Developer's Guide - MapGuide Open Source - OSGeo

Examples
These examples assume that the feature class you are querying has an integer
property named year and a string property named owner. To select all features
newer than 2001, create a filter like this:
$queryOptions = new MgFeatureQueryOptions();
$queryOptions->SetFilter('year > 2001');
To select all features built between 2001 and 2004, create a filter like this:
$queryOptions = new MgFeatureQueryOptions();
$queryOptions->SetFilter('year >= 2001 and year