note 71448 deleted from language.oop5.basic by colder
| From: | colder@php.net | Date: | Sun, 19 Aug 2007 23:44:21 +0000 |
| Subject: | note 71448 deleted from language.oop5.basic by colder | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-129619@lists.php.net to get a copy of this message | ||
Note Submitter: jcastromail at yahoo dot es
----
in php 5.2.0 for classes
$obj1 = $obj2;
is equal to
$obj1 = &$obj2;
creating a reference of the object.
<?
class test {
public $var;
}
$instance=new test();
$assigned=new test();
$reference=new test();
$copy=new test();
$instance->var='var of instance';
$assigned->var='var of asigned';
$reference->var='var of reference';
$copy->var='var of copy';
$assigned = $instance;
$reference =& $instance;
$reference->var='var of reference';
echo $instance->var."<br>";
echo $assigned->var."<br>";
echo $reference->var."<br>";
echo $copy->var."<br>";
?>
it's return
var of reference
var of reference
var of reference
var of copy