Function variables in classes

[Paul van Haren <paul.vanharen@xxxxxxxxx>]

Hi there,

I'm trying to execute function variables. This works fine outside class
code, but gives a fatal error when run within a class. The demo code is
here: 

	<?php

	function bar1 () {
	    echo "Yep, in bar1() right now\n";
	}

	function foo1 () {
	    bar1();

	    $a = "bar1";
	    print_r ($a); echo "\n";
	    $a();
	}

	class foobar {
	    function bar2 () {
	        echo "Yep, in bar2() right now\n";
	    }

	    public function foo2 () {
	        foobar::bar2();

	        $a = "foobar::bar2";
	        print_r ($a); echo "\n";
	        $a();
	    }
	}

	foo1();


	$fb = new foobar ();
	$fb->foo2();
	?>

The error message reads: 
Fatal error: Call to undefined function
foobar::bar2() in /home/paul/demo/demo.php on line 25

Is there anyone out there who can explain what's wrong in this code?

Thanks, Paul

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