MFB: Fixed bug #44200 (A crash in PDO when no bound targets exists and yet

bound parameters are present)

NEWS

@@ -12,6 +12,8 @@ PHP                                                                        NEWS
 
 
 - Fixed bug #44216 (strftime segfaults on large negative value). (Derick)
+- Fixed bug #44200 (A crash in PDO when no bound targets exists and yet 
+  bound parameters are present). (Ilia)
 - Fixed bug #44209 (strtotime() doesn't support 64 bit timestamps on 64 bit
   platforms). (Derick)
 - Fixed bug #44197 (socket array keys lost on socket_select). (Felipe)

ext/pdo/pdo_stmt.c

@@ -166,6 +166,10 @@ static int dispatch_param_event(pdo_stmt_t *stmt, enum pdo_param_event event_typ
 
 	ht = stmt->bound_params;
 
+	if (ht && !stmt->bound_param_map) {
+		return 0;
+	}
+
 iterate:
 	if (ht) {
 		zend_hash_internal_pointer_reset(ht);