initial commit of laravel!

system/config.php

@@ -0,0 +1,118 @@
+<?php namespace System;
+
+class Config {
+
+	/**
+	 * All of the loaded configuration items.
+	 *
+	 * @var array
+	 */
+	private static $items = array();
+
+	/**
+	 * Get a configuration item.
+	 *
+	 * @param  string  $key
+	 * @return mixed
+	 */
+	public static function get($key)
+	{
+		// ---------------------------------------------
+		// Parse the configuration key.
+		// ---------------------------------------------
+		list($file, $key) = static::parse($key);
+
+		// ---------------------------------------------
+		// Load the configuration file.
+		// ---------------------------------------------
+		static::load($file);
+
+		// ---------------------------------------------
+		// Return the requested item.
+		// ---------------------------------------------
+		return (array_key_exists($key, static::$items[$file])) ? static::$items[$file][$key] : null;
+	}
+
+	/**
+	 * Set a configuration item.
+	 *
+	 * @param  string  $key
+	 * @param  mixed   $value
+	 * @return void
+	 */
+	public static function set($file, $value)
+	{
+		// ---------------------------------------------
+		// Parse the configuration key.
+		// ---------------------------------------------
+		list($file, $key) = static::parse($key);
+
+		// ---------------------------------------------
+		// Load the configuration file.
+		// ---------------------------------------------
+		static::load($file);
+
+		// ---------------------------------------------
+		// Set the item's value.
+		// ---------------------------------------------
+		static::$items[$file][$key] = $value;
+	}
+
+	/**
+	 * Parse a configuration key.
+	 *
+	 * @param  string  $key
+	 * @return array
+	 */
+	private static function parse($key)
+	{
+		// ---------------------------------------------
+		// Get the key segments.
+		// ---------------------------------------------
+		$segments = explode('.', $key);
+
+		// ---------------------------------------------
+		// Validate the key format.
+		// ---------------------------------------------
+		if (count($segments) < 2)
+		{
+			throw new \Exception("Invalid configuration key [$key].");
+		}
+
+		// ---------------------------------------------
+		// Return the file and item name.
+		// ---------------------------------------------
+		return array($segments[0], implode('.', array_slice($segments, 1)));
+	}
+
+	/**
+	 * Load all of the configuration items.
+	 *
+	 * @param  string  $file
+	 * @return void
+	 */
+	public static function load($file)
+	{
+		// ---------------------------------------------
+		// If the file has already been loaded, bail.
+		// ---------------------------------------------
+		if (array_key_exists($file, static::$items))
+		{
+			return;
+		}
+
+		// ---------------------------------------------
+		// Verify that the configuration file exists.
+		// ---------------------------------------------
+		if ( ! file_exists($path = APP_PATH.'config/'.$file.EXT))
+		{
+			throw new \Exception("Configuration file [$file] does not exist.");
+		}
+
+		// ---------------------------------------------
+		// Load the configuration file.
+		// ---------------------------------------------
+		static::$items[$file] = require $path;
+	}
+
+}