Difference between revisions of "ObjectsAndRefs"
From Hashphp.org
| Line 63: | Line 63: | ||
</table> | </table> | ||
| − | |||
| − | |||
| − | |||
| − | |||
Revision as of 16:52, 26 July 2011
This page attempts to provide a visual guide to how objects - and references to them - work in PHP 5.0 and later.
| class SimpleClass { } $instance = new SimpleClass(); |
 |
The above code creates a new class, SimpleClass, with no properties or methods.
It then creates a new instance of this class and attaches it to the variable
named '$instance'. Because objects are "special" [1] in PHP5,
the relationship between the variable '$instance' and the object inside it is
not as direct as you might be expecting...
| |
| $assigned = $instance; |  |
| Explain the code here | |
| $instance->var = '$assigned will have this value as well'; |  |
| Explain the code here | |
| $reference =& $instance; |  |
| Explain the code here | |
| $instance = null; |  |
| Explain the code here | |
