PHP 클래스와 객체에 대한 포괄적인 이해

[php] view plaincopyprint?
 function autoload($class){
   require_once("classes/$class.class.php");
 }

[php] view plaincopyprint?

    view sourceprint?  
    // Main.class    
      
    function autoload($class_name) {     
         $path = str_replace('_', DIRECTORY_SEPARATOR, $class_name);     
         require_once $path.'.php';     
     }

   <?php     
      
    $arr = array (     
         &#39;Project/Classes&#39;,     
        &#39;Project/Classes/Children&#39;,     
        &#39;Project/Interfaces&#39;    
     );    
      
     foreach($arr as $dir) {     
      
        $dir_list = opendir($dir);    
      
        while ($file = readdir($dir_list)) {     
             $path = $dir.DIRECTORY_SEPARATOR.$file;     
             if(in_array($file, array(&#39;.&#39;, &#39;..&#39;)) || is_dir($path))     
                 continue;    
             if (strpos($file, ".class.php"))     
                 require_once $path;     
         }     
    }     
      
     ?>

    view sourceprint?  
    // configuration.php           
    array_of_associations = array(     
        'MainSuperClass' = 'C:/Main/Super/Class.php',     
        'MainPoorClass' = 'C:/blablabla/gy.php'    
     );

    <?php     
        require &#39;autoload_generated.php&#39;;    
        function autoload($className) {     
           global $autoload_list;     
           require_once $autoload_list[$className];     
        }    
          $x = new A();     
    ?>

    class Person {  
        public $name;  
        public $age;  
      
        //定义一个构造方法初始化赋值  
        public function construct($name,$age) {  
            $this->name=$name;  
            $this->age=$age;  
        }  
        public function say() {  
            echo "my name is :".$this->name."<br />";  
            echo "my age is :".$this->age;  
        }  
        //析构函数  
        function destruct()  
        {  
            echo "goodbye :".$this->name;  
        }  
    }  
      
    $p1=new Person("ren", 25);  
    $p1->say();

class MyClass  
{  
    public $public = 'Public';  
    protected $protected = 'Protected';  
    private $private = 'Private';  
  
    function printHello()  
    {  
        echo $this->public;  
        echo $this->protected;  
        echo $this->private;  
    }  
}  
  
$obj = new MyClass();  
echo $obj->public; // 这行能被正常执行  
echo $obj->protected; // 这行会产生一个致命错误  
echo $obj->private; // 这行也会产生一个致命错误  
$obj->printHello(); // 输出 Public、Protected 和 Private

    class Person {  
        public $name;  
        public $age;  
      
        function say() {  
            echo "my name is:".$this->name."<br />";  
        echo "my age is:".$this->age;  
        }  
    }  
      
    // 类的继承  
    class Student extends Person {  
        var $school;    //学生所在学校的属性  
          
        function study() {  
            echo "my name is:".$this->name."<br />";  
            echo "my shool is:".$this->school;  
        }         
    }  
      
    $t1 = new Student();  
    $t1->name = "zhangsan";  
    $t1->school = "beijindaxue";  
    $t1->study();

    <?php  
    class OtherClass extends MyClass  
    {  
        public static $my_static = &#39;static var&#39;;  
      
        public static function doubleColon() {  
            echo parent::CONST_VALUE . "\n";  
            echo self::$my_static . "\n";  
        }  
    }  
      
    OtherClass::doubleColon();  
    ?>