PHPCfg\Printer\Text::printVars PHP Method

    public function printVars(Func $func)
    {
        $rendered = $this->render($func);
        $output = '';
        foreach ($rendered['varIds'] as $var) {
            $id = $rendered['varIds'][$var];
            $output .= "\nVar#{$id}";
            $output .= $this->indent("\n" . "WriteOps:");
            foreach ($var->ops as $writeOp) {
                if ($rendered['ops']->contains($writeOp)) {
                    $output .= $this->indent("\n" . $rendered['ops'][$writeOp]['label'], 2);
                }
            }
            $output .= $this->indent("\n" . "ReadOps:");
            foreach ($var->usages as $usage) {
                if ($rendered['ops']->contains($usage)) {
                    $output .= $this->indent("\n" . $rendered['ops'][$usage]['label'], 2);
                }
            }
            $output .= "\n";
        }
        return $output;
    }