E_STRICT messages in Pear MDB2

I have set php.ini error_reporting = E_ALL | E_STRICT and notice that
the Pear MDB2 package will generate 35 Strict Standards messages every
time I load it. Is this something to be concerned about? Is this
typical of other Pear packages? I know that someone will tell me to
set error_reporting = E_ALL, but I like my code to be as compliant as
possible.