SEND_VAR_NO_REF
SR
Opcode Descriptions and Examples
PHP Manual

## SL

## PHP code

`<?php
/*
* Shift value1 by balue2 bits to left
* opcode number: 6
*/
echo 8 << 2;
?>`

## PHP opcodes

Function name: (null)

Compiled variables: none

line | # | op | fetch | ext | return | operands
--- | --- | --- | --- | --- | --- | ---
6 | 0 | SL |  |  | ~0 | 8,2
| 1 | ECHO |  |  |  | ~0
7 | 2 | RETURN |  |  |  | 1