<?php
/**
 * record logs file
 * @param <type> $lvevel
 * @param string $level
 * @http://www.
*/

define("YUC_LOG_TYPE", "1,2,3,4,5,6"); //日志级别
define("M_PRO_DIR", "./"); //日志目录
define("FILE_APPEND", 1); //是否追加

function Write($msg, $level) {
    $arr_level = explode()(',', YUC_LOG_TYPE);
    if (in_array($level, $arr_level)) {
        $record = date('Y-m-d H:m:s') . " >>> " . number_format(microtime(TRUE), 5, ".", "") . ' ' . " : " . $level . "\t" . $msg;
        $base = M_PRO_DIR . "/Log";
        $dest = $base . "/" . date("YmdH", time()) . 'log.php';
        if (!file_exists($dest)) {
            @mkdir($base, 0777, TRUE);
            @file_put_contents($dest, "<?php die('Access Defined!');?>\r\n", FILE_APPEND);
        }
        if (file_exists($dest)) {
            @file_put_contents($dest, $record . "\r\n", FILE_APPEND);
        }
    }
}

//调用示例
$msg = "www.---access logs--testing---";
write($msg, 2);
?>

<?php
/**
  *php设计模式 工厂模式
  *site http://www.
*/
class FruitFactory {
 private $history, $class, $constructor_args;
 /**
  * Create a factory of given class. Accepts extra arguments to be passed to
  * class constructor.
 */
 function __construct( $class ) {
    var_dump($args = func_get_args());
 
   $this->class = $class;//类名
   $this->constructor_args = array_slice( $args, 1 );//参数
 }
 
 function __call( $method, $args ) {
   $this->history[] = array(
   'action' => 'call',
   'method' => $method,
   'args'    => $args
  );
   var_dump($this->history);
 }
 
 function __set( $property, $value ) {
  $this->history[] = array(
  'action' => 'set',
  'property' => $property,
  'value' => $value
  );
 var_dump($this->history);
 }
 
 /**
  * Creates an instance and performs all operations that were done on this MagicFactory
  */
 function instance() {
  # use Reflection to create a new instance, using the $args
  $reflection_object = new ReflectionClass( $this->class );
  $object = $reflection_object->newInstanceArgs( $this->constructor_args );
 
 
  foreach( $this->history as $item ) {
  if( $item['action'] == 'call' ) { 
     //运行实例的方法
     call_user_func_array( array( $object, $item['method'] ), $item['args'] );
  }//属性赋值
  if( $item['action'] == 'set' ) {
     $object->{$item['property']} = $item['value'];
  }
  }
 
  # Done
  return $object;
 }
 }
 
 class Fruit {
    private $name, $color;
    public $price;
 
 function __construct( $name, $color ) {
    $this->name = $name;
    $this->color = $color;
 }
 
 function setName( $name ) {
    $this->name = $name;
 }
 
 function introduce() {
    print "Hello, this is an {$this->name} {$this->color}, its price is {$this->price} RMB.";
 }
 }
 
 # Setup a factory
 $fruit_factory = new FruitFactory('Fruit', 'Apple', 'Gonn');
 $fruit_factory->setName('Apple');
 $fruit_factory->price = 2;
 
 # Get an instance
 $apple = $fruit_factory->instance();
 $apple->introduce();
 ?>

<?php
/**
* php设计模式 单例模式
* site http://www.
*/
class Fruit {   
    private static $instanceMap = array();
    //protected getter for singleton instances
protected static function getSingleton($className)
{
   //保证单例模式 并且不能从控制器实例化和克隆
   if(!isset()(self::$instanceMap[$className]))
   {
       $object = new $className;
       //Make sure this object inherit from Singleton
       if($object instanceof Fruit)
    {   
           self::$instanceMap[$className] = $object;
           var_dump($object);
        }
            else
    {
                throw SingletonException("Class '$className' do not inherit from Singleton!");
            }
        }
        return self::$instanceMap[$className];
    }   
   
    //protected constructor to prevent outside instantiation
    protected function __construct(){
    }
   
    //denie cloning of singleton objects
    public final function __clone(){
        trigger_error('It is impossible to clone singleton', E_USER_ERROR);
    }   
}

class Apple extends Fruit {   
    protected $rndId;
   
    public function __construct(){
        $this->rndId = rand();
    }   
   
    public function whatAmI(){
        echo 'I am a Apple('.$this->rndId.')<br />';
    }
    public static function getInstance(){
   //echo get_class();
        return Fruit::getSingleton(get_class());
    }
}
class GreenApple extends Apple {
    public function whatAmI(){
        echo 'I am a GreenApple('.$this->rndId.')<br />';
    }
   
    public static function getInstance(){
        return Fruit::getSingleton(get_class());
    }
}
$apple1 = Apple::getInstance();
//var_dump($apple1);
$apple2 = GreenApple::getInstance();
$apple1->whatAmI();// should echo 'I am a Apple(some number)
$apple2->whatAmI();// should echo 'I am a GreenApple(some number)
$apple1 = Apple::getInstance();
$apple2 = GreenApple::getInstance();
//保证单例模式
$apple1->whatAmI();// should echo 'I am a Apple(same number as above)
$apple2->whatAmI();// should echo 'I am a GreenApple(same number as above)
// $a = clone $apple1;// this should fail
// $b = clone $apple2;// this should fail
?>