1 files changed, 3 insertions, 0 deletions

diff --git a/src/sp_utils.c b/src/sp_utils.c
index af78d20..7ec98cf 100644
--- a/src/sp_utils.c
+++ b/src/sp_utils.c
@@ -398,6 +398,9 @@ bool /* success */ _hook_function(const char* original_name, HashTable* hook_tab
     if (func->type != ZEND_INTERNAL_FUNCTION) {
       return false;
     }
+    if (func->internal_function.handler == new_function) {
+      return true;
+    }
     if (zend_hash_str_add_new_ptr((hook_table), VAR_AND_LEN(original_name),
                                   func->internal_function.handler) == NULL) {
       // LCOV_EXCL_START