Add collection return type (arrays)

Author: Caitlin Bales (MSFT)

Templates/PHP/Model/EntityType.php.tt

@@ -63,17 +63,27 @@ foreach(var property in entity.Properties.Where(prop => prop.Type.GetTypeString(
     /** 
     * Gets the <#=property.Name#>
     *
-    * @return <#=propertyNameCap#>CollectionPage The <#=property.Name#>
+    * @return array(<#=property.Name.ToCheckedCase().Remove(property.Name.ToCheckedCase().Length - 1)#>) The <#=property.Name#>
     */
     public function get<#=property.Name.ToCheckedCase()#>()
     {
         if (array_key_exists("<#=property.Name.ToCamelize()#>", $this->_propDict)) {
-            return <#=propertyNameCap#>CollectionPage($this->_propDict["<#=property.Name.ToCamelize()#>"]);
+		    if (array_key_exists(0, $this->_propDict["<#=property.Name.ToCamelize()#>"]) && 
+                is_a($this->_propDict["<#=property.Name.ToCamelize()#>"][0], 'Microsoft\\Graph\\Model\\<#=property.Name.ToCheckedCase().Remove(property.Name.ToCheckedCase().Length - 1)#>')) {
+                return $this->_propDict["<#=property.Name.ToCamelize()#>"];
+            } else {
+                $collection = array();
+                foreach ($this->_propDict["<#=property.Name.ToCamelize()#>"] as $item)
+                {
+                    $collection[] = new <#=property.Name.ToCheckedCase().Remove(property.Name.ToCheckedCase().Length - 1)#>($item);
+                }
+                $this->_propDict["<#=property.Name.ToCamelize()#>"] = $collection;
+                return $this->_propDict["<#=property.Name.ToCamelize()#>"];
+			}
         } else {
             return null;
         }
     }
-
 
     /** 
     * Sets the <#=property.Name#>