谁能破解这个源码，据说这是一个php加密程序

<?php
error_reporting(0);
header("content-type:text/html; charset=utf-8");
$bydz=$_SERVER["QUERY_STRING"];//获取本页地址
if($bydz == "")
{
echo '加密API';
}else{

if($_GET['jm'] == "")
		{
		echo '待加密文件为空!';
		}else
		{
 	      function RandAbc($length=""){//返回随机字符串
 	  
 	   
 	     $str="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 	     return str_shuffle($str);
 	    
 	   }
 	   
 	  
 	  $filepath=$_GET['jm'];
 	  $path_parts= pathinfo($filepath);
 	  $filename=$path_parts["basename"];
 	  
 	  $T_k1=RandAbc();//随机密匙1
 	  
 	  $T_k2=RandAbc();//随机密匙2
 	  
   
 	  $vstr=file_get_contents($filename);//要加密的文件
 	  
 	  $v1=base64_encode($vstr);
 	  
 	  
 	  $c=strtr($v1,$T_k1,$T_k2);//根据密匙替换对应字符。
 	  
 	  
 	  $c=$T_k1.$T_k2.$c;
 	  
 	  
 	  $q1="_wME8wT094PMDBPME9PME9vTzAwT67zBPT2555555zBPb555554zBPbz5BP8MDAwPSJ3amFoZGJCS";
 	  $q2="_wME8wT09PMDBPME9PME9vTzAwTzBP255555TzBP55355257bzBPbz5555544525BP57568MDwPSJ3EdUWHh0Z_mNPa554549aXV";
 	  $q3="_wME8wT09PMDBPME9PME9vTzAwTzBPTzBPbzBPbzBPMDAwPSJ3amFoZGJCS_HlFSlBZbE555554785585455555dUWHh0ZmNPaURxS1J2bXBSUFGclZ1c0NMVW9_OU2VXWmtuUWd6V3pMVER2aXV";
 	  $q4="_wME8wT09PMDBPME9PME9vTzAwTzBPTzB_PbzBPbzBPMDAwPSJ3amFoZGJCSHlFSlBZbEdUWHh0ZmNPaURxS1J2bXBNSUFGclZ1c_0NMVW9OU2VXWmtuUWd6V3pMVER2XV";
 	  $q5="_wME8wT09PMDBPME9PME9vTzAwTzBPTzBPbz_BPbzBPMDAwPSJamFoZGJCSHlFSlBZbEdUWHh0ZmNPaURxS1J2bXBNSUFGclZ1_c0NMVW9OU2VXWmtuUWd6V3pMVER2aXV";
 	  $q6="ME8wT09PMDBPME9PME9vTzAwTzBPTzBPb_zBPbzBPMDAwPSJ3amFoZGJCSHlFSlBZbEUWHh0ZmNPaURxS1J2bXBNSUFGclZ1c0_NMVW9OU2VXWmtuUWd6V3pMVER2aXV";
 	  $s='$'.$q6.'=urldecode("%6E1%7A%62%2F%6D%615%5C%76%740%6928%2D%70%78%75%71%79%2A6%6C%72%6B%64%679%5F%65%68%63%73%77%6F4%2B%6637%6A");/*｜●﹏●｜加密神器*/$'.$q1.'=$'.$q6.'{3}.$'.$q6.'{6}.$'.$q6.'{33}.$'.$q6.'{30};$'.$q3.'=$'.$q6.'{33}.$'.$q6.'{10}.$'.$q6.'{24}.$'.$q6.'{10}.$'.$q6.'{24};$'.$q4.'=$'.$q3.'{0}.$'.$q6.'{18}.$'.$q6.'{3}.$'.$q3.'{0}.$'.$q3.'{1}.$'.$q6.'{24};$'.$q5.'=$'.$q6.'{7}.$'.$q6.'{13};$'.$q1.'.=$'.$q6.'{22}.$'.$q6.'{36}.$'.$q6.'{29}.$'.$q6.'{26}.$'.$q6.'{30}.$'.$q6.'{32}.$'.$q6.'{35}.$'.$q6.'{26}.$'.$q6.'{30};eval($'.$q1.'("'.base64_encode('$'.$q2.'="'.$c.'";eval(\'?>\'.$'.$q1.'($'.$q3.'($'.$q4.'($'.$q2.',$'.$q5.'*2),$'.$q4.'($'.$q2.',$'.$q5.',$'.$q5.'),$'.$q4.'($'.$q2.',0,$'.$q5.'))));').'"));';
 	  
 	  $s='<?
 	  '.$s.
 	 '
 	   ?>';
 	  
 	  echo $s;
 	  //生成 加密后的PHP文件
 	  !is_dir('create/') && mkdir('create/');
 	  $fpp1 = fopen('create/'.$filename,'w');
 	  fwrite($fpp1,$s) or die('写文件错误');
 	  echo '加密成功！';
	  }
	  }
 ?>