UnusedLocalVariable fix for compact handling in Symfony2

[svscorp]

This is a fix for my issue: #60

Here is a little bug. In Symfony 2.1 $func->getImage() returns a string like "Acme/SomethingBundle/compact"

So current code can't handle it. Because this string is not equals to 'compact'.

[beberlei]

This is to broad, you have to check for

(substr($func->getName(), 1 + (strrpos($func->getName(), "\\") ?: -1)) === "compact"

[svscorp]

Hi.

It returns FALSE in my case.

Even separately:
$var = "Acme/SomethingBundle/compact";
$a = (substr($var, 1 + (strrpos($var, "") ?: -1)) === "compact");

var_dump($a);

bool(false)

[svscorp]

It is still exists... I have updated my phpmd and I getting violations in my Symfony2 project about unused local variables again :(

[svscorp]

Please, review the latest PR

[thecodeassassin]

Please accept this PR @beberlei