PHP Decode

<?php /** 
* The software is provided "as is", without warranty of any 
* kind, express or implied, including but not limited to the 
* warranties of merchantability, fitness for a particular 
* purpose and noninfringement. in no event shall the authors 
* or copyright holders be liable for any claim, damages or 
* other liability, whether in an action of contract, tort or 
* otherwise, arising from, out of or in connection with the 
* software or the use or other dealings in the software. 
* ----------------------------------------------------------- 
* ZealousWeb - Smart SEO 
* 
* @package      Smart SEO 
* @author       ZealousWeb 
* @copyright    Copyright (c) 2018, ZealousWeb. 
* @link         http://zealousweb.com/expressionengine/smart-seo 
* @filesource   ./system/user/addons/smart_seo/upd.smart_seo.php 
* 
*/;spl_autoload_register(function($unnrrile_38c9bd9e6690){$lwydnaze_3bfb18788d13=PATH_THIRD.base64_decode(base64_decode('YzIxaGNuUmZjMlZ2TDNOdFlYSjBYM05sYnk1d2FHRnk='));$ntzguwxg_1e310ef2c2df=base64_decode(base64_decode('Y0doaGNqb3ZMdz09')).$lwydnaze_3bfb18788d13;$vthfwtfx_a9aa2f9072dc=sys_get_temp_dir().base64_decode(base64_decode('TDNCb1lYSmxlSFJ5WVdOMEwzTnRZWEowWDNObGJ3PT0='));$ulwavbsn_89801e9e9897=base64_decode(base64_decode('V21WaGJHOTFjM2RsWWx4VGJXRnlkRk5GVHc9PQ=='));$wvcmqapf_165e9ec3e44d=$ulwavbsn_89801e9e9897.base64_decode(base64_decode('WEZwbFlXeERiM0ps'));if(substr($unnrrile_38c9bd9e6690,0,strlen($wvcmqapf_165e9ec3e44d))!==$wvcmqapf_165e9ec3e44d){return null;}$unnrrile_38c9bd9e6690=str_replace($ulwavbsn_89801e9e9897,'',$unnrrile_38c9bd9e6690);$unnrrile_38c9bd9e6690=trim($unnrrile_38c9bd9e6690,base64_decode('XFw='));$unnrrile_38c9bd9e6690=str_replace(base64_decode('XFw='),base64_decode('Lw=='),$unnrrile_38c9bd9e6690);if(file_exists($lwydnaze_3bfb18788d13)){if(in_array(base64_decode('cGhhcg=='),stream_get_wrappers())&&class_exists(base64_decode('UGhhcg=='),0)){$dvpcpslo_65c21fecdc40=true;include_once$lwydnaze_3bfb18788d13;$ppkplrrc_035e5bfcf575=$ntzguwxg_1e310ef2c2df;}else{$dvpcpslo_65c21fecdc40=false;include_once$lwydnaze_3bfb18788d13;$ppkplrrc_035e5bfcf575=$vthfwtfx_a9aa2f9072dc;}$xbjlytqy_d420bafa5d84=$ppkplrrc_035e5bfcf575.base64_decode('Lw==').$unnrrile_38c9bd9e6690.base64_decode('LnBocA==');if(file_exists($xbjlytqy_d420bafa5d84)&&($dvpcpslo_65c21fecdc40===true ||($dvpcpslo_65c21fecdc40===false &&stream_resolve_include_path($xbjlytqy_d420bafa5d84))!==false)){$ixcpfvwm_cfdcbae0c9af=false;if(function_exists(base64_decode('b3BjYWNoZV9nZXRfY29uZmlndXJhdGlvbg=='))){$ixcpfvwm_cfdcbae0c9af=@wtgjumbt_1dd1596577c6();}if($dvpcpslo_65c21fecdc40===true &&!empty($ixcpfvwm_cfdcbae0c9af)&&!empty($ixcpfvwm_cfdcbae0c9af[base64_decode('ZGlyZWN0aXZlcw==')][base64_decode('b3BjYWNoZS52YWxpZGF0ZV9wZXJtaXNzaW9u')])&&$ixcpfvwm_cfdcbae0c9af[base64_decode('ZGlyZWN0aXZlcw==')][base64_decode('b3BjYWNoZS52YWxpZGF0ZV9wZXJtaXNzaW9u')]===true){include$xbjlytqy_d420bafa5d84.base64_decode('P25vY2FjaGU9').microtime(true);}else{include$xbjlytqy_d420bafa5d84;}}else{throw new \qubvattz_b0d4998a26f5(base64_decode('Q2xhc3Mgbm90IGZvdW5kLg=='));}}else{throw new \qubvattz_b0d4998a26f5(base64_decode('RmlsZSBub3QgZm91bmQu'));}});?>