Is there code completion and type hinting in the online Cloud9 IDE?

I have the following code:

class HelloWorld {

  function Foo(HelloSun $sun) {

    return $sun;
$blob = new HelloWorld();

I am always wondering, why c9 is not suggesting "Foo" by typing "$blob->", and also not checking if the parameter type is really a "HelloSun".

Are there options to activate this or are these just desktop IDE features?

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