public function analyze()
{
// GPC + R
$this->atomIs('Variable')->codeIs(array('$argv', '$argc'), true);
$this->prepareQuery();
// $_SERVER + special index
$this->atomIs('Variable')->codeIs('$_SERVER', true)->inIs('VARIABLE')->outIs('INDEX')->noDelimiterIs(array('argc', 'argv'))->back('first');
$this->prepareQuery();
// STDIN is defined or used
}