FETCH_DIM_UNSET
FETCH_FUNC_ARG
Opcode Descriptions and Examples
PHP Manual

## FETCH_DIM_W

## PHP code

`<?php
/*
* Fetch the value of the element at "index" in "array-value" to store it in "result". Write-only?
* opcode number: 84
*/
$a = 1;
while($a > 0){
$a = 0;
}
/*$input =array(1,2,3);
while (list($var,) = @each($input)){
unset($$var);
}*/
/*$a = array(1,2,3);
$x = 'a';
$$x[0] = 1;*/
/*while ($b = each($a)) {
print $b;
}*/
?>`

## PHP opcodes

Function name: (null)

Compiled variables: !0=$a

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
6 | 0 | ASSIGN |  |  |  | !0,1
7 | 1 | IS_SMALLER |  |  | ~1 | 0,!0
| 2 | JMPZ |  |  |  | ~1,->5
8 | 3 | ASSIGN |  |  |  | !0,0
9 | 4 | JMP |  |  |  | ->1
23 | 5 | RETURN |  |  |  | 1

FETCH_DIM_UNSET
FETCH_FUNC_ARG
Opcode Descriptions and Examples
PHP Manual