[Typo3] php-script and pidinlist

[Markus Bucher - typo3]

Hello List,

is it possible to assign the output of a php-script as value for a 
pidInList-Statement?

like:
#temp.pidInList = 301
temp.select.pidInList = PHP_SCRIPT_EXT
temp.select.pidInList.value = path_to_my_php

Thanks

Markus