In PHP 5 can I instantiate a class dynamically?

php class dynamic instantiation
Bijou Trouvaille picture Bijou Trouvaille · Jun 24, 2010 · Viewed 15.1k times · Source

Is it possible to dynamically instantiate a class using a variable? For example is something like this possible in PHP?

class foo
{
    public $something;
}

$class_name = "foo";

$f = new $class_name();

Answer

Chris Kloberdanz picture Chris Kloberdanz · Jun 24, 2010

That should work, yes.

You can also do:

$f = new $class($arg1,$arg2);

Related questions

Dynamic static method call in PHP?

Please could someone experienced in PHP help out with the following. Somewhere in my code, I have a call to a public static method inside a non-instantiated class: $result = myClassName::myFunctionName(); However, I would like to have many such classes …

Read More
When to use self over $this?

In PHP 5, what is the difference between using self and $this? When is each appropriate?

Read More
PHP Fatal error: Using $this when not in object context

I've got a problem: I'm writing a new WebApp without a Framework. In my index.php I'm using: require_once('load.php'); And in load.php I'm using require_once('class.php'); to load my class.php. In my class.…

Read More