跪求这10个题答案！凡参加者都有奖！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

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

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

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

<br />echo strtotime('2014-9-23 10:30:25');<br />