fun

hack.php

<?php

class Foo {

  public function bar() {

    return "bar";
  }

  public static function baz() {

    return "baz";
  }
}

$foo = new Foo();

$code = '

echo $foo.bar(); 
echo Foo::baz();

';

$newcode = str_replace(".", "->", $code);

eval($newcode);