query("SELECT id, ST_SRID(geom) as srid FROM warga_miskin LIMIT 5"); echo "warga_miskin SRIDs: \n"; while ($row = $stmt->fetch()) echo $row['id'] . " => " . $row['srid'] . "\n"; $stmt = $pdo->query("SELECT id, ST_SRID(geom) as srid FROM rumah_ibadah LIMIT 5"); echo "rumah_ibadah SRIDs: \n"; while ($row = $stmt->fetch()) echo $row['id'] . " => " . $row['srid'] . "\n"; } catch (Exception $e) { echo "ERROR: " . $e->getMessage(); }