{"id":233,"title":"php\u9b54\u672f\u65b9\u6cd5","good":0,"bad":0,"hit":2366,"created_at":"2016-05-21 15:34:49","content":"<p>&lt;?php<br\/>\/*<br\/> * php\u9b54\u672f\u65b9\u6cd5<br\/> *\/<br\/><br\/>class test{<br\/><br\/> &nbsp; &nbsp;public $name=&#39;hr&#39;;<br\/> &nbsp; &nbsp;private $rate;\/\/\u6c47\u7387<br\/> &nbsp; &nbsp;public $content;<br\/><br\/> &nbsp; &nbsp;public function __construct($string=null)<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;$this-&gt;content=$string;<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;\u5bf9\u8c61\u88ab\u5b9e\u4f8b\u5316\u524d\u8c03\u7528__construct()&lt;hr\/&gt;&#39;;<br\/> &nbsp; &nbsp;}<br\/><br\/> &nbsp; &nbsp;public function __toString()<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;return &#39;\u5f53\u5bf9\u50cf\u88ab\u5f53\u505a\u5b57\u7b26\u4e32\u65f6\uff0c\u81ea\u52a8\u8c03\u7528___toString\u65b9\u6cd5&lt;hr\/&gt;&#39;;\/\/\u8981\u7528return \u8fd4\u56de<br\/> &nbsp; &nbsp;}<br\/><br\/> &nbsp; &nbsp;public function __invoke()<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;\u5f53\u5bf9\u8c61\u88ab\u5f53\u6210\u65b9\u6cd5\u65f6\uff0c\u81ea\u52a8\u8c03\u7528__invoke\u65b9\u6cd5&lt;hr\/&gt;&#39;;<br\/> &nbsp; &nbsp;}<br\/> &nbsp; &nbsp;public function __call($name, $arguments)<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;\u5f53\u5bf9\u8c61\u8c03\u7528\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\u65f6\uff0c\u4f1a\u81ea\u52a8\u8c03\u7528__call\u65b9\u6cd5&lt;br\/&gt;&#39;;<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;\u5f53\u524d\u8c03\u7528\u7684\u65b9\u6cd5\u540d\u662f&#39;.$name.&#39;&lt;br\/&gt;&#39;;<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;\u4f20\u9012\u8fc7\u6765\u7684\u53c2\u6570\u662f:&#39;.print_r($arguments);<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;&lt;hr\/&gt;&#39;;<br\/> &nbsp; &nbsp;}<br\/> &nbsp; &nbsp;public static function __callStatic($name, $arguments)<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;\u5f53\u9759\u6001\u8c03\u7528\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\u65f6\uff0c\u4f1a\u81ea\u52a8\u8c03\u7528__callSatic\u65b9\u6cd5,\u6ce8\u610f\u8fd9\u4e2a\u65b9\u6cd5\u8981\u7528static\u4fee\u9970&lt;br\/&gt;&#39;;<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;\u5f53\u524d\u8c03\u7528\u7684\u65b9\u6cd5\u540d\u662f&#39;.$name.&#39;&lt;br\/&gt;&#39;;<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;\u4f20\u9012\u8fc7\u6765\u7684\u53c2\u6570\u662f:&#39;.print_r($arguments);<br\/> &nbsp; &nbsp;}<br\/> &nbsp; &nbsp;public function __get($name)<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;return &#39;&lt;hr\/&gt;\u8bfb\u53d6\u4e0d\u53ef\u8bbf\u95ee\u5c5e\u6027\u7684\u503c\u65f6\u4f1a\u81ea\u52a8\u8c03\u7528__get\u65b9\u6cd5&#39;;<br\/> &nbsp; &nbsp;}<br\/> &nbsp; &nbsp;public function __set($name, $value)<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;&lt;hr\/&gt;\u5728\u7ed9\u4e0d\u53ef\u8bbf\u95ee\u5c5e\u6027\u8d4b\u503c\u65f6\uff0c\u5f53\u524d\u8981\u5c06&#39;.$name.&#39;\u8bbe\u7f6e\u4e3a&#39;.$value;<br\/> &nbsp; &nbsp;}<br\/> &nbsp; &nbsp;public function __isset($name)<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;&lt;hr\/&gt;\u5f53\u5bf9\u4e0d\u53ef\u8bbf\u95ee\u5c5e\u6027\u8c03\u7528 isset() \u6216 empty() \u65f6\uff0c__isset() \u4f1a\u88ab\u8c03\u7528&#39;.$name;<br\/> &nbsp; &nbsp;}<br\/> &nbsp; &nbsp;public function __unset($name)<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;&lt;hr\/&gt;\u5f53\u5bf9\u4e0d\u53ef\u8bbf\u95ee\u5c5e\u6027\u8c03\u7528 unset() \u65f6\uff0c__unset() \u4f1a\u88ab\u8c03\u7528&#39;.$name;<br\/> &nbsp; &nbsp;}<br\/> &nbsp; &nbsp;public function __clone()<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;&lt;hr\/&gt;\u5982\u679c\u6709\u4eba\u514b\u9686\u6211\uff0c\u5c06$name\u7684\u503c\u4ece&#39;.$this-&gt;name.&#39;\u6539\u4e3anoName&#39;;<br\/> &nbsp; &nbsp; &nbsp; &nbsp;$this-&gt;name=&#39;noName&#39;;<br\/> &nbsp; &nbsp;}<br\/> &nbsp; &nbsp;public function __sleep()<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;$this-&gt;content=&#39;\u8fd9\u662f\u4e2a\u79d8\u5bc6&#39;;<br\/> &nbsp; &nbsp; &nbsp; &nbsp;return array(&#39;content&#39;);<br\/> &nbsp; &nbsp;}<br\/> &nbsp; &nbsp;public function __wakeup()<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;$this-&gt;content=&#39;\u53ef\u4ee5\u770b\u6211\u7684\u79d8\u5bc6&#39;;<br\/> &nbsp; &nbsp;}<br\/><br\/> &nbsp; &nbsp;public function __destruct()<br\/> &nbsp; &nbsp;{<br\/> &nbsp; &nbsp; &nbsp; &nbsp;echo &#39;&lt;hr\/&gt;\u5bf9\u8c61\u7684\u6240\u6709\u5f15\u7528\u90fd\u88ab\u5220\u9664\u6216\u8005\u5bf9\u8c61\u88ab\u9500\u6bc1\u65f6\u8c03\u7528__destruct()&#39;;<br\/> &nbsp; &nbsp;}<br\/>}<br\/><br\/>$obj=new test(&#39;\u6211\u7231\u5c0f\u7ea2&#39;);<br\/>echo $obj;\/\/\u8c03\u7528__toString()\u65b9\u6cd5<br\/>echo $obj();\/\/\u8c03\u7528__invoke()\u65b9\u6cd5<br\/>$obj-&gt;notExistFunction(&quot;name&quot;,&quot;age&quot;);\/\/\u5b9e\u4f8b\u5316\u8c03\u7528\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\uff0c\u81ea\u52a8\u8c03\u7528__call<br\/>test::notExistFunction(&quot;sex&quot;,&quot;birthday&quot;);\/\/\u9759\u6001\u8c03\u7528\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\uff0c\u81ea\u52a8\u8c03\u7528__callStatic<br\/>echo $obj-&gt;notExistProperty;\/\/__get\u65b9\u6cd5<br\/>$obj-&gt;rate=1;\/\/__set<br\/>isset($obj-&gt;notExistPproperty);\/\/__isset<br\/>empty($obj-&gt;rate);\/\/__isset()<br\/>unset($obj-&gt;rate);\/\/__unset();<br\/>$obj2=clone $obj;\/\/__clone ,\u6b64\u65f6 $obj2-&gt;name\u7684\u503c\u4e3a noName ,\u8c8c\u4f3c\u8fd8\u8c03\u7528\u4e86\u4e00\u6b21__destruct\u65b9\u6cd5<br\/>echo &#39;&lt;hr\/&gt;&#39;.serialize($obj).&#39;&lt;br\/&gt;&#39;;\/\/serialize\u5e8f\u5217\u5316\u524d\u5148\u8c03\u7528__sleep()<br\/>echo &#39;&lt;pre&gt;&#39;;<br\/>echo print_r(unserialize(serialize($obj)));\/\/unserialize\u53cd\u5e8f\u5217\u5316\u524d\u5148\u8c03\u7528__wakeup(),\u8c8c\u4f3c\u4e5f\u8c03\u7528\u4e86\u4e00\u6b21__destruct()<br\/>echo &#39;&lt;\/pre&gt;&#39;;<\/p><p><br\/><\/p><p><br\/><\/p><p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p><p><br\/><\/p><p><img src=\"https:\/\/api.hu-rong.com\/uploads\/editor\/php\/upload\/20160521\/14638160774770.png\" title=\"\u7f51\u9875\u56fe\u7247.png\"\/><\/p>"}