PHP Magic Method

<?php/**  Official Document:http://php.net/manual/zh/language.oop5.magic.php*/class magic {         public  $a  = array (1);     protected   $b  = array (2);    private  $c  = array (3);     public  $d  =  ';    public  ' $e  = array (' Huazi ' =>55) ;    /**     *  Construction Method       *   will be set when the class is in power this method      *  This method does not have to demonstrate the      */     function __construct ()     {         echo  ' construction Method: __construct () <br> ';    }             /**     *  when the object is serialized, this method is set first        *  If you do not have thisMagic method   will put   class properties   $a, $b, $c   Serialization      *  This method can specify that those properties are serialized       */    public function __sleep ()      {         return array (  ' A '  ,   ' B '  );     }            /**  The     *  object is deserialized when this method is first      */    public  function __wakeup ()      {         echo 1;    }        /**    The   *  method is used to respond to a class when it is treated as a string. For example  echo  $obj;  should show something.      *  This method must return a string, otherwise a fatal error of  E_RECOVERABLE_ERROR   level will be issued       */    public funCtion __tostring ()     {        return  ' echo  object? <br> ';     }            / **     *  from  PHP 5.1.0  when the  var_export ()    export class is called, this static The   method is called.       *  the only argument to this method is an array that contains press  array (' property '  => value, &NBSP, ...)   class properties arranged in the format.      */    public static function __set_state ($ Array)      {        return  $array [' d '];     }            /**      * PHP 5  introduces the concept of destructors, which is similar to other object-oriented language,     *  such as  c++. Destructors are removed when all references to an object are deleted or executed when an object is explicitly destroyed.       *      *  This method does not have to demonstrate the      */     Public function __destruct ()     {         //echo 55;    }             /**     *  when an inaccessible method is called in an object, __call ()   is called       */    public function __call ($name,  $arguments)  {         echo  ' __call ()  :  ';         //  Note:  $name   value is case-sensitive         var_dump ($name) ;         var_dump ($arguments);         echo  ' <br> ';         if (  $name  ==   ' abc '  )         {             $this $name ();        }    }     PRIVATE&NBSP;FUNCTION&NBSP;ABC ()     {        echo   ' 999<br> ';    }             /**     *  __callstatic ()   is called when a non-accessible method is called in a static manner.       */    public static function  __ callstatic  (  $name  ,   $arguments  )      {         echo  ' __callstatic ()  :  ';         //  Note:  $name   values are case-sensitive         var_dump ( $name);          var_dump ($arguments);        echo  ' <br> ';     }        /**     *   __set ()   is called when a value is assigned to an unreachable property.       */    public function __set (  $name, $val  )     {        echo  ' __set :  Method <br> ';         $this $name  =  $val;     }            /**      *  __get ()   is called when reading the value of an inaccessible property.        */    public function __get ( $ name )     {        echo  ' __get :   Methods <br> ';         return  $this $name;    }             /**     *  is called when a property is present       */    public function __isset ($name)      {         echo  ' __isset :  method <br> ';         return isset (  $this->e[$name] );     }             /**     *   when  unset ()    is called on an inaccessible property, __unset ()   is called.       */    public function __unset ($name)      {        echo  ' __unset :  method <br> ';         unset (  $this $name  );         var_dump ($name);    }             /**     *  called when the object is cloned       */    public function __clone ()     {         echo  ' __clone :  method ';         echo  ':  was cloned <br> ';    }             /**     *  When an attempt is made to invoke an object in a way that invokes a function, __ The Invoke ()   method is called automatically.       */    public function  __invoke  (   $x  )      {        echo  ' __ invoke :  method  <br> ';         var_dump  (  $x  );     } $ob  = new magic ();/** * __sleep ()   case  * var_dump (Serialize ($OB)); *//** * __wakeup  case  *  $ser  =  Serialize ($OB);  * unserialize ($ser); *//** * __tostring  case  * echo   $ob; *//** * __set_state  case   manual  * eval (' $b  =  '. Var_export ($ ob,true). '; ');  * var_dump ($b); *//** * __call  case  *  $ob->meiyou ();  * $ OB-&GT;ABC (; *//** * __callstatic ) Case   * magic::kao (a);  *//**  * __set  case  * print_r ($ob); *  $ob->c=2; * print_r ($ob);  * ** * __get  Case  * print_r ($ob->c); *//** * __isset  case  *  var_dump ( isset ($ob->huazi)  ); *//** * __unset  case  * unset ($ OB-&GT;B); * print_r ($OB); *//** * __clone  case  *  $c  = clone  $ob;  */ /** * __invoke  Case  *  $ob (' hehe ');  */class a{    function  __construct () {            }     function __destruct () {             }    function __call (  $name, $val  ) {             }    static function __callstatic ($ name,  $arguments)  {    }    function __get ($name) {             }    function  __set ($name, $val) {            }     function __unset ($name) {            }    function  __isset ($name) {            }     function __tostring ()  {    }    function __ Set_state ($array)  {    }    function __invoke () {             }    function __clone () {             }    function  __sleep () {    }    function __wakeup () {     }    }

PHP Magic Method