.drop() is not a `nop` anymore

`.drop()` is now baillout out, instead of nop'ing the call.

This closes #13

1 files changed, 1 insertions, 0 deletions

diff --git a/src/sp_unserialize.c b/src/sp_unserialize.c
index b3dfad7..64e34a5 100644
--- a/src/sp_unserialize.c
+++ b/src/sp_unserialize.c
@@ -13,6 +13,7 @@ PHP_FUNCTION(sp_serialize) {
     sp_log_err("disabled_functions",
         "Unable to find the pointer to the original function 'serialize' in "
         "the hashtable.\n");
+    return;
   }
 
   /* Compute the HMAC of the textual representation of the serialized data*/