get_zval_ptr_undef  563 Zend/zend_execute.c 	return get_zval_ptr_undef(op_type, op, execute_data, should_free, type);
get_zval_ptr_undef  946 Zend/zend_vm_execute.h 	args = get_zval_ptr_undef(opline->op1_type, opline->op1, execute_data, &free_op1, BP_VAR_R);