PhysicsEditorParser has now been exposed under the Phaser.Physics.Matter namespace, so you can call methods on it directly.

Author: photonstorm

src/physics/matter-js/index.js

@@ -17,6 +17,7 @@ module.exports = {
     PolyDecomp: require('./poly-decomp'),
     Sprite: require('./MatterSprite'),
     TileBody: require('./MatterTileBody'),
+    PhysicsEditorParser: require('./PhysicsEditorParser'),
     World: require('./World')
 
 };