82 lines
1.4 KiB
PHP
82 lines
1.4 KiB
PHP
<?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)
|
|
{
|
|
list($file, $key) = static::parse($key);
|
|
|
|
static::load($file);
|
|
|
|
return (array_key_exists($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, $value)
|
|
{
|
|
list($file, $key) = static::parse($key);
|
|
|
|
static::load($file);
|
|
|
|
static::$items[$file][$key] = $value;
|
|
}
|
|
|
|
/**
|
|
* Parse a configuration key.
|
|
*
|
|
* @param string $key
|
|
* @return array
|
|
*/
|
|
private static function parse($key)
|
|
{
|
|
$segments = explode('.', $key);
|
|
|
|
if (count($segments) < 2)
|
|
{
|
|
throw new \Exception("Invalid configuration key [$key].");
|
|
}
|
|
|
|
return array($segments[0], implode('.', array_slice($segments, 1)));
|
|
}
|
|
|
|
/**
|
|
* Load all of the configuration items.
|
|
*
|
|
* @param string $file
|
|
* @return void
|
|
*/
|
|
public static function load($file)
|
|
{
|
|
if (array_key_exists($file, static::$items))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ( ! file_exists($path = APP_PATH.'config/'.$file.EXT))
|
|
{
|
|
throw new \Exception("Configuration file [$file] does not exist.");
|
|
}
|
|
|
|
static::$items[$file] = require $path;
|
|
}
|
|
|
|
} |