/**
  * Will iterate the tokens looking for functions validating they have the
  * correct camelBack naming style.
  *
  * @param  Testable $testable The testable object
  * @return void
  */
 public function apply($testable, array $config = array())
 {
     $tokens = $testable->tokens();
     $filtered = $testable->findAll(array(T_FUNCTION));
     foreach ($filtered as $key) {
         $token = $tokens[$key];
         $label = Parser::label($key, $tokens);
         $modifiers = Parser::modifiers($key, $tokens);
         $isClosure = Parser::closure($key, $tokens);
         if (in_array($label, $this->_magicMethods)) {
             continue;
         }
         if ($testable->findNext(array(T_PROTECTED), $modifiers) !== false) {
             $label = preg_replace('/^_/', '', $label);
         }
         if (!$isClosure && $label !== Inflector::camelize($label, false)) {
             $this->addViolation(array('message' => 'Function "' . $label . '" is not in camelBack style', 'line' => $tokens[$tokens[$key]['parent']]['line']));
         }
     }
 }
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    public function testClosureIsClosure()
    {
        $code = <<<EOD
\$foo = function() {
\treturn false;
}
EOD;
        $tokenized = Parser::tokenize($code);
        $tokens = $tokenized['tokens'];
        $this->assertIdentical(T_FUNCTION, $tokens[4]['id']);
        $isClosure = Parser::closure(4, $tokens);
        $this->assertTrue($isClosure);
    }