note 88394 deleted from language.oop5.static by cmb
| From: | cmb@php.net | Date: | Sun, 01 Sep 2019 07:34:09 +0000 |
| Subject: | note 88394 deleted from language.oop5.static by cmb | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-212059@lists.php.net to get a copy of this message | ||
Note Submitter: yesmarklapointe at hotmail dot com
----
<?php
// experiments with static
// tested on PHP 5.2.6 on 1-21-09
class User{
const GIVEN = 1; // class constants can't be labeled static nor assigned visibility
public $a=2;
public static $b=3;
public function me(){
echo "print me";
}
public static function you() {
echo "print you";
}
}
class myUser extends User {
}
// Are properties and methods instantiated to an object of a class, & are they accessible?
//$object1= new User(); // uncomment this line with each of the following lines individually
//echo $object1->GIVEN . "</br>"; // yields nothing
//echo $object1->GIVE . "</br>"; // deliberately misnamed, still yields nothing
//echo $object1->User::GIVEN . "</br>"; // yields nothing
//echo $object1->a . "</br>"; // yields 2
//echo $object1->b . "</br>"; // yields nothing
//echo $object1->me() . "</br>"; // yields print me
//echo $object1->you() . "</br>"; // yields print you
// Are properties and methods instantiated to an object of a child class, & are accessible?
//$object2= new myUser(); // uncomment this line with each of the following lines individually
//echo $object2->GIVEN . "</br>"; // yields nothing
//echo $object2->a . "</br>"; // yields 2
//echo $object2->b . "</br>"; // yields nothing
//echo $object2->me() . "</br>"; // yields print me
//echo $object2->you() . "</br>"; // yields print you
// Are the properties and methods accessible directly in the class?
//echo User::GIVEN . "</br>"; // yields 1
//echo User::$a . "</br>"; // yields fatal error since it is not static
//echo User::$b . "</br>"; // yields 3
//echo User::me() . "</br>"; // yields print me
//echo User::you() . "</br>"; // yields print you
// Are the properties and methods copied to the child class and are they accessible?
//echo myUser::GIVEN . "</br>"; // yields 1
//echo myUser::$a . "</br>"; // yields fatal error since it is not static
//echo myUser::$b . "</br>"; // yields 3
//echo myUser::me() . "</br>"; // yields print me
//echo myUser::you() . "</br>"; // yields print you
?>