stdClass is the default PHP object.

 http://www.devshed.com/c/a/PHP/PHP-Services-Layers-Data-Mappers/

stdClass is the default PHP object. stdClass has no properties,
methods or parent. It does not support magic methods, and implements no
interfaces.

https://stackoverflow.com/questions/1980015/model-mapper-relationship

When you cast a scalar or array as Object, you get an instance of
stdClass. You can use stdClass whenever you need a generic object
instance.

http://assets.en.oreilly.com/1/event/36/PHP%20Object-Relational%20Mapping%20Libraries%20In%20Action%20Presentation.pdf

<?php
// ways of creating stdClass instances
$x = new stdClass;
$y = (object) null;        // same as above
$z = (object) 'a';         // creates property 'scalar' = 'a'
$a = (object) array('property1' => 1, 'property2' => 'b');
?>

https://github.com/marcelgsantos/learning-oop-in-php

stdClass is NOT a base class! PHP classes do not automatically inherit
from any class. All classes are standalone, unless they explicitly
extend another class. PHP differs from many object-oriented languages in
this respect.

https://github.com/domnikl/DesignPatternsPHP/tree/master/Structural/DataMapper

<?php
// CTest does not derive from stdClass
class CTest {
    public $property1;
}
$t = new CTest;
var_dump($t instanceof stdClass);            // false
var_dump(is_subclass_of($t, 'stdClass'));    // false
echo get_class($t) . "\n";                   // 'CTest'
echo get_parent_class($t) . "\n";            // false (no parent)
?>

https://www.sitepoint.com/handling-collections-of-aggregate-roots/

You cannot define a class named 'stdClass'in your code. That name is
already used by the system. You can define a class named ‘Object’.

https://www.sitepoint.com/integrating-the-data-mappers/

You could define a class that extends stdClass, but you would get no
benefit, as stdClass does nothing.

https://github.com/TwisterMW/php-dal-model

http://www.phpdao.com/

 

 

<!doctype html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">  
<meta charset="utf-8">
<title>object 对象</title>
<meta name="keywords" content="geovindu">
<meta name="description" content="涂聚文">  
</head>

<body>

<?php

// object
class User
{
 public $username,$password;

 function getName()
 {
  return $this->username;
 }

 function getPassword()
 {
  return $this->password;

 }



 function Save()
 {
  echo("保存成功!");
 }

}
// UserDesc 继承 User类
class UserDesc extends User
{
 public $realname,$email,$birthday;

 function getRealname()
 {
  return $this->realname;

 }

 function getEmail()
 {
  return $this->email;
 }

 function getBirthday()
 {
  return $this->birthday; 
 }

}

function getMillisecond()
{ 
 list($s1,$s2) = explode(' ', microtime());
 return (float)sprintf('%.0f', (floatval($s1)+floatval($s2)) * 1000); 
}

$object=new User;
print_r($object);echo("<br/>");

$object->username="geovindu"; //
$object->password="888888";// 赋值
print_r($object);echo("<br/>");
$object->Save() ;//显示文字
echo("姓名:".$object->getName()); //显示对象的name值
echo("密码:".$object->getPassword());
$object2=new UserDesc;
$object2->birthday=date('Y-m-d H:i:s');
$object2->email='geovindu@163.com';
$object2->realname='涂聚文';
$object2->username='geovindu';
$object2->password='8888';

print_r($object2);echo("<br/>");

//
class Collection implements ArrayAccess,IteratorAggregate
{
    public $objectArray = Array();
    //**these are the required iterator functions    
    function offsetExists($offset)
    {          
        if(isset($this->objectArray[$offset]))  return TRUE;
        else return FALSE;          
    }    

    function & offsetGet($offset)
    {   
        if ($this->offsetExists($offset))  return $this->objectArray[$offset];
        else return (false);
    }

    function offsetSet($offset, $value)
    {          
        if ($offset)  $this->objectArray[$offset] = $value;
        else  $this->objectArray[] = $value;
    }

    function offsetUnset($offset)
    {
        unset ($this->objectArray[$offset]);
    }

    function & getIterator()
    {
        return new ArrayIterator($this->objectArray);
    }
    //**end required iterator functions

    public function doSomething()
    {
        echo "I'm doing something";
    }
}

// 
class CustomContact
{
    protected $name = NULL;
 protected $tel=null;

    public function set_name($name)
    {
        $this->name = $name;
    }

    public function get_name()
    {
        return ($this->name);
    }

 public function settel($tel)
 {
  $this->tel=$tel;
 }

 public function gettel()
 {
  return ($this->tel);
 }
} 

//
$bob = new Collection();
$bob->doSomething();
$du[]=new CustomContact();
$du[5]=new CustomContact();
$du[0]->set_name("geovindu");
$du[0]->settel("13824350518");
$du[5]->set_name("sibodu");
$du[5]->settel("075582397507");
echo("<br/>");
$num=1;
foreach ($du as $aContact)
{

  echo("序号:".$num."<br/>");
     echo("姓名:".$aContact->get_name() . "\r\n<br/>");
  echo("电话:".$aContact->gettel() . "\r\n<br/>");
 $num=$num+1;
}

$arry =new ArrayObject($du);
print_r($arry);
// 显示
foreach($arry as $obj) 
{
     echo "姓名:" . $obj->get_name();
     echo "电话:". $obj->gettel();
}


?>

</body>
</html>

  

<!doctype html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">  
<meta charset="utf-8">
<title>接口Creating a Data Abstraction Layer in PHP</title>
<meta name="keywords" content="geovindu">
<meta name="description" content="涂聚文"> 
<meta name="author" content="涂聚文">  
</head>

<body>
<?php
//https://github.com/ADOdb/ADOdb
//https://github.com/AdamB7586/pdo-dbal
//https://github.com/daijulong/generator


interface Maxmin{
 public function getMax();

 public function getMin();

}

class msm implements Maxmin{
 private $aa=33;
 private $bb=66;
 //具体实现接口声明的方法
 public function getMax()
 {
  return $this->bb;
 }

 public function getMin()
 {
  return $this->aa;
 }

 public function getOther(){
  return 'geovindu:hi,how are you.';
 }
} 

$msm=new msm();
echo($msm->getMax());
echo("<br/>");
echo($msm->getMin());
echo("<br/>");
echo($msm->getOther());

?>
</body>
</html>

  

<!doctype html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">  
<meta charset="utf-8">
<title>多态性</title>
<meta name="keywords" content="geovindu">
<meta name="description" content="涂聚文"> 
<meta name="author" content="涂聚文">  
</head>

<body>
<?php
//定义蔬菜抽象类
abstract class Vegetables{
 //抽象方法
 abstract function go_Vegetables();
} 

//马铃薯继承蔬菜类
class Vegetables_potato extends Vegetables{
 //重写抽象方法
 public function go_Vegetables(){
  echo("我是马铃薯");
 }
}
//萝卜继承蔬菜类
class Vegetables_radish extends Vegetables{
 public function go_Vegetables()
 {
  echo("我是萝卜");
 }
} 
//自定义方法根据对象调用不同的方法
function change($obj)
{

 if($obj instanceof Vegetables)
 {
  $obj->go_Vegetables();
 }
 else
 {
  echo("输入的参数不是一个对象");
 }
}

try
{ 
echo("实例化Vegetables_potato:");
change(new Vegetables_potato());
echo("<br/>");
echo("<br/>");
echo("实例化Vegetables_radish:"); 
change(new Vegetables_radish());
}
catch(Exception $ex)
{
 echo("异常信息:".$ex->getMessage());
} 
?>
</body>
</html>

  

<!doctype html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">  
<meta charset="utf-8">
<title>通过接口实现多态</title>
<meta name="keywords" content="geovindu">
<meta name="description" content="涂聚文"> 
<meta name="author" content="涂聚文">  
</head>

<body>
<?php
//定义接口
interface Vegetables{
 //定义接口方法
 public function go_Vegetables();
} 

//马铃薯继承蔬菜类
class Vegetables_potato implements Vegetables{
 //重写抽象方法
 public function go_Vegetables(){
  echo("我是马铃薯");
 }
}
//萝卜继承蔬菜类
class Vegetables_radish implements Vegetables{
 public function go_Vegetables()
 {
  echo("我是萝卜");
 }
} 
//自定义方法根据对象调用不同的方法
function change($obj)
{

 if($obj instanceof Vegetables)
 {
  $obj->go_Vegetables();
 }
 else
 {
  echo("输入的参数不是一个对象");
 }
}

try
{
echo("实例化Vegetables_potato:");
change(new Vegetables_potato());
echo("<br/>");
echo("<br/>");
echo("实例化Vegetables_radish:"); 
change(new Vegetables_radish());
}
catch(Exception $ex)
{
 echo("异常信息:".$ex->getMessage());
}
?> 
</body>
</html>

  

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