Undeclare a class in PHP

Question

I have a daemon processing quite a bit of MVC logic in the background that includes the classes it needs on demand. Sometimes, however, it comes to a point where it includes two identically named classes from different modules within one cycle. Ideally, I would like to "undeclare" a class before I include it again, I cannot find in the PHP manual however, if this is possible.

Something like this:

//first foo 
class foo(){ 

} 

//undeclare foo 
undeclare foo; 

//create new foo 
class foo(){ 

}

score 11 · Accepted Answer · answered Oct 15 '09 at 12:55

11

It is not possible to "undeclare" a class.

You should probably look into PHP's namespacing or, use a convention for naming your classes similar to

Application_Module_Class

so you would be calling

$x = new Application_Foo_Bar;

to include the Bar class from the Foo module

This also lends itself quite well to using autoload functions

answered Oct 15 '09 at 12:55

Mez

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Unfortunately neither of these solutions are currently possible in my situation. – clops Oct 15 '09 at 13:01
Do you use PHP 5.3? This would offer a solution. – powtac Oct 15 '09 at 13:11
The application cannot be porter to PHP 5.3 in its current state. It is more than 250 Mb of code ;) – clops Oct 16 '09 at 16:35
@powtac could i know the solution for 5.3 ? – beliveyourdream Apr 09 '14 at 20:36
@beliveyourdream Namespacing, as the Answer suggests. – Mez Apr 22 '14 at 10:11

Undeclare a class in PHP

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