Re: [PHP-DEV] Pb : access control

Can you cut down the script to like 10 lines and say what your result is 
and what you'd expect?

At 05:37 PM 3/17/2003 +0100, Fabrice Le Coz wrote:
>Hi,
>
>I'm playing with PHP5 and have some trouble wtith access control, here's the
>code I run with last php5 from snaps.php.net under windows XP :
>
><?php
>class pere {
>     private   $var3;
>     public    $var1;
>     protected $var2;
>
>     function __construct() {
>         $this->var1 = "public";
>         $this->var2 = "protected";
>         $this->var3 = "private";
>     }
>
>     function show() {
>         echo "pere::show() \n";
>         echo "var1 : $this->var1\n";
>         echo "var2 : $this->var2\n";
>         echo "var3 : $this->var3\n";
>         echo "\n";
>     }
>}
>
>class fils extends pere {
>     protected $var = "fils";
>     private   $var4 = "test";
>
>     function __construct() {
>         parent::__construct();
>     }
>
>     function show_fils() {
>         echo "fils::show() \n";
>         echo "var1 : $this->var1\n";
>         echo "var2 : $this->var2\n";
>         echo "var3 : $this->var3\n";
>         echo "var  : $this->var\n";
>         echo "\n";
>     }
>}
>
>function show_var($obj) {
>     $obj_vars = get_object_vars($obj);
>     foreach ($obj_vars as $name => $value) {
>         if($name != "") echo "$name : $value\n";
>     }
>     echo "\n";
>}
>
>$test1 = new pere();
>$test1->show();
>echo "Affichage des variables visibles de test1 :\n";
>show_var($test1);
>
>$test2 = new fils();
>$test2->show_fils();
>echo "Affichage des variables visibles de test2 :\n";
>show_var($test2);
>$test2->show();
>echo "var3 : ".$test2->var3."\n";
>echo "var4 : ".$test2->var4."\n";
>?>
>
>and I've the following result :
>
>pere::show()
>var1 : public
>var2 : protected
>var3 : private
>
>Affichage des variables visibles de test1 :
>var1 : public
>
>fils::show()
>var1 : public
>var2 : protected
>var3 : private
>var  : fils
>
>Affichage des variables visibles de test2 :
>var1 : public
>var2 :
>var3 : private
>
>pere::show()
>var1 : public
>var2 : protected
>var3 : private
>
>var3 : private
>
>Fatal error: Cannot access private property fils::$var4 in
>D:\www\test\heritier.php on line 59
>
>Normally in the instance of "fils" object ($test2), I mustn't see
>$this->var3 which is private variable of the parent. if I comment the line
>'echo "var3 : $this->var3\n";' in the show_fils method, $test2->var3 is
>empty but do not generate an error !
>The show_var($test2) function expose a var2 variable which normally must
>send an Fatal error.
>
>     Fabrice Le Coz
>     [email protected]
>
>
>
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