Extract certificates and key from PFX.

extractpfx.php

<?php
//Requires php with the openssl module.
//This is useful for instances where installing openssl isn't an option
// but PHP is available, like on Windows servers using WAMP.

//use php extractpfx.php /path/tocert.pfx "pass phrase"

//http://php.net/manual/en/function.openssl-pkcs12-read.php
if(file_exists($argv[1])) {
  $rawpfx = file_get_contents($argv[1]);
  $crts = array();
  $parsed = openssl_pkcs12_read($rawpfx, $crts, (isset($argv[2])) ? $argv[2] : "");
  echo $crts["cert"];
  if(isset($crts["pkey"])) 
    echo $crts["pkey"];

  if(isset($crts["extracerts"])) {
    foreach($crts["extracerts"] as $c) {
      echo $c;
    }
  }
} else {
  error_log("File doesn't exist");
}