FETCH_CONSTANT
FETCH_DIM_IS
Opcode Descriptions and Examples
PHP Manual

## FETCH_DIM_FUNC_ARG

## PHP code

`<?php
/*
*
* opcode number: 93
*/
function foo(&$x)
{
print($x);
}
$x = array(0, 1, 2, 3, 4, 5);
$z = "foo";
$z($x[0]);
?>`

## PHP opcodes

Function name: (null)

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

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
7 | 0 | NOP |  |  |  |
12 | 1 | INIT_ARRAY |  |  | ~0 | 0
| 2 | ADD_ARRAY_ELEMENT |  |  | ~0 | 1
| 3 | ADD_ARRAY_ELEMENT |  |  | ~0 | 2
| 4 | ADD_ARRAY_ELEMENT |  |  | ~0 | 3
| 5 | ADD_ARRAY_ELEMENT |  |  | ~0 | 4
| 6 | ADD_ARRAY_ELEMENT |  |  | ~0 | 5
| 7 | ASSIGN |  |  |  | !0,~0
13 | 8 | ASSIGN |  |  |  | !1,'foo'
15 | 9 | INIT_FCALL_BY_NAME |  |  |  | !1
| 10 | FETCH_DIM_FUNC_ARG |  |  | $3 | !0,0
| 11 | SEND_VAR |  |  |  | $3
| 12 | DO_FCALL_BY_NAME |  | 1 |  |
17 | 13 | RETURN |  |  |  | 1

Function name: foo

Compiled variables: !0=$x

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
7 | 0 | RECV |  |  |  | 1
9 | 1 | PRINT |  |  | ~0 | !0
| 2 | FREE |  |  |  | ~0
10 | 3 | RETURN |  |  |  | null