diff --git a/php/ext/google/protobuf/php-upb.h b/php/ext/google/protobuf/php-upb.h
index a37e667e2f78..10474556d604 100644
--- a/php/ext/google/protobuf/php-upb.h
+++ b/php/ext/google/protobuf/php-upb.h
@@ -1208,6 +1208,16 @@ UPB_INLINE bool upb_StringView_IsEqual(upb_StringView a, upb_StringView b) {
   return (a.size == b.size) && (!a.size || !memcmp(a.data, b.data, a.size));
 }
 
+// Compares StringViews following strcmp rules.
+// Please note this comparison is neither unicode nor locale aware.
+UPB_INLINE int upb_StringView_Compare(upb_StringView a, upb_StringView b) {
+  int result = memcmp(a.data, b.data, UPB_MIN(a.size, b.size));
+  if (result == 0) {
+    return a.size - b.size;
+  }
+  return result;
+}
+
 // LINT.ThenChange(
 //  GoogleInternalName1,
 //  //depot/google3/third_party/upb/bits/golang/accessor.go:map_go_string,
diff --git a/ruby/ext/google/protobuf_c/ruby-upb.h b/ruby/ext/google/protobuf_c/ruby-upb.h
index 33d0a07eb221..ea668e070b04 100755
--- a/ruby/ext/google/protobuf_c/ruby-upb.h
+++ b/ruby/ext/google/protobuf_c/ruby-upb.h
@@ -1210,6 +1210,16 @@ UPB_INLINE bool upb_StringView_IsEqual(upb_StringView a, upb_StringView b) {
   return (a.size == b.size) && (!a.size || !memcmp(a.data, b.data, a.size));
 }
 
+// Compares StringViews following strcmp rules.
+// Please note this comparison is neither unicode nor locale aware.
+UPB_INLINE int upb_StringView_Compare(upb_StringView a, upb_StringView b) {
+  int result = memcmp(a.data, b.data, UPB_MIN(a.size, b.size));
+  if (result == 0) {
+    return a.size - b.size;
+  }
+  return result;
+}
+
 // LINT.ThenChange(
 //  GoogleInternalName1,
 //  //depot/google3/third_party/upb/bits/golang/accessor.go:map_go_string,