PHP Decode

<?php 
if(!function_exists('sg_load')){$__v=phpversion();$__x=explode('.',$__v);$__v2=$__x[0].'.'.(int)$__x[1];$__u=strtolower(substr(php_uname(),0,3));$__ts=(@constant('PHP_ZTS') || @constant('ZEND_THREAD_SAFE')?'ts':'');$__f=$__f0='ixed.'.$__v2.$__ts.'.'.$__u;$__ff=$__ff0='ixed.'.$__v2.'.'.(int)$__x[2].$__ts.'.'.$__u;$__ed=@ini_get('extension_dir');$__e=$__e0=@realpath($__ed);$__dl=function_exists('dl') && function_exists('file_exists') && @ini_get('enable_dl') && !@ini_get('safe_mode');if($__dl && $__e && version_compare($__v,'5.2.5','<') && function_exists('getcwd') && function_exists('dirname')){$__d=$__d0=getcwd();if(@$__d[1]==':') {$__d=str_replace('\','/',substr($__d,2));$__e=str_replace('\','/',substr($__e,2));}$__e.=($__h=str_repeat('/..',substr_count($__e,'/')));$__f='/ixed/'.$__f0;$__ff='/ixed/'.$__ff0;while(!file_exists($__e.$__d.$__ff) && !file_exists($__e.$__d.$__f) && strlen($__d)>1){$__d=dirname($__d);}if(file_exists($__e.$__d.$__ff)) dl($__h.$__d.$__ff); else if(file_exists($__e.$__d.$__f)) dl($__h.$__d.$__f);}if(!function_exists('sg_load') && $__dl && $__e0){if(file_exists($__e0.'/'.$__ff0)) dl($__ff0); else if(file_exists($__e0.'/'.$__f0)) dl($__f0);}if(!function_exists('sg_load')){$__ixedurl='https://www.sourceguardian.com/loaders/download.php?php_v='.urlencode($__v).'&php_ts='.($__ts?'1':'0').'&php_is='.@constant('PHP_INT_SIZE').'&os_s='.urlencode(php_uname('s')).'&os_r='.urlencode(php_uname('r')).'&os_m='.urlencode(php_uname('m')); ?><?php echo 'Please <a href="https://docs.keitaro.io/en/servermaintenance/server-upgrade.html#how-to-upgrade">upgrade</a> the server.'; ?><?php 
exit();}}return sg_load('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'); 
 ?>