IS_NOT_EQUAL
IS_SMALLER
Opcode Descriptions and Examples
PHP Manual

## IS_NOT_IDENTICAL

## PHP code

`<?php
/*
* compares value1 and value2 to see if they are unequal or of different types
* opcode number: 16
*/
echo (1 !== 1);
?>`

## PHP opcodes

Function name: (null)

Compiled variables: none

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

IS_NOT_EQUAL
IS_SMALLER
Opcode Descriptions and Examples
PHP Manual