Modify the PHP core Backdoor implementation-vulnerability warning-the black bar safety net

Developing A PHP Core Backdoor Author: wofeiwo/I non-I wofeiwoatgmaildotcom Directory 1Foreword 2The advantages and disadvantages of 3design 4functions to achieve 5reference to documents 6some description 1Foreword PHP is a very popular web server side script language. At present, many web...