Embeds the results of a PHP script at render-time.
This class implements a Text_Wiki_Parse to embed the contents of a URL inside the page at render-time. Typically used to get script output. This differs from the 'include' rule, which incorporates results at parse-time; 'embed' output does not get parsed by Text_Wiki, while 'include' ouput does.
This rule is inherently not secure; it allows cross-site scripting to occur if the embedded output has