Vis block efter taxonomy term ID

Her er valgt term ID = 22
Kode (XHTML, PHP, CSS etc.): 
<?php $desired_term = 22; if ( arg(0) == 'node' and is_numeric(arg(1)) and arg(2) == FALSE ) { $node = node_load(arg(1)); return (bool) $node->taxonomy[$desired_term]; } ?>