Expose pdo stmt ctor args to gc

These very commonly contain a reference to the PDO object itself.

diff --git a/ext/pdo/pdo_dbh.c b/ext/pdo/pdo_dbh.c
index 8189473524c6400a99d2ad9b3adb6bcf1de495f8..76a5eb452001c61c512d0d73a4e821f1060e468c 100644 (file)
--- a/ext/pdo/pdo_dbh.c
+++ b/ext/pdo/pdo_dbh.c
@@ -1364,6 +1364,14 @@ static int dbh_compare(zval *object1, zval *object2)
        return -1;
 }
 
+static HashTable *dbh_get_gc(zval *object, zval **gc_data, int *gc_count)
+{
+       pdo_dbh_t *dbh = Z_PDO_DBH_P(object);
+       *gc_data = &dbh->def_stmt_ctor_args;
+       *gc_count = 1;
+       return zend_std_get_properties(object);
+}
+
 static zend_object_handlers pdo_dbh_object_handlers;
 static void pdo_dbh_free_storage(zend_object *std);
 
@@ -1381,6 +1389,7 @@ void pdo_dbh_init(void)
        pdo_dbh_object_handlers.free_obj = pdo_dbh_free_storage;
        pdo_dbh_object_handlers.get_method = dbh_method_get;
        pdo_dbh_object_handlers.compare_objects = dbh_compare;
+       pdo_dbh_object_handlers.get_gc = dbh_get_gc;
 
        REGISTER_PDO_CLASS_CONST_LONG("PARAM_BOOL", (zend_long)PDO_PARAM_BOOL);
        REGISTER_PDO_CLASS_CONST_LONG("PARAM_NULL", (zend_long)PDO_PARAM_NULL);