PRE_DEC
PRE_INC
Opcode Descriptions and Examples
PHP Manual

## PRE_DEC_OBJ

## PHP code

`<?php
/*
*
* opcode number: 133
*/
$obj = new A();
--$obj->num;
?>`

## PHP opcodes

Function name: (null)

Compiled variables: !0=$obj

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
6 | 0 | ZEND_FETCH_CLASS |  |  | :0 | 'A'
| 1 | NEW |  |  | $1 | :0
| 2 | DO_FCALL_BY_NAME |  | 0 |  |
| 3 | ASSIGN |  |  |  | !0,$1
7 | 4 | ZEND_PRE_DEC_OBJ |  |  |  | !0,'num'
8 | 5 | RETURN |  |  |  | 1

PRE_DEC
PRE_INC
Opcode Descriptions and Examples
PHP Manual