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<?php |
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|
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/** |
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* Config files loader |
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*/ |
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|
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class VP_Util_Config |
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{ |
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|
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private static $_instance; |
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|
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private $_configs; |
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|
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private function __construct() |
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{ |
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$this->_configs = array(); |
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} |
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|
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public static function instance() |
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{ |
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if (is_null(self::$_instance)) |
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{ |
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self::$_instance = new self(); |
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} |
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return self::$_instance; |
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} |
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|
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|
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public function load($config_name, $key = '') |
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{ |
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// get the config, try to get in memory cache |
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if (array_key_exists($config_name, $this->_configs)) |
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{ |
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$config = $this->_configs[$config_name]; |
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} |
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else |
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{ |
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if(is_file(VP_CONFIG_DIR . '/'. $config_name . '.php')) |
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{ |
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$config = require VP_CONFIG_DIR . '/'. $config_name . '.php'; |
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} |
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else |
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{ |
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throw new Exception("$config_name file not found.\n", 1); |
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} |
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// cache 'em |
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$this->_configs[$config_name] = $config; |
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} |
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|
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// if key supplied, get the specific index of config array |
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$temp = $config; |
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if($key !== '') |
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{ |
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$keys = explode('.', $key); |
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foreach ($keys as $key) |
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{ |
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$temp = $temp[$key]; |
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} |
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} |
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return $temp; |
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} |
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|
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} |
