Z_TRY_ADDREF     2424 Zend/zend_compile.c 			Z_TRY_ADDREF(expr_node->u.constant);
Z_TRY_ADDREF     1486 ext/mysqlnd/mysqlnd_ps.c 			Z_TRY_ADDREF(stmt->param_bind[i].zv);
Z_TRY_ADDREF     1620 ext/mysqlnd/mysqlnd_ps.c 			Z_TRY_ADDREF(stmt->result_bind[i].zv);
Z_TRY_ADDREF      747 ext/pdo_mysql/mysql_statement.c 		Z_TRY_ADDREF(S->stmt->data->result_bind[colno].zv);