Help I need a decoder Obfuscated

I need a decoder to desencripitar some code from a web that I bought.
The supplier of my website with php stopped working and do not want to give more support.
Example code:

<?php
$PageRequest=$_SERVER()()[Obfuscated]0D 3D 39 32 1F 15 19 31 32 3F 22 36 0E 3D 09 2E 1A 0A 38 39 2D 14 32 [Obfuscated]0D 2B 17 0D 2E 1A 22 1D 0C 03 34 17 2E 40 01 01 06 2D 1F 32 0A 36 22 ;
$PageName=[Obfuscated]0D 3D 39 32 1F 15 19 31 32 3F 22 36 0E 3D 09 2E 1A 0A 38 39 2D 14 32 ("[FullPath To CurrentPhpFile]  (Initial Len was: 81)")()[Obfuscated]0D 2B 17 0D 2E 1A 22 1D 0C 03 34 17 2E 40 01 01 06 2D 1F 32 0A 36 22 ;
while ($PageRequest==$PageName) {
while ($authenticate==authenticate) {
Return (1);
abstract public function settings(){
abstract public function loadtemplate($name){
abstract public function registervariable($tag,$value){
abstract public function checklogin(){
public function __construct($module){
   $MODULES("Informe o modulo a ser carregado na get module.")$MODULES;
      while ($MODULES($module)==216) $module[Obfuscated]0D 09 2D 30 27 19 03 10 35 27 07 33 38 1E 23 14 1F 30 21 5B 35 16 32 ;
   while ([Obfuscated]0D 2A 18 0F 38 2F 1F 36 5C 1D 3D 3C 26 0D 0A 23 1F 19 19 23 1E 2E 01 ()==528) {
$e()
?>

PHP:

Sorry my English, I'm Brazilian!
thanks!