Zephir\Passes\LocalContextPass::declareVariables PHP Method

    public function declareVariables(array $statement)
    {
        if (isset($statement['data-type'])) {
            if ($statement['data-type'] != 'variable') {
                return;
            }
        }
        foreach ($statement['variables'] as $variable) {
            if (isset($variable['expr'])) {
                if ($variable['expr']['type'] == 'string' || $variable['expr']['type'] == 'empty-array' || $variable['expr']['type'] == 'array') {
                    $this->variables[$variable['variable']] = false;
                    continue;
                }
            }
            if (!isset($this->variables[$variable['variable']])) {
                $this->variables[$variable['variable']] = true;
            }
        }
    }