You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: php_exe.rb
    path of file: ./repos/metasploit-framework/lib/msf/core/exploit
    
    the code of the file until where you have to start completion: # -*- coding: binary -*-

###
#
# This module exposes a simple method to create an payload in an executable.
#
###

module Msf
module Exploit::PhpEXE
  include Exploi
    
  def get_write_exec_payload(opts={})
    case target_arch.first
    when ARCH_PHP
      php = payload.encoded
    else
      bin_name = Rex::Text.rand_text_alpha(8)
      if opts[:writable_path]
        bin_name = [opts[:writable_path], bin_name].join("/")
      else
        bin_name = "./#{bin_name}"
      end