prerm is in php5-sasl 0.1.0-3build2.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 | #!/bin/sh
set -e
# Automatically added by dh_php5
if [ "$1" = "remove" ] || [ "$1" = "deconfigure" ] ; then
    if [ -e /usr/share/php5/php5-maintscript-helper ] ; then
	. /usr/share/php5/php5-maintscript-helper
	
	for conf in sasl  ; do
	    php5_invoke dismod ALL $conf || exit $?
	done
    fi
fi
# End automatically added section
 |