Vulcan Logic Disassembler used to generate opcode from zend engine encoded php files. It does not transform file into original code. It only show opcodes if the setting vld.active is set to 1.

How to Install

  • Unpack the tarball: tar -xzf vld-0.8.0.tgz.
  • cd into the newly created directory.
  • Run “phpize” (Require php-devel package to be installed with Linux distribution)
  • Run “./configure”
  • Run “make install”.

To get opcode run PHP from command line with -dvld.active=1 parameter.

How to Run

php -dvld.active=1 program.php

Written by Bala Krishna

Bala Krishna is web developer and occasional blogger from Bhopal, MP, India. He like to share idea, issue he face while working with the code.