FETCH_IS
FETCH_OBJ_IS
Opcodes
PHP Manual

## FETCH_OBJ_FUNC_ARG

## PHP code

`<?php
/*
*
* opcode number: 94
*/
include './classA.php';
function foo(&$x)
{
print($x);
}
$z = "foo";
$obj = new A();
print $obj->num;
$z($obj->num);
?>`

## PHP opcodes

Function name: (null)

Compiled variables: !0=$z, !1=$obj

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
6 | 0 | INCLUDE_OR_EVAL |  |  |  | '.%2FclassA.php',INCLUDE
8 | 1 | NOP |  |  |  |
13 | 2 | ASSIGN |  |  |  | !0,'foo'
15 | 3 | ZEND_FETCH_CLASS |  |  | :2 | 'A'
| 4 | NEW |  |  | $3 | :2
| 5 | DO_FCALL_BY_NAME |  | 0 |  |
| 6 | ASSIGN |  |  |  | !1,$3
16 | 7 | FETCH_OBJ_R |  |  | $6 | !1,'num'
| 8 | PRINT |  |  | ~7 | $6
| 9 | FREE |  |  |  | ~7
17 | 10 | INIT_FCALL_BY_NAME |  |  |  | !0
| 11 | FETCH_OBJ_FUNC_ARG |  |  | $8 | !1,'num'
| 12 | SEND_VAR |  |  |  | $8
| 13 | DO_FCALL_BY_NAME |  | 1 |  |
19 | 14 | RETURN |  |  |  | 1

Function name: foo

Compiled variables: !0=$x

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
8 | 0 | RECV |  |  |  | 1
10 | 1 | PRINT |  |  | ~0 | !0
| 2 | FREE |  |  |  | ~0
11 | 3 | RETURN |  |  |  | null

Function name: foo

Compiled variables: !0=$x

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
8 | 0 | RECV |  |  |  | 1
10 | 1 | PRINT |  |  | ~0 | !0
| 2 | FREE |  |  |  | ~0
11 | 3 | RETURN |  |  |  | null

FETCH_IS
FETCH_OBJ_IS
Opcodes
PHP Manual