UNSET_OBJ
USER_OPCODE
Opcode Descriptions and Examples
PHP Manual

## UNSET_VAR

## PHP code

`<?php
/*
* Unset the variable and store the original value into "result".
* opcode number: 74
*/
$x = 1;
$a='x';
unset($$a);
?>`

## PHP opcodes

Function name: (null)

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

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
6 | 0 | ASSIGN |  |  |  | !0,1
7 | 1 | ASSIGN |  |  |  | !1,'x'
8 | 2 | UNSET_VAR |  |  | $2 | !1
9 | 3 | RETURN |  |  |  | 1

UNSET_OBJ
USER_OPCODE
Opcode Descriptions and Examples
PHP Manual