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## FETCH_FUNC_ARG

## PHP code

`<?php
/*
*
* opcode number: 92
*/
function foo($x)
{
}
$x = 1;
$y = "x";
$z = "foo";
$z($$y);
?>`

## PHP opcodes

Function name: (null)

Compiled variables: !0=$x, !1=$y, !2=$z

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
6 | 0 | NOP |  |  |  |
10 | 1 | ASSIGN |  |  |  | !0,1
11 | 2 | ASSIGN |  |  |  | !1,'x'
12 | 3 | ASSIGN |  |  |  | !2,'foo'
14 | 4 | INIT_FCALL_BY_NAME |  |  |  | !2
| 5 | FETCH_FUNC_ARG | local |  | $3 | !1
| 6 | SEND_VAR |  |  |  | $3
| 7 | DO_FCALL_BY_NAME |  | 1 |  |
16 | 8 | RETURN |  |  |  | 1

Function name: foo

Compiled variables: !0=$x

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
6 | 0 | RECV |  |  |  | 1
8 | 1 | RETURN |  |  |  | null

FETCH_DIM_W
FETCH_IS
オペコード一覧
PHP Manual