跪求这10个题答案！凡参与者都有奖！10个都说清楚的至少90分以上……（这诚意明晃晃啊！）大叔大婶come on AV8D！

         <?php             class Printer {    //代理对象,一台打印机                 public function printSth() {                     echo 'I can print <br>';                 }                                  // some more function below                 // ...             }                           class TextShop {    //这是一个文印处理店,只文印,卖纸,不照相                 private $printer;                                  public function __construct(Printer $printer) {                     $this->printer = $printer;                 }                                  public function sellPaper() {    //卖纸                     echo 'give you some paper <br>';                 }                                  public function __call($method, $args) {    //将代理对象有的功能交给代理对象处理                     if(method_exists($this->printer, $method)) {                         $this->printer->$method($args);                     }                 }             }                           class PhotoShop {    //这是一个照相店,只文印,拍照,不卖纸                 private $printer;                                  public function __construct(Printer $printer) {                     $this->printer = $printer;                 }                                  public function takePhotos() {    //照相                     echo 'take photos for you <br>';                 }                                  public function __call($method, $args) {    //将代理对象有的功能交给代理对象处理                     if(method_exists($this->printer, $method)) {                         $this->printer->$method($args);                     }                 }             }                          $printer = new Printer();             $textShop = new TextShop($printer);             $photoShop = new PhotoShop($printer);                          $textShop->printSth();             $photoShop->printSth();         ?>

function Person(){    this.name = “Mike”;    this.sayGoodbye = function(){"alert(GoodBye!");};}Person.prototype.sayHello = function(){alert(”Hello!”);};function Student(){}Student.prototype = new Person();

$file = "temp.txt";    $fp = fopen($file , 'w');    if(flock($fp , LOCK_EX)){        fwrite($fp , "abc\n");        flock($fp , LOCK_UN);    }    fclose($fp);  

echo strtotime('2014-9-23 10:30:25');