @return array Array of strings containing all the keys.
-     */
-    protected function getConfigKeys()
-    {
-        return $this->config->getKeys();
-    }
-
-    /**
-     * Get a default configuration in case none was injected into the constructor.
-     *
-     * The name and path of the configuration needs to be set as a const called DEFAULT_CONFIG within the class
-     * containing the trait. The path needs to be relative to the location of the containing class file.
-     *
-     * @since 0.4.2
-     *
-     * @return ConfigInterface Configuration settings to use.
-     */
-    protected function fetchDefaultConfig()
-    {
-        $configFile = method_exists($this, 'getDefaultConfigFile')
-            ? $this->getDefaultConfigFile()
-            : __DIR__ . '/../config/defaults.php';
-
-        return $this->fetchConfig($configFile);
-    }
-
-    /**
-     * Get a configuration from a specified $file.
-     *
-     * If file is not accessible or readable, returns an empty Config.
-     *
-     * @since 0.4.2
-     *
-     * @return ConfigInterface Configuration settings to use.
-     */
-    protected function fetchConfig($configFile)
-    {
-        if (is_string($configFile) && ! is_readable($configFile)) {
-            $configFile = [];
-        }
-
-        return ConfigFactory::create($configFile);
-    }
+	/**
+	 * Reference to the Config object.
+	 *
+	 * @since 0.1.2
+	 *
+	 * @var ConfigInterface
+	 */
+	protected $config;
+
+	/**
+	 * Process the passed-in configuration file.
+	 *
+	 * @since 0.1.2
+	 *
+	 * @param ConfigInterface $config The Config to process.
+	 * @param                 string  ... List of keys.
+	 *
+	 * @throws FailedToProcessConfigException If the arguments could not be parsed into a Config.
+	 */
+	protected function processConfig(ConfigInterface $config)
+	{
+		if (func_num_args() > 1) {
+			try {
+				$keys = func_get_args();
+				array_shift($keys);
+				$config = $config->getSubConfig($keys);
+			} catch (Exception $exception) {
+				throw new FailedToProcessConfigException(
+					sprintf(
+						_('Could not process the config with the arguments "%1$s".'),
+						print_r(func_get_args(), true)
+					)
+				);
+			}
+		}
+		$this->config = $config;
+	}
+
+	/**
+	 * Check whether the Config has a specific key.
+	 *
+	 * To get a value several levels deep, add the keys for each level as a comma-separated list.
+	 *
+	 * @since 0.1.2
+	 * @since 0.1.5 Accepts list of keys.
+	 *
+	 * @param string|array $_ List of keys.
+	 *
+	 * @return bool Whether the key is known.
+	 */
+	protected function hasConfigKey($_)
+	{
+		$keys = func_get_args();
+
+		return $this->config->hasKey($keys);
+	}
+
+	/**
+	 * Get the Config value for a specific key.
+	 *
+	 * To get a value several levels deep, add the keys for each level as a comma-separated list.
+	 *
+	 * @since 0.1.2
+	 * @since 0.1.5 Accepts list of keys.
+	 *
+	 * @param string|array $_ List of keys.
+	 *
+	 * @return mixed Value of the key.
+	 */
+	protected function getConfigKey($_)
+	{
+		$keys = func_get_args();
+
+		return $this->config->getKey($keys);
+	}
+
+	/**
+	 * Get the callable Config value for a specific key.
+	 *
+	 * If the fetched value is indeed a callable, it will be executed with the provided arguments, and the resultant
+	 * value will be returned instead.
+	 *
+	 * @since 0.4.8
+	 *
+	 * @param string|array $key  Key or array of nested keys.
+	 * @param array        $args Optional. Array of arguments to pass to the callable.
+	 *
+	 * @return mixed Resultant value of the key's callable.
+	 */
+	protected function getConfigCallable($key, array $args = [])
+	{
+		$value = $this->config->getKey($key);
+
+		if (is_callable($value)) {
+			$value = $value(...$args);
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Get a (multi-dimensional) array of all the configuration settings.
+	 *
+	 * @since 0.1.4
+	 *
+	 * @return array All the configuration settings.
+	 */
+	protected function getConfigArray()
+	{
+		return $this->config->getAll();
+	}
+
+	/**
+	 * Get an array of all the keys that are known by the Config.
+	 *
+	 * @since 0.1.2
+	 *
+	 * @return array Array of strings containing all the keys.
+	 */
+	protected function getConfigKeys()
+	{
+		return $this->config->getKeys();
+	}
+
+	/**
+	 * Get a default configuration in case none was injected into the constructor.
+	 *
+	 * The name and path of the configuration needs to be set as a const called DEFAULT_CONFIG within the class
+	 * containing the trait. The path needs to be relative to the location of the containing class file.
+	 *
+	 * @since 0.4.2
+	 *
+	 * @return ConfigInterface Configuration settings to use.
+	 */
+	protected function fetchDefaultConfig()
+	{
+		$configFile = method_exists($this, 'getDefaultConfigFile')
+			? $this->getDefaultConfigFile()
+			: __DIR__ . '/../config/defaults.php';
+
+		return $this->fetchConfig($configFile);
+	}
+
+	/**
+	 * Get a configuration from a specified $file.
+	 *
+	 * If file is not accessible or readable, returns an empty Config.
+	 *
+	 * @since 0.4.2
+	 *
+	 * @return ConfigInterface Configuration settings to use.
+	 */
+	protected function fetchConfig($configFile)
+	{
+		if (is_string($configFile) && ! is_readable($configFile)) {
+			$configFile = [];
+		}
+
+		return ConfigFactory::create($configFile);
+	}
 }

src/Loader/JSONLoader.php

Spacing +2 added lines, -2 removed lines

@@ -58,7 +58,7 @@ 
             $data = json_decode(file_get_contents($uri), true);
             ob_end_clean();
 
-            return (array)$data;
+            return (array) $data;
         } catch (Exception $exception) {
             throw new FailedToLoadConfigException(
                 sprintf(
@@ -84,7 +84,7 @@ 
      */
     protected function validateUri($uri)
     {
-        if (! is_readable($uri)) {
+        if ( ! is_readable($uri)) {
             throw new FailedToLoadConfigException(
                 sprintf(
                     _('The requested JSON config file "%1$s" does not exist or is not readable.'),

Indentation +65 added lines, -65 removed lines

@@ -25,74 +25,74 @@
 class JSONLoader extends AbstractLoader
 {
 
-    /**
-     * Check whether the loader is able to load a given URI.
-     *
-     * @since 0.4.0
-     *
-     * @param string $uri URI to check.
-     *
-     * @return bool Whether the loader can load the given URI.
-     */
-    public static function canLoad($uri)
-    {
-        $path = pathinfo($uri);
+	/**
+	 * Check whether the loader is able to load a given URI.
+	 *
+	 * @since 0.4.0
+	 *
+	 * @param string $uri URI to check.
+	 *
+	 * @return bool Whether the loader can load the given URI.
+	 */
+	public static function canLoad($uri)
+	{
+		$path = pathinfo($uri);
 
-        return 'json' === mb_strtolower($path['extension']);
-    }
+		return 'json' === mb_strtolower($path['extension']);
+	}
 
-    /**
-     * Load the contents of an resource identified by an URI.
-     *
-     * @since 0.4.0
-     *
-     * @param string $uri URI of the resource.
-     *
-     * @return array|null Raw data loaded from the resource. Null if no data found.
-     * @throws FailedToLoadConfigException If the resource could not be loaded.
-     */
-    protected function loadUri($uri)
-    {
-        try {
-            ob_start();
-            $data = json_decode(file_get_contents($uri), true);
-            ob_end_clean();
+	/**
+	 * Load the contents of an resource identified by an URI.
+	 *
+	 * @since 0.4.0
+	 *
+	 * @param string $uri URI of the resource.
+	 *
+	 * @return array|null Raw data loaded from the resource. Null if no data found.
+	 * @throws FailedToLoadConfigException If the resource could not be loaded.
+	 */
+	protected function loadUri($uri)
+	{
+		try {
+			ob_start();
+			$data = json_decode(file_get_contents($uri), true);
+			ob_end_clean();
 
-            return (array)$data;
-        } catch (Exception $exception) {
-            throw new FailedToLoadConfigException(
-                sprintf(
-                    _('Could not include JSON config file "%1$s". Reason: "%2$s".'),
-                    $uri,
-                    $exception->getMessage()
-                ),
-                $exception->getCode(),
-                $exception
-            );
-        }
-    }
+			return (array)$data;
+		} catch (Exception $exception) {
+			throw new FailedToLoadConfigException(
+				sprintf(
+					_('Could not include JSON config file "%1$s". Reason: "%2$s".'),
+					$uri,
+					$exception->getMessage()
+				),
+				$exception->getCode(),
+				$exception
+			);
+		}
+	}
 
-    /**
-     * Validate and return the URI.
-     *
-     * @since 0.4.0
-     *
-     * @param string $uri URI of the resource to load.
-     *
-     * @return string Validated URI.
-     * @throws FailedToLoadConfigException If the URI does not exist or is not readable.
-     */
-    protected function validateUri($uri)
-    {
-        if (! is_readable($uri)) {
-            throw new FailedToLoadConfigException(
-                sprintf(
-                    _('The requested JSON config file "%1$s" does not exist or is not readable.'),
-                    $uri
-                )
-            );
-        }
+	/**
+	 * Validate and return the URI.
+	 *
+	 * @since 0.4.0
+	 *
+	 * @param string $uri URI of the resource to load.
+	 *
+	 * @return string Validated URI.
+	 * @throws FailedToLoadConfigException If the URI does not exist or is not readable.
+	 */
+	protected function validateUri($uri)
+	{
+		if (! is_readable($uri)) {
+			throw new FailedToLoadConfigException(
+				sprintf(
+					_('The requested JSON config file "%1$s" does not exist or is not readable.'),
+					$uri
+				)
+			);
+		}
 
-        return $uri;
-    }
+		return $uri;
+	}
 }

src/Loader/LoaderInterface.php

Indentation +21 added lines, -21 removed lines

@@ -22,26 +22,26 @@
 interface LoaderInterface
 {
 
-    /**
-     * Check whether the loader is able to load a given URI.
-     *
-     * @since 0.4.0
-     *
-     * @param string $uri URI to check.
-     *
-     * @return bool Whether the loader can load the given URI.
-     */
-    public static function canLoad($uri);
+	/**
+	 * Check whether the loader is able to load a given URI.
+	 *
+	 * @since 0.4.0
+	 *
+	 * @param string $uri URI to check.
+	 *
+	 * @return bool Whether the loader can load the given URI.
+	 */
+	public static function canLoad($uri);
 
-    /**
-     * Load the configuration from an URI.
-     *
-     * @since 0.4.0
-     *
-     * @param string $uri URI of the resource to load.
-     *
-     * @return array|null Data contained within the resource. Null if no data could be loaded/parsed.
-     * @throws FailedToLoadConfigException If the configuration could not be loaded.
-     */
-    public function load($uri);
+	/**
+	 * Load the configuration from an URI.
+	 *
+	 * @since 0.4.0
+	 *
+	 * @param string $uri URI of the resource to load.
+	 *
+	 * @return array|null Data contained within the resource. Null if no data could be loaded/parsed.
+	 * @throws FailedToLoadConfigException If the configuration could not be loaded.
+	 */
+	public function load($uri);
 }

src/ConfigFactory.php

Indentation +225 added lines, -225 removed lines

@@ -24,230 +24,230 @@
 class ConfigFactory
 {
 
-    /**
-     * Cached contents of the config files.
-     *
-     * @since 0.4.3
-     *
-     * @var array
-     */
-    protected static $configFilesCache = [];
-
-    /**
-     * Create a new ConfigInterface object from a file.
-     *
-     * If a comma-separated list of files is provided, they are checked in sequence until the first one could be loaded
-     * successfully.
-     *
-     * @since 0.3.0
-     *
-     * @param string|array $_ List of files.
-     *
-     * @return ConfigInterface Instance of a ConfigInterface implementation.
-     */
-    public static function createFromFile($_)
-    {
-        $files = array_reverse(func_get_args());
-
-        if (is_array($files[0])) {
-            $files = $files[0];
-        }
-
-        while (count($files) > 0) {
-            try {
-                $file = array_pop($files);
-
-                if (! is_string($file)) {
-                    continue;
-                }
+	/**
+	 * Cached contents of the config files.
+	 *
+	 * @since 0.4.3
+	 *
+	 * @var array
+	 */
+	protected static $configFilesCache = [];
+
+	/**
+	 * Create a new ConfigInterface object from a file.
+	 *
+	 * If a comma-separated list of files is provided, they are checked in sequence until the first one could be loaded
+	 * successfully.
+	 *
+	 * @since 0.3.0
+	 *
+	 * @param string|array $_ List of files.
+	 *
+	 * @return ConfigInterface Instance of a ConfigInterface implementation.
+	 */
+	public static function createFromFile($_)
+	{
+		$files = array_reverse(func_get_args());
+
+		if (is_array($files[0])) {
+			$files = $files[0];
+		}
+
+		while (count($files) > 0) {
+			try {
+				$file = array_pop($files);
+
+				if (! is_string($file)) {
+					continue;
+				}
                 
-                if (! is_readable($file)) {
-                    continue;
-                }
-
-                $config = static::createFromArray(
-                    static::getFromCache($file, function ($file) {
-                        return Loader::load($file);
-                    })
-                );
-
-                if (null === $config) {
-                    continue;
-                }
-
-                return $config;
-            } catch (Exception $exception) {
-                // Fail silently and try next file.
-            }
-        }
-
-        return static::createFromArray([]);
-    }
-
-    /**
-     * Create a new ConfigInterface object from an array.
-     *
-     * @since 0.3.0
-     *
-     * @param array $array Array with configuration values.
-     *
-     * @return ConfigInterface Instance of a ConfigInterface implementation.
-     */
-    public static function createFromArray(array $array)
-    {
-        try {
-            return new Config($array);
-        } catch (Exception $exception) {
-            // Fail silently and try next file.
-        }
-
-        return null;
-    }
-
-    /**
-     * Create a new ConfigInterface object.
-     *
-     * Tries to deduce the correct creation method by inspecting the provided arguments.
-     *
-     * @since 0.3.0
-     *
-     * @param mixed $_ Array with configuration values.
-     *
-     * @return ConfigInterface Instance of a ConfigInterface implementation.
-     */
-    public static function create($_)
-    {
-        if (func_num_args() < 1) {
-            return static::createFromArray([]);
-        }
-
-        $arguments = func_get_args();
-
-        if (is_array($arguments[0]) && func_num_args() === 1) {
-            return static::createFromArray($arguments[0]);
-        }
-
-        return static::createFromFile($arguments);
-    }
-
-    /**
-     * Create a new ConfigInterface object, by merging several files together.
-     *
-     * Duplicate keys in later files will override those in earlier files.
-     *
-     * @since 0.4.6
-     *
-     * @param mixed $_ Array with configuration values.
-     *
-     * @return ConfigInterface Instance of a ConfigInterface implementation.
-     */
-    public static function merge($_)
-    {
-        if (func_num_args() < 1) {
-            return static::createFromArray([]);
-        }
-
-        $arguments = func_get_args();
-
-        if (is_array($arguments[0]) && func_num_args() === 1) {
-            return static::createFromArray($arguments[0]);
-        }
-
-        return static::mergeFromFiles($arguments);
-    }
-
-    /**
-     * Create a new ConfigInterface object by merging data from several files.
-     *
-     * If a comma-separated list of files is provided, they are loaded in sequence and later files override settings in
-     * earlier files.
-     *
-     * @since 0.4.6
-     *
-     * @param string|array $_ List of files.
-     *
-     * @return ConfigInterface Instance of a ConfigInterface implementation.
-     */
-    public static function mergeFromFiles($_)
-    {
-        $files = array_reverse(func_get_args());
-        $data  = [];
-
-        if (is_array($files[0])) {
-            $files = array_reverse($files[0]);
-        }
-
-        while (count($files) > 0) {
-            try {
-                $file = array_pop($files);
-
-                if (! is_readable($file)) {
-                    continue;
-                }
-
-                $new_data = static::getFromCache($file, function ($file) {
-                    return Loader::load($file);
-                });
-
-                if (null === $data) {
-                    continue;
-                }
-
-                $data = array_replace_recursive($data, $new_data);
-            } catch (Exception $exception) {
-                // Fail silently and try next file.
-            }
-        }
-
-        return static::createFromArray($data);
-    }
-
-    /**
-     * Create a new ConfigInterface object from a file and return a sub-portion of it.
-     *
-     * The first argument needs to be the file name to load, and the subsequent arguments will be passed on to
-     * `Config::getSubConfig()`.
-     *
-     * @since 0.4.5
-     *
-     * @param mixed $_ File name of the config to load as a string, followed by an array of keys to pass to
-     *                 `Config::getSubConfig()`.
-     *
-     * @return ConfigInterface Instance of a ConfigInterface implementation.
-     */
-    public static function createSubConfig($_)
-    {
-        if (func_num_args() < 2) {
-            return static::createFromArray([]);
-        }
-
-        $arguments = func_get_args();
-        $file      = array_shift($arguments);
-
-        $config = static::createFromFile($file);
-
-        return $config->getSubConfig($arguments);
-    }
-
-    /**
-     * Get a config file from the config file cache.
-     *
-     * @since 0.4.4
-     *
-     * @param string $identifier Identifier to look for in the cache.
-     * @param mixed  $fallback   Fallback to use to fill the cache. If $fallback is a callable, it will be executed
-     *                           with $identifier as an argument.
-     *
-     * @return mixed The latest content of the cache for the given identifier.
-     */
-    protected static function getFromCache($identifier, $fallback)
-    {
-        if (! array_key_exists($identifier, static::$configFilesCache)) {
-            static::$configFilesCache[$identifier] = is_callable($fallback)
-                ? $fallback($identifier)
-                : $fallback;
-        }
-
-        return static::$configFilesCache[$identifier];
-    }
+				if (! is_readable($file)) {
+					continue;
+				}
+
+				$config = static::createFromArray(
+					static::getFromCache($file, function ($file) {
+						return Loader::load($file);
+					})
+				);
+
+				if (null === $config) {
+					continue;
+				}
+
+				return $config;
+			} catch (Exception $exception) {
+				// Fail silently and try next file.
+			}
+		}
+
+		return static::createFromArray([]);
+	}
+
+	/**
+	 * Create a new ConfigInterface object from an array.
+	 *
+	 * @since 0.3.0
+	 *
+	 * @param array $array Array with configuration values.
+	 *
+	 * @return ConfigInterface Instance of a ConfigInterface implementation.
+	 */
+	public static function createFromArray(array $array)
+	{
+		try {
+			return new Config($array);
+		} catch (Exception $exception) {
+			// Fail silently and try next file.
+		}
+
+		return null;
+	}
+
+	/**
+	 * Create a new ConfigInterface object.
+	 *
+	 * Tries to deduce the correct creation method by inspecting the provided arguments.
+	 *
+	 * @since 0.3.0
+	 *
+	 * @param mixed $_ Array with configuration values.
+	 *
+	 * @return ConfigInterface Instance of a ConfigInterface implementation.
+	 */
+	public static function create($_)
+	{
+		if (func_num_args() < 1) {
+			return static::createFromArray([]);
+		}
+
+		$arguments = func_get_args();
+
+		if (is_array($arguments[0]) && func_num_args() === 1) {
+			return static::createFromArray($arguments[0]);
+		}
+
+		return static::createFromFile($arguments);
+	}
+
+	/**
+	 * Create a new ConfigInterface object, by merging several files together.
+	 *
+	 * Duplicate keys in later files will override those in earlier files.
+	 *
+	 * @since 0.4.6
+	 *
+	 * @param mixed $_ Array with configuration values.
+	 *
+	 * @return ConfigInterface Instance of a ConfigInterface implementation.
+	 */
+	public static function merge($_)
+	{
+		if (func_num_args() < 1) {
+			return static::createFromArray([]);
+		}
+
+		$arguments = func_get_args();
+
+		if (is_array($arguments[0]) && func_num_args() === 1) {
+			return static::createFromArray($arguments[0]);
+		}
+
+		return static::mergeFromFiles($arguments);
+	}
+
+	/**
+	 * Create a new ConfigInterface object by merging data from several files.
+	 *
+	 * If a comma-separated list of files is provided, they are loaded in sequence and later files override settings in
+	 * earlier files.
+	 *
+	 * @since 0.4.6
+	 *
+	 * @param string|array $_ List of files.
+	 *
+	 * @return ConfigInterface Instance of a ConfigInterface implementation.
+	 */
+	public static function mergeFromFiles($_)
+	{
+		$files = array_reverse(func_get_args());
+		$data  = [];
+
+		if (is_array($files[0])) {
+			$files = array_reverse($files[0]);
+		}
+
+		while (count($files) > 0) {
+			try {
+				$file = array_pop($files);
+
+				if (! is_readable($file)) {
+					continue;
+				}
+
+				$new_data = static::getFromCache($file, function ($file) {
+					return Loader::load($file);
+				});
+
+				if (null === $data) {
+					continue;
+				}
+
+				$data = array_replace_recursive($data, $new_data);
+			} catch (Exception $exception) {
+				// Fail silently and try next file.
+			}
+		}
+
+		return static::createFromArray($data);
+	}
+
+	/**
+	 * Create a new ConfigInterface object from a file and return a sub-portion of it.
+	 *
+	 * The first argument needs to be the file name to load, and the subsequent arguments will be passed on to
+	 * `Config::getSubConfig()`.
+	 *
+	 * @since 0.4.5
+	 *
+	 * @param mixed $_ File name of the config to load as a string, followed by an array of keys to pass to
+	 *                 `Config::getSubConfig()`.
+	 *
+	 * @return ConfigInterface Instance of a ConfigInterface implementation.
+	 */
+	public static function createSubConfig($_)
+	{
+		if (func_num_args() < 2) {
+			return static::createFromArray([]);
+		}
+
+		$arguments = func_get_args();
+		$file      = array_shift($arguments);
+
+		$config = static::createFromFile($file);
+
+		return $config->getSubConfig($arguments);
+	}
+
+	/**
+	 * Get a config file from the config file cache.
+	 *
+	 * @since 0.4.4
+	 *
+	 * @param string $identifier Identifier to look for in the cache.
+	 * @param mixed  $fallback   Fallback to use to fill the cache. If $fallback is a callable, it will be executed
+	 *                           with $identifier as an argument.
+	 *
+	 * @return mixed The latest content of the cache for the given identifier.
+	 */
+	protected static function getFromCache($identifier, $fallback)
+	{
+		if (! array_key_exists($identifier, static::$configFilesCache)) {
+			static::$configFilesCache[$identifier] = is_callable($fallback)
+				? $fallback($identifier)
+				: $fallback;
+		}
+
+		return static::$configFilesCache[$identifier];
+	}
 }

Spacing +6 added lines, -6 removed lines

@@ -57,16 +57,16 @@ 
             try {
                 $file = array_pop($files);
 
-                if (! is_string($file)) {
+                if ( ! is_string($file)) {
                     continue;
                 }
                 
-                if (! is_readable($file)) {
+                if ( ! is_readable($file)) {
                     continue;
                 }
 
                 $config = static::createFromArray(
-                    static::getFromCache($file, function ($file) {
+                    static::getFromCache($file, function($file) {
                         return Loader::load($file);
                     })
                 );
@@ -181,11 +181,11 @@ 
             try {
                 $file = array_pop($files);
 
-                if (! is_readable($file)) {
+                if ( ! is_readable($file)) {
                     continue;
                 }
 
-                $new_data = static::getFromCache($file, function ($file) {
+                $new_data = static::getFromCache($file, function($file) {
                     return Loader::load($file);
                 });
 
@@ -242,7 +242,7 @@ 
      */
     protected static function getFromCache($identifier, $fallback)
     {
-        if (! array_key_exists($identifier, static::$configFilesCache)) {
+        if ( ! array_key_exists($identifier, static::$configFilesCache)) {
             static::$configFilesCache[$identifier] = is_callable($fallback)
                 ? $fallback($identifier)
                 : $fallback;

src/ConfigInterface.php

Indentation +88 added lines, -88 removed lines

@@ -27,100 +27,100 @@
 interface ConfigInterface extends IteratorAggregate, ArrayAccess, Serializable, Countable
 {
 
-    /**
-     * Creates a copy of the ArrayObject.
-     *
-     * Returns a copy of the array. When the ArrayObject refers to an object an
-     * array of the public properties of that object will be returned.
-     * This is implemented by \ArrayObject.
-     *
-     * @since 0.1.0
-     *
-     * @return array Copy of the array.
-     */
-    public function getArrayCopy();
+	/**
+	 * Creates a copy of the ArrayObject.
+	 *
+	 * Returns a copy of the array. When the ArrayObject refers to an object an
+	 * array of the public properties of that object will be returned.
+	 * This is implemented by \ArrayObject.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @return array Copy of the array.
+	 */
+	public function getArrayCopy();
 
-    /**
-     * Check whether the Config has a specific key.
-     *
-     * To check a value several levels deep, add the keys for each level as a comma-separated list.
-     *
-     * @since 0.1.0
-     * @since 0.1.4 Accepts list of keys.
-     *
-     * @param string $_ List of keys.
-     *
-     * @return bool
-     */
-    public function hasKey($_);
+	/**
+	 * Check whether the Config has a specific key.
+	 *
+	 * To check a value several levels deep, add the keys for each level as a comma-separated list.
+	 *
+	 * @since 0.1.0
+	 * @since 0.1.4 Accepts list of keys.
+	 *
+	 * @param string $_ List of keys.
+	 *
+	 * @return bool
+	 */
+	public function hasKey($_);
 
-    /**
-     * Get the value of a specific key.
-     *
-     * To get a value several levels deep, add the keys for each level as a comma-separated list.
-     *
-     * @since 0.1.0
-     * @since 0.1.4 Accepts list of keys.
-     *
-     * @param string $_ List of keys.
-     *
-     * @return mixed
-     */
-    public function getKey($_);
+	/**
+	 * Get the value of a specific key.
+	 *
+	 * To get a value several levels deep, add the keys for each level as a comma-separated list.
+	 *
+	 * @since 0.1.0
+	 * @since 0.1.4 Accepts list of keys.
+	 *
+	 * @param string $_ List of keys.
+	 *
+	 * @return mixed
+	 */
+	public function getKey($_);
 
-    /**
-     * Get a (multi-dimensional) array of all the configuration settings.
-     *
-     * @since 0.1.4
-     *
-     * @return array
-     */
-    public function getAll();
+	/**
+	 * Get a (multi-dimensional) array of all the configuration settings.
+	 *
+	 * @since 0.1.4
+	 *
+	 * @return array
+	 */
+	public function getAll();
 
-    /**
-     * Get the an array with all the keys
-     *
-     * @since 0.1.0
-     *
-     * @return mixed
-     */
-    public function getKeys();
+	/**
+	 * Get the an array with all the keys
+	 *
+	 * @since 0.1.0
+	 *
+	 * @return mixed
+	 */
+	public function getKeys();
 
-    /**
-     * Is the Config valid?
-     *
-     * @since 0.1.0
-     *
-     * @return boolean
-     */
-    public function isValid();
+	/**
+	 * Is the Config valid?
+	 *
+	 * @since 0.1.0
+	 *
+	 * @return boolean
+	 */
+	public function isValid();
 
-    /**
-     * Get a new config at a specific sub-level.
-     *
-     * @since 0.1.13
-     *
-     * @param string $_ List of keys.
-     *
-     * @return ConfigInterface
-     */
-    public function getSubConfig($_);
+	/**
+	 * Get a new config at a specific sub-level.
+	 *
+	 * @since 0.1.13
+	 *
+	 * @param string $_ List of keys.
+	 *
+	 * @return ConfigInterface
+	 */
+	public function getSubConfig($_);
 
-    /**
-     * Serialize the config.
-     *
-     * @since 0.1.13
-     *
-     * @return array
-     */
-    public function __serialize(): array;
+	/**
+	 * Serialize the config.
+	 *
+	 * @since 0.1.13
+	 *
+	 * @return array
+	 */
+	public function __serialize(): array;
 
-    /**
-     * Unserialize the config.
-     *
-     * @since 0.1.13
-     *
-     * @param array $data The data to unserialize.
-     */
-    public function __unserialize(array $data): void;
+	/**
+	 * Unserialize the config.
+	 *
+	 * @since 0.1.13
+	 *
+	 * @param array $data The data to unserialize.
+	 */
+	public function __unserialize(array $data): void;
 }