{"id":4081,"date":"2015-08-03T17:27:42","date_gmt":"2015-08-03T09:27:42","guid":{"rendered":"https:\/\/sdeno.com\/?p=4081"},"modified":"2016-01-08T15:04:44","modified_gmt":"2016-01-08T07:04:44","slug":"php%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=4081","title":{"rendered":"php\u9762\u5411\u5bf9\u8c61\u7b14\u8bb0"},"content":{"rendered":"

php \u5bf9\u8c61 \u7b14\u8bb0<\/a><\/p>\n

\/*<\/p>\n

\u4ee5\u4e0b\u662f\u5144\u5f1f\u8fde\u9762\u5411\u5bf9\u8c61\u7b14\u8bb0<\/p>\n

*\/<\/p>\n

php\u8981\u521b\u5efa\u5bf9\u8c61<\/p>\n

1\uff0c\u58f0\u660e\u7c7b<\/p>\n

class Peo{\r\n  var $name;\r\n  function say(){\r\n   $this->name;\r\n  }\r\n}<\/pre>\n
2,\u5b9e\u4f8b\u5316<\/p>\n
$p1=new Peo();<\/pre>\n
3\uff0c\u8c03\u7528\uff1a<\/p>\n
$p1->name;\r\n$p1->say();<\/pre>\n
\u9b54\u672f\u65b9\u6cd5\uff1a(\u4e00\u822c\u6709__\u7684\u90fd\u662f\u9b54\u672f\u65b9\u6cd5)<\/p>\n
class Peo{\r\n  function __construct(){\r\n    \/\/\u53ea\u8981\u7c7bnew\u6210\u529f\u4e86\u4e4b\u540e\u8fd9\u91cc\u7684\u4ee3\u7801\u4e0d\u7ba1\u8c03\u4e0d\u8c03\u7528\u90fd\u4f1a\u88ab\u6267\u884c\r\n    \u4f5c\u7528\u662f\u4e3a\u4ee3\u7801\u521d\u59cb\u5316\u3002\r\n  }\r\n}<\/pre>\n
—————————————–<\/p>\n
 <\/p>\n
\u9762\u5411\u5bf9\u8c61\u7684\u7279\u6027\uff1a\u5c01\u88c5\u3001\u7ee7\u627f\u3001\u591a\u6001\u3002
\n1\uff0c\u5c01\u88c5<\/span>\uff1a\u5c31\u662f\u4e0d\u80fd\u8ba9\u5916\u90e8\u968f\u610f\u8bbf\u95ee\u548c\u4fee\u6539\u5bf9\u8c61\u5185\u90e8\u7684\u53d8\u91cf\u3002
\n\u4e0d\u8ba9\u5916\u90e8\u968f\u610f\u8bbf\u95ee\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u5728\u524d\u9762\u52a0\u4e0a\u79c1\u7528\u4fee\u9970private<\/p>\n
class Peo{\r\n  private function say(){\r\n    \/\/\u8fd9\u91cc\u4ee3\u7801\u5916\u90e8\u4e0d\u80fd\u8bbf\u95ee\u4e86\u3002\r\n  }\r\n\r\n  function run(){\r\n     $this->say();\/\/\u53ea\u80fd\u7528\u5185\u90e8\u7684$this\u624d\u80fd\u8bbf\u95ee\r\n  }\r\n\r\n}<\/pre>\n
*\u63d0\u793a\u4ee5\u540e\u5b66\u4e60\u522b\u4eba\u4ee3\u7801\u53ea\u9700\u8981\u5b66\u4e60\u5bf9\u5916\u63d0\u4f9b\u63a5\u53e3\u7684\u4ee3\u7801\u5373\u53ef\uff0c\u4e0d\u9700\u8981\u53bb\u770b\u90a3\u4e9b\u79c1\u6709\u4ee3\u7801<\/p>\n
 <\/p>\n
__get\u548c__set\u53d6\u503c\u548c\u8d4b\u503c
\n\u83b7\u53d6\u79c1\u6709\u53d8\u91cf__get\uff0cnew\u5b8c\u6210\u4e4b\u540e\u81ea\u52a8\u8c03\u7528\u3002<\/p>\n
\u00a0 class Peo{\r\n    private $name1;\r\n    private $name2;\r\n    private $name3;\r\n\r\n   \/\/\u4e00\u4e2a\u7c7b\u4e2d\u6709\u5f88\u591a\u79c1\u6709\u5c5e\u6027\u8981\u4e00\u4e00\u4e3a\u5b83\u4eec\u6dfb\u52a0\u53d6\u503c\u548c\u8bbe\u7f6e\u7684\u65b9\u6cd5\u4ee3\u7801\u4f1a\u5f88\u81c3\u80bf\r\n   \/\/\u6240\u4ee5\u4e3a\u4e86\u4f18\u5316\u4ee3\u7801\u53ef\u4ee5\u4f7f\u7528__get\u548c__set\r\n \r\n    public function __set($key,$value){\r\n      $this->$key=$value;\r\n    }  \r\n \r\n    public function __get($key){\r\n      return $this->$key;\r\n    }\r\n \r\n }\r\n \r\n \r\n $p1=new Peo();\r\n $p1->name1='\u5c0f\u674e';\r\n $p1->name2='\u5f20\u4e09';\r\n $p1->name3='\u738b5';\r\n \r\n echo $p1->name1;\r\n echo $p1->name2;\r\n echo $p1->name3;<\/pre>\n
new\u5b8c\u4e4b\u540e<\/p>\n
__set()\u8bbe\u7f6e\u79c1\u6709\u5c5e\u6027\uff0cnew\u5b8c\u6210\u4e4b\u540e\u81ea\u52a8\u8c03\u7528\u3002
\n__isset() \/\/\u5224\u65ad\u67d0\u79c1\u6709\u5c5e\u6027\u662f\u5426\u5b58\u5728
\n__unset() \/\/\u5220\u9664\u79c1\u6709\u5c5e\u6027<\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
2\uff0c\u7ee7\u627f<\/span>
\n\u5c06\u516c\u5171\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u5c01\u88c5\u6210\u4e00\u4e2a\u7236\u7c7b\uff0c\u5176\u4ed6\u7684\u7c7b\u7ee7\u627f\u7236\u7c7b\u79f0\u4e3a\u5b50\u7c7b\u3002
\n\u5982\u679c\u4e00\u4e2a\u5b50\u7c7b\u7ee7\u627f\u4e86\u4e00\u4e2a\u7236\u7c7b\u5c31\u4e0d\u80fd\u5728\u7ee7\u627f\u5176\u4ed6\u7236\u7c7b\uff0c\u4e00\u4e2a\u7236\u7c7b\u53ef\u4ee5\u88ab\u591a\u4e2a\u5b50\u7c7b\u7ee7\u627f\u3002
\n\u5b50\u7c7b\u7ee7\u627f\u7236\u7c7b\u4f7f\u7528extends<\/p>\n
classs Peo{\r\n  var $name;\r\n  function say(){}\r\n}<\/pre>\n
class Student extends Peo{\r\n  var $schoolmun;\r\n}<\/pre>\n
\u4e3a\u4e86\u4fdd\u8bc1\u7236\u7c7b\u7684\u5c01\u88c5\u6027\uff0c\u65e2\u8981\u8ba9\u5b50\u7c7b\u80fd\u7ee7\u627f\u53c8\u4e0d\u8ba9\u5916\u754c\u8bbf\u95ee\u4fee\u6539\u4f7f\u7528protected<\/p>\n
classs Peo{\r\n  protected $name;\r\n  function say(){}\r\n}<\/pre>\n
class Student extends Peo{\r\n  var $schoolmun;\r\n  function getit(){\r\n    $this->name; \/\/\u5916\u90e8\u8c03\u7528geiti()\u5c31\u80fd\u8c03\u7528\u5230\u7236\u7c7b\u7684$name\r\n  }\r\n}<\/pre>\n
\u5b50\u7c7b\u4e2d\u7684\u65b9\u6cd5\u548c\u7236\u7c7b\u540c\u540d\u7684\u60c5\u51b5\u4e0b\uff0c\u5b50\u7c7b\u8981\u5728\u7ee7\u627f\u7236\u7c7b\u90e8\u5206\u4ee3\u7801\u60c5\u51b5\u4e0b\u6dfb\u52a0\u4fee\u6539\u4f7f\u7528parent::
\n*\u5b50\u7c7b\u4e2d\u7684\u65b9\u6cd5\u548c\u7236\u7c7b\u540c\u540d\u7684\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u7236\u7c7b\u65b9\u6cd5\u4fee\u9970\u7b26\u4e3aprotected\uff0c\u5b50\u7c7b\u4e2d\u7684\u4fee\u9970\u7b26\u53ea\u80fd\u662fprotected\u6216\u8005public\u3002\uff08\u5b50\u7c7b\u5f00\u653e\u7684\u6743\u9650\u5fc5\u987b\u7b49\u4e8e\u6216\u5927\u4e8e\u7236\u7c7b\u6743\u9650\u3002\uff09<\/p>\n
<\/div>
<\/div><\/div><\/div>\"phpjicheng2\"<\/figure><\/a>
\n\u7b80\u5355\u4ecb\u7ecd\u4e0b\u79c1\u7528\u4fee\u9970\u7b26\uff1a<\/p>\n
private\u6700\u4fdd\u5b88 protected\u6bd4\u8f83\u4fdd\u5b88 public\u5b8c\u5168\u5f00\u653e<\/p>\n
<\/div>
<\/div><\/div><\/div>\"phpjicheng\"<\/figure><\/a>\n
 <\/p>\n
*\u5728\u4e4b\u7c7b\u4e2d\u65e0\u8bba\u5982\u4f55\u90fd\u8981\u53bb\u8c03\u7528\u4e00\u6b21\u7236\u7c7b\u7684__construct(),\u56e0\u4e3a\u5982\u679c\u7236\u7c7b\u5c5e\u6027\u6709\u53d8\u5316\u4e86\u4e5f\u8981\u4fdd\u8bc1\u5b50\u7c7b\u4e5f\u80fd\u88ab\u540c\u6b65\u4fee\u6539\u300240\uff0c58:00
\n————————————————————–<\/p>\n
 <\/p>\n
\u9762\u5411\u5bf9\u8c61\u4e2d\u7c7b\u5e38\u7528\u4fee\u9970\u7b26
\nfinal\u53ea\u80fd\u4fee\u9970\u7c7b\u548c\u65b9\u6cd5
\nfinal\u4fee\u9970\u7c7b\u4e0d\u80fd\u88ab\u5b50\u5143\u7d20\u8986\u76d6\uff1b
\nfinal\u4fee\u9970\u65b9\u6cd5\uff0c\u5b50\u5143\u7d20\u7684\u65b9\u6cd5\u4e0d\u80fd\u548c\u7236\u5143\u7d20\u4e2d\u7684\u65b9\u6cd5\u51fa\u73b0\u91cd\u540d\u5b57\u3002\uff08\u4e0d\u80fd\u88ab\u8986\u76d6\uff09<\/p>\n
 <\/p>\n
\u9759\u6001\u4fee\u9970\u7b26static \u53ea\u80fd\u4fee\u9970\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u88ab\u4fee\u9970\u7684\u5bf9\u8c61\u5185\u5b58\u4e2d\u5171\u4eab\u3002
\n\u8c03\u7528static\u4fee\u9970\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u4e0d\u9700\u8981new
\n\u8c03\u7528\u4f8b\u5b50\uff1a<\/p>\n
\u5728\u7c7b\u5916\u754c\u8c03\u7528 echo Pen::$name; echo Pen::say();
\n\u5728\u7c7b\u5185\u90e8\u4e2d\u8c03\u7528 self::$name; self::say();<\/p>\n
*\u975e\u9759\u6001\u65b9\u6cd5\u53ef\u4ee5\u8bbf\u95ee\u9759\u6001\u5c5e\u6027\uff0c\u9759\u6001\u65b9\u6cd5\u4e0d\u80fd\u975e\u9759\u6001\u5c5e\u6027\uff0c\u4f46\u9759\u6001\u65b9\u6cd5\u53ef\u4ee5\u8bbf\u95ee\u9759\u6001\u5c5e\u6027\u3002<\/p>\n
 <\/p>\n
const\u7c7b\u4e2d\u58f0\u660e\u5e38\u91cf
\n\u5728\u7c7b\u5916\u754c\u8c03\u7528 echo Pen::$name;
\n\u5728\u7c7b\u5185\u90e8\u4e2d\u8c03\u7528 self::$name;
\n\u5e38\u7528\u7684\u9b54\u672f\u65b9\u6cd5
\n__construct \/\/\u53ea\u8981\u7c7bnew\u6210\u529f\u4e86\u4e4b\u540e\u8fd9\u91cc\u7684\u4ee3\u7801\u4e0d\u7ba1\u8c03\u4e0d\u8c03\u7528\u90fd\u4f1a\u88ab\u6267\u884c
\n\u4f5c\u7528\u662f\uff1a\u4e3a\u4ee3\u7801\u521d\u59cb\u5316\u3002<\/p>\n
__call($value1,$value2) \/\/\u5982\u679c\u4f7f\u7528\u6b64\u9b54\u672f\uff0c\u5f53\u4e00\u4e2a\u5bf9\u8c61\u4e0d\u5b58\u5728\u67d0\u4e9b\u65b9\u6cd5\u5982\u679c\u88ab\u8c03\u7528\u4e863\u6b21\uff0c\u6b64\u9b54\u672f\u4e5f\u4f1a\u88ab\u81ea\u52a8\u8c03\u75283\u6b64\u5e76\u4fdd\u8bc1\u4e0d\u62a5\u9519\u3002
\n\u4f5c\u7528\u662f\uff1a\u5904\u7406\u4e00\u4e9b\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\u65f6\u53c8\u504f\u504f\u88ab\u8c03\u7528\u51fa\u9519\u65f6\u8d77\u5230\u7684\u56de\u8c03\u4f5c\u7528\u3002<\/p>\n
__toString() \/\/\u5982\u679c\u4f7f\u7528\u6b64\u9b54\u672f\uff0cecho $p1\u5c31\u4f1a\u81ea\u52a8\u8c03\u7528\u5230\u6b64\u9b54\u672f\u3002
\n\u4f5c\u7528\u662f\uff1a\u5feb\u901f\u904d\u5386\u5bf9\u8c61\u7684\u5c5e\u6027\u6216\u8005\u65b9\u6cd5\u3002
\n__clone \/\/\uff0c$p2=clone $p1\u4e86\u4e4b\u540e\u4e00\u4e2a\u514b\u9686\u521b\u5efa\u6210\u529f\u5c31\u4f1a\u81ea\u52a8\u6267\u884c\u6b64\u9b54\u672f\uff0c\u91cc\u9762\u7684$this\u5c31\u662f\u6307\u514b\u9686\u4f53\u5bf9\u8c61\u3002
\n\u4f5c\u7528\u662f\uff1a\u4e00\u4e2a\u514b\u9686\u521b\u5efa\u6210\u529f\u5c31\u4f1a\u81ea\u52a8\u6267\u884c\u6b64\u9b54\u672f\uff0c\u53ef\u4ee5\u4e3a\u514b\u9686\u4f53\u521d\u59cb\u5316\u4e00\u4e9b\u5c5e\u6027\u3002<\/p>\n
__autoload \/\/\u6b64\u9b54\u672f\u4e0d\u5728\u7c7b\u4e2d\u4f7f\u7528\uff0c\u5728\u4e00\u4e2a\u9875\u9762\u4e2d\u4f7f\u7528\u5230\u54ea\u4e2a\u7c7b\u6b64\u9b54\u672f\u5c31\u4f1a\u81ea\u52a8\u83b7\u53d6\u5230\u7c7b\u7684\u540d\u79f0\u3002\uff08\u6709\u4e00\u4e2a\u5c0f\u95ee\u9898\uff0c\u6587\u4ef6\u7684\u53d6\u540d\u8981\u8ddf\u7c7b\u540d\u4e00\u6837\uff09
\n
<\/div>
<\/div><\/div><\/div>\"autoload\"<\/figure><\/a>
\n__sleep() \/\/\u5e8f\u5217\u5316\u65f6\u81ea\u52a8\u88ab\u8c03\u752840\uff0c60:28
\n__wakeup() \/\/\u89e3\u5e8f\u5217\u5316\u65f6\u81ea\u52a8\u8c03\u7528<\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
3,\u62bd\u8c61\u3001\u63a5\u53e3\u3001\u591a\u6001<\/span><\/p>\n
\u62bd\u8c61\u4ecb\u7ecd\u548c\u4f5c\u7528<\/p>\n
\u5b9a\u4e49\u62bd\u8c61\u7c7b\u548c\u62bd\u8c61\u65b9\u6cd5\u9700\u8981\u4fee\u9970\u7b26abstract\uff0c\u62bd\u8c61\u7c7b\u4e0d\u80fd\u88ab\u5b9e\u4f8b\u5316\u3002
\n\u6709\u62bd\u8c61\u65b9\u6cd5\u7684\u7c7b\uff0c\u53eb\u62bd\u8c61\u7c7b\u3002
\n\u62bd\u8c61\u65b9\u6cd5\u5c31\u662f\u51fd\u6570\u6ca1\u6709\u4e3b\u4f53\u3002
\nabstract class Peo{ \/\/\u62bd\u8c61\u7c7b
\nabstract function run(); \/\/\u62bd\u8c61\u65b9\u6cd5
\n}
\n\u8981\u4f7f\u7528\u62bd\u8c61\u7c7b\u5c31\u5fc5\u987b\u8ba9\u5b50\u7c7b\u7ee7\u627f\u62bd\u8c61\u7c7b\uff0c\u90a3\u4e48\u5b50\u7c7b\u4e2d\u5c31\u4e0d\u80fd\u51fa\u73b0\u62bd\u8c61\u65b9\u6cd5\u5c06\u5176\u7236\u7c7b\u7684\u62bd\u8c61\u65b9\u6cd5\u8986\u76d6\u5373\u53ef\u3002
\nclass Child extends Peo{
\nfunction run(){ return ‘\u8c03\u7528’; } \/\/\u91cd\u8f7d\u8986\u76d6\u7236\u7c7b\u7684\u62bd\u8c61\u65b9\u6cd5
\n}
\n\u628a\u7c7b\u5199\u6210\u62bd\u8c61\u7684\u4f5c\u7528\uff1a\u5982\u679c\u4f60\u9700\u8981\u8c03\u7528\u67d0\u4e00\u4e2a\u529f\u80fd\u8981\u7ee7\u7eed\u5b8c\u6210\u81ea\u5df1\u5de5\u4f5c\uff0c\u4f46\u662f\u8fd9\u4e2a\u529f\u80fd\u8fd8\u6ca1\u5b8c\u6210\u4f60\u4e0d\u53ef\u80fd\u8981\u7b49\u4ed6\u5b8c\u6210\u4e86\u8fd9\u529f\u80fd\u624d\u53bb\u8c03\u7528\u5427\uff0c\u6240\u4ee5\u53ef\u4ee5\u9884\u5148\u628a\u529f\u80fd\u5148\u8c03\u7528\u51fa\u6765\uff0c
\n\u4f46\u524d\u63d0\u662f\u4f60\u81ea\u5df1\u8981\u5199\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u548c\u4e00\u4e2a\u62bd\u8c61\u7c7b\uff0c\u62bd\u8c61\u65b9\u6cd5\u7684\u547d\u540d\u8981\u89c4\u8303\u597d\u7b49\u529f\u80fd\u5b8c\u6210\u4e86\u4e4b\u540e\u5728\u5199 \u4e00\u4e2a\u5b50\u7c7b\u53bb\u7ee7\u627f\u62bd\u8c61\u7684\u7236\u7c7b\uff0c\u800c\u4e14\u5b50\u7c7b\u7684\u65b9\u6cd5\u8981\u8986\u76d6\u62bd\u8c61\u7236\u7c7b\u7684\u62bd\u8c61\u65b9\u6cd5\uff0c
\n\u8fd9\u6837\u5c31\u53ef\u4ee5\u8fbe\u5230\uff0c\u4e0d\u5fc5\u53bb\u7b49\u5f85\u5176\u4ed6\u4eba\u7684\u4ee3\u7801\uff0c\u53ef\u4ee5\u5148\u5b8c\u6210\u81ea\u5df1\u7684\u5de5\u4f5c\u4e86\u3002
\n$p1=new Child();
\n$p1->run();<\/p>\n
 <\/p>\n
 <\/p>\n
\u63a5\u53e3\u4ecb\u7ecd\u548c\u4f5c\u7528\uff08\u5f85\u5b66\u4e60\uff09<\/p>\n
\u63a5\u53e3\u662f\u4e00\u79cd\u7279\u6b8a\u62bd\u8c61\u7c7b\uff0c\u4e5f\u4e0d\u80fd\u88ab\u5b9e\u4f8b\u5316\uff0c\u53ea\u80fd\u88ab\u5b50\u7c7b\u7ee7\u627f\u624d\u80fd\u88ab\u8c03\u7528\u3002<\/p>\n
 <\/p>\n
\u591a\u6001\uff08\u5f85\u5b66\u4e60\uff09<\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
———————–\u674e\u708e\u6062\u7b14\u8bb0——————————-<\/p>\n
 <\/p>\n
---------\u79c1\u6709-------------\r\nclass Peo{\r\n private $age;\r\n protected $name;\r\n public function run(){}\r\n}<\/pre>\n
\u4fee\u9970\u7b26protected\u65e2\u80fd\u4fdd\u62a4\u81ea\u5df1\u4e0d\u8ba9\u5bf9\u5916\u8bbf\u95ee\uff0c\u4e5f\u80fd\u8ba9\u7ee7\u627f\u7684\u5b50\u7c7b\u7ee7\u627f\u81ea\u5df1\u7684\u5c5e\u6027\u548c\u65b9\u6cd5
\n\u4fee\u9970\u7b26private\u4e0d\u4ec5\u80fd\u4fdd\u62a4\u81ea\u5df1\uff0c\u4e5f\u4e0d\u8ba9\u5b50\u7c7b\u7ee7\u627f\uff0c\u4fdd\u62a4\u6027\u662f\u6700\u597d\u7684<\/p>\n
 <\/p>\n
\u4e0d\u52a0\u4fee\u9970\u7b26\u9ed8\u8ba4\u662fpublic<\/p>\n
class Peo{\r\n function __destruct(){\r\n   echo '\u6790\u6784\u65b9\u6cd5\u662f\u5728\u6240\u7528\u65b9\u6cd5\u6267\u884c\u5b8c\u6210\u540e\u624d\u6267\u884c\u7684\u3002\u4e00\u822c\u7528\u4e8e\u6e05\u7406\u5185\u5b58\u3002';\r\n }\r\n}<\/pre>\n
 <\/p>\n
__get\u548c__set\u53d6\u503c\u548c\u8d4b\u503c<\/p>\n
class Peo{\r\n private $name1;\r\n private $name2;\r\n private $name3;\r\n private $name4;\r\n \r\n \/\/\u4e00\u4e2a\u7c7b\u4e2d\u6709\u5f88\u591a\u79c1\u6709\u5c5e\u6027\u8981\u4e00\u4e00\u4e3a\u5b83\u4eec\u6dfb\u52a0\u53d6\u503c\u548c\u8bbe\u7f6e\u7684\u65b9\u6cd5\u4ee3\u7801\u4f1a\u5f88\u81c3\u80bf\r\n \/\/\u6240\u4ee5\u4e3a\u4e86\u4f18\u5316\u4ee3\u7801\u53ef\u4ee5\u4f7f\u7528__get\u548c__set\r\n\r\n public function__set($key,$value){\r\n   $this->$key=$value;\r\n }\r\n\r\n public function __get($key){\r\n   return $this->$key;\r\n }\r\n \r\n}\r\n\r\n$p1=new Peo();\r\n$p1->name1='\u5c0f\u674e'; \/\/\u8bbe\u7f6e\u503c\r\necho $p1->name1;\r\n\r\n<\/pre>\n
 <\/p>\n
 <\/p>\n
\u5e38\u7528\u58f0\u660e<\/p>\n
class Peo{\r\n  const NAME='\u7535\u8111';\r\n}\r\n \/\/\u4e0d\u9700\u8981new\u76f4\u63a5\u5c31\u53ef\u4ee5\u4f7f\u7528\r\n echo Peo::NAME;<\/pre>\n
\u9759\u6001\u4fee\u9970 static<\/p>\n
class Peo{\r\n   public static $count=0; \/\/\u9759\u6001\u5c5e\u6027\r\n \r\n  public static function run(){\r\n    self::$count++;\r\n  }\r\n \r\n  public function _add(){\r\n     \/\/\u5982\u679c\u6709static\u9759\u6001\u4fee\u9970\u7b26\u7684 \u5c5e\u6027\u5c31\u7528self\u8c03\u7528\u800c\u4e0d\u662f\u7528$this->\r\n     self::$count++;\r\n  }\r\n}<\/pre>\n
$p1 = new Peo; \/\/\u5b9e\u4f8b\u53161
\n$p1->_add(); \/\/ count=1
\n$p2 = new Peo; \/\/\u5b9e\u4f8b\u53162
\n$p2->_add(); \/\/count=2
\necho Peo::$count \/\/\u53ef\u4ee5\u76f4\u63a5\u8f93\u51fa\u4e0d\u9700\u8981new<\/p>\n
Peo::run(); \/\/\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u65b9\u6cd5 \u4e0d\u9700\u8981new
\ninstanceof \u67e5\u770b\u67d0\u4e2a\u5b9e\u4f8b\u5bf9\u8c61\u662f\u5426\u5c5e\u4e8e\u8fd9\u4e2a\u7c7b
\necho $p1 instanceof Peo \/\/$p1\u5b9e\u4f8b\u662f\u5426\u5c5e\u4e8ePeo\u7c7b<\/p>\n
 <\/p>\n
—————–\u7ee7\u627f———————<\/p>\n
\u4fee\u9970\u7b26protected\u65e2\u80fd\u4fdd\u62a4\u81ea\u5df1\u4e0d\u8ba9\u5bf9\u5916\u8bbf\u95ee\uff0c\u4e5f\u80fd\u8ba9\u7ee7\u627f\u7684\u5b50\u7c7b\u7ee7\u627f\u81ea\u5df1\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\r\n\u4fee\u9970\u7b26private\u4e0d\u4ec5\u80fd\u4fdd\u62a4\u81ea\u5df1\uff0c\u4e5f\u4e0d\u8ba9\u5b50\u7c7b\u7ee7\u627f\uff0c\u4fdd\u62a4\u6027\u662f\u6700\u597d\u7684\r\n<?php\r\n class Pa{\r\n   protected $name='\u8f66\u5b50'; \/\/protected\u53ef\u4ee5\u4e0d\u8ba9\u5bf9\u5916\u8bbf\u95ee\uff0c\u53c8\u80fd\u8ba9\u5b50\u7c7b\u7ee7\u627f\u5230 \r\n   protected function run(){\r\n      return $this->name.'\u5728\u8dd1';\r\n   }\r\n }\r\n \r\n \r\n class Son extends Pa{ \r\n    var $name='\u7537\u4eba'; \/\/\u5b50\u7c7b\u4e5f\u53ef\u4ee5\u8986\u76d6\u7236\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\r\n    function getrun(){\r\n      return $this->run();\r\n    }\r\n }\r\n \r\n $p1=new Son;\r\n echo $p1->getrun();\r\n \r\n?><\/pre>\n
 <\/p>\n
parent::\u5c5e\u6027\u6216\u8005\u65b9\u6cd5\uff0c\u5b50\u7c7b\u91cd\u65b0\u8c03\u7528\u88ab\u8986\u76d6\u7684\u7236\u7c7b\u7684\u5c5e\u6027\u6216\u8005\u65b9\u6cd5<\/p>\n
 class Son extends Pa{ \r\n  var $name='\u7537\u4eba'; \/\/\u5b50\u7c7b\u4e5f\u53ef\u4ee5\u8986\u76d6\u7236\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\r\n   function run(){\r\n    return parent::run();\r\n   }\r\n }<\/pre>\n
\u4fee\u9970\u7b26final\u4e0d\u5e0c\u671b\u88ab\u7ee7\u627f\u5c31\u52a0\u4e0a<\/p>\n
final class Pa{ \/\/\u8fd9\u4e2a\u7c7b\u4e0d\u80fd\u88ab\u7ee7\u627f\r\n final public $name; \/\/\u6b64\u5c5e\u6027\u4e0d\u80fd\u88ab\u7ee7\u627f\r\n final function run(){} \/\/\u6b64\u65b9\u6cd5\u4e0d\u80fd\u88ab\u5b50\u7c7b\u8986\u76d6\uff0c\u5426\u5219\u62a5\u9519\r\n}<\/pre>\n
class Son extends Pa{\r\n function run(){} \/\/\u7236\u7c7b\u6b64\u65b9\u6cd5\u6709final\u4e0d\u80fd\u8986\u76d6\uff0c\u5426\u5219\u62a5\u9519\r\n}<\/pre>\n
 <\/p>\n
 <\/p>\n
———-\u591a\u6001—————<\/p>\n
1,\u62bd\u8c61\u7c7b\u548c\u65b9\u6cd5 \uff08\u62bd\u8c61\u7c7b\u662f\u4e3a\u4e86\u7ed9\u5b50\u7c7b\u505a\u89c4\u8303\uff09<\/p>\n
\/\/\u62bd\u8c61\u7c7b\u6700\u597d\u81f3\u5c11\u6709\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\uff0c\u4e0d\u7136\u5b9a\u4e49\u4e00\u4e2a\u62bd\u8c61\u7c7b\u5c31\u6ca1\u610f\u4e49\u4e86\r\nabstract class Pa{ \/\/\u5b9a\u4e49\u4e86\u4e00\u4e2a\u62bd\u8c61\u7c7b\uff0c\u6b64\u7c7b\u4e0d\u9700\u8981new\uff0c\u662f\u7ed9\u5b50\u7c7b\u7ee7\u627f\u7684\r\n public $name='\u540d\u5b57'; \/\/\u53ef\u4ee5\u6709\u666e\u901a\u5c5e\u6027\r\n abstract function run(); \/\/\u5b9a\u4e49\u4e86\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u4e0d\u80fd\u7528{}\u53f7\uff0c\u5b50\u7c7b\u5fc5\u987b\u7ee7\u627f\u5e76\u91cd\u5199\u5426\u5219\u4f1a\u62a5\u9519\u3002\r\n \r\n public function run2(){ echo '\u6211\u662f\u62bd\u8c61\u7c7b\u4e2d\u7684\u65b9\u6cd5'; } \/\/\u62bd\u8c61\u7c7b\u4e2d\u53ef\u4ee5\u6dfb\u52a0\u666e\u901a\u65b9\u6cd5\r\n}\r\n\r\n\r\nclass Son extends Pa{ \r\n public function run(){ \/\/\u5b50\u7c7b\u8981\u8986\u76d6\u7236\u7c7b\u4e2d\u7684\u542b\u6709abstract\u4fee\u9970\u7b26\u7684\u65b9\u6cd5\r\n \r\n }\r\n}\r\n$p1=new Son;\r\necho $p1->name;\r\necho \"<br>\";\r\necho $p1->run2();<\/pre>\n
 <\/p>\n
2\uff0c\u63a5\u53e3 (\u4e3a\u4e86\u5b9e\u73b0\u89c4\u8303\u5b50\u7c7b\uff0c\u4ee5\u8fbe\u5230\u7edf\u4e00\u76ee\u7684)<\/p>\n
interface Pa{ \/\/\u5b9a\u4e49\u4e00\u4e2a\u63a5\u53e3\r\n const NAME='\u5fc5\u987b\u5e38\u91cf'; \/\/\u63a5\u53e3\u91cc\u9762\u7684\u6240\u6709\u5c5e\u6027\u5fc5\u987b\u662f\u5e38\u91cf\r\n \r\n \/\/\u63a5\u53e3\u91cc\u9762\u7684\u6240\u6709\u65b9\u6cd5\u9ed8\u8ba4\u90fd\u662f\u62bd\u8c61\u65b9\u6cd5\uff0c\u4e5f\u5c31\u662f\u8981\u7ee7\u627f\u7684\u5b50\u7c7b\u5fc5\u987b\u8981\u8986\u76d6\u63a5\u53e3\u91cc\u9762\u7684\u65b9\u6cd5\r\n public function run1(); \/\/\u9ed8\u8ba4\u65b9\u6cd5\u90fd\u662f\u52a0\u4e86abstract\r\n public function run2();\r\n}\r\n\r\n\r\ninterface Pa2{ \/\/\u5b9a\u4e49\u4e00\u4e2a\u63a5\u53e3\r\n const NAME2='\u5fc5\u987b\u5e38\u91cf2'; \/\/\u63a5\u53e3\u91cc\u9762\u7684\u6240\u6709\u5c5e\u6027\u5fc5\u987b\u662f\u5e38\u91cf\r\n \r\n \/\/\u63a5\u53e3\u91cc\u9762\u7684\u6240\u6709\u65b9\u6cd5\u9ed8\u8ba4\u90fd\u662f\u62bd\u8c61\u65b9\u6cd5\uff0c\u4e5f\u5c31\u662f\u8981\u7ee7\u627f\u7684\u5b50\u7c7b\u5fc5\u987b\u8981\u8986\u76d6\u63a5\u53e3\u91cc\u9762\u7684\u65b9\u6cd5\r\n public function run3(); \/\/\u9ed8\u8ba4\u65b9\u6cd5\u90fd\u662f\u52a0\u4e86abstract\r\n}\r\n\r\n\r\nclass Son implements Pa,Pa2{ \/\/\u5b50\u7c7b\u7ee7\u627f\u63a5\u53e3\u7528implements,\u53ef\u4ee5\u591a\u7ee7\u627f\u63a5\u53e3\r\n public function run1(){ \/\/\u5b50\u7c7b\u5fc5\u987b\u91cd\u65b0\u63a5\u53e3\u65b9\u6cd5\r\n }\r\n \r\n public function run2(){ \/\/\u5b50\u7c7b\u5fc5\u987b\u91cd\u65b0\u63a5\u53e3\u65b9\u6cd5\r\n }\r\n \r\n public function run3(){ \/\/\u5b50\u7c7b\u5fc5\u987b\u91cd\u65b0\u63a5\u53e3\u65b9\u6cd5\r\n }\r\n}<\/pre>\n
 <\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
php \u5bf9\u8c61 \u7b14\u8bb0 \/* \u4ee5\u4e0b\u662f\u5144\u5f1f\u8fde\u9762\u5411\u5bf9\u8c61\u7b14\u8bb0 *\/ php\u8981\u521b\u5efa\u5bf9\u8c61 1\uff0c\u58f0\u660e\u7c7b class Peo{  […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-4081","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/4081","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4081"}],"version-history":[{"count":0,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/4081\/revisions"}],"wp:attachment":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}