XF 1.5 How can I print debug messages in an add-on?

[cowgod]

I am trying to debug an old add-on in XenForo 1.5.

I see that XenForo 2 has these functions. Does XenForo 1 have anything similar?

\XF::dump($var);
\XF::dumpSimple($var);

 

[cowgod]

I figured out I can just use var_dump($variable).