PHP in a parser

[eluser]kr1pt[/eluser]
Hello. I'm new to parsing, and I want to create this: Instead of:

<some html code>
&lt;?php echo $this->model->some_method($data); ?&gt;
</some html code>

I want to use:
<some html code>
{$this->model->some_method(data)}
</some html code>

Possible? If you understand what I mean.