CodeGen_Maintainer | --CodeGen_PECL_Maintainer
int comp( object maintainer $m1, object maintainer $m2)
We need to sort maintainers by role as package.xml 2.0 requires this. This callback can be used by usort() to sort an array of Maintainer objects
string packageXml( )
string packageXml2( )
string phpinfoCode( )