diff --git a/compiler/cpp/src/main.cc b/compiler/cpp/src/main.cc
index da4ce16..0a47e53 100644
--- a/compiler/cpp/src/main.cc
+++ b/compiler/cpp/src/main.cc
@@ -142,6 +142,7 @@
 bool gen_phpi = false;
 bool gen_phps = true;
 bool gen_phpa = false;
+bool gen_phpo = false;
 bool gen_rest = false;
 bool gen_perl = false;
 bool gen_erl = false;
@@ -566,6 +567,7 @@
   fprintf(stderr, "  -phps       Generate PHP server stubs (with -php)\n");
   fprintf(stderr, "  -phpl       Generate PHP-lite (with -php)\n");
   fprintf(stderr, "  -phpa       Generate PHP with autoload (with -php)\n");
+  fprintf(stderr, "  -phpo       Generate PHP with object oriented subclasses (with -php)\n");
   fprintf(stderr, "  -py         Generate Python output files\n");
   fprintf(stderr, "  -rb         Generate Ruby output files\n");
   fprintf(stderr, "  -xsd        Generate XSD output files\n");
@@ -818,7 +820,7 @@
 
     if (gen_php) {
       pverbose("Generating PHP\n");
-      t_php_generator* php = new t_php_generator(program, false, gen_rest, gen_phps, gen_phpa);
+      t_php_generator* php = new t_php_generator(program, false, gen_rest, gen_phps, gen_phpa, gen_phpo);
       php->generate_program();
       delete php;
     }
@@ -971,6 +973,11 @@
           gen_phps = false;
         }
         gen_phpa = true;
+      } else if (strcmp(arg, "-phpo") == 0) {
+        if (!gen_php) {
+          gen_php = true;
+        }
+        gen_phpo = true;
       } else if (strcmp(arg, "-rest") == 0) {
         gen_rest = true;
       } else if (strcmp(arg, "-py") == 0) {