## FETCH_OBJ_R

## PHP コード

`<?php
/*
* Fetch the "prop-name" property value of this object. Read-only?
* opcode number: 82
*/
$x = new A();
$a = 'x';
echo $$a->num;
?>`

## PHP オペコード

関数名: (null)

コンパイルされた変数: !0=$x, !1=$a

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 | ASSIGN |  |  |  | !1,'x'
8 | 5 | FETCH_R | local |  | $5 | !1
| 6 | FETCH_OBJ_R |  |  | $6 | $5,'num'
| 7 | ECHO |  |  |  | $6
9 | 8 | RETURN |  |  |  | 1