BOOL_XOR
BW_AND
Opcode Descriptions and Examples
PHP Manual

## BRK

## PHP code

`<?php
/*
* ??? End of a case block exists the current switch block. Followed by JMP?
* opcode number: 50
*/
$x = 0;
while(1) {
if($x == 0) break;
}
?>`

## PHP opcodes

Function name: (null)

Compiled variables: !0=$x

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
6 | 0 | ASSIGN |  |  |  | !0,0
7 | 1 | JMPZ |  |  |  | 1,->7
8 | 2 | IS_EQUAL |  |  | ~1 | !0,0
| 3 | JMPZ |  |  |  | ~1,->6
| 4 | BRK |  |  |  | 1
| 5 | JMP |  |  |  | ->6
9 | 6 | JMP |  |  |  | ->1
10 | 7 | RETURN |  |  |  | 1

BOOL_XOR
BW_AND
Opcode Descriptions and Examples
PHP Manual