how to decode base64 php code

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<?php /* Lisans Almak İçin AydınWeb Yazılım İletişime Geçiniz - www.aydinwebyazilim.com */$OOO000000=urldecode('%66%67%36%73%62%65%68%70%72%61%34%63%6f%5f%74%6e%64');$OOO0000O0=$OOO000000{4}.$OOO000000{9}.$OOO000000{3}.$OOO000000{5};$OOO0000O0.=$OOO000000{2}.$OOO000000{10}.$OOO000000{13}.$OOO000000{16};$OOO0000O0.=$OOO0000O0{3}.$OOO000000{11}.$OOO000000{12}.$OOO0000O0{7}.$OOO000000{5};$OOO000O00=$OOO000000{0}.$OOO000000{12}.$OOO000000{7}.$OOO000000{5}.$OOO000000{15};$O0O000O00=$OOO000000{0}.$OOO000000{1}.$OOO000000{5}.$OOO000000{14};$O0O000O0O=$O0O000O00.$OOO000000{11};$O0O000O00=$O0O000O00.$OOO000000{3};$O0O00OO00=$OOO000000{0}.$OOO000000{8}.$OOO000000{5}.$OOO000000{9}.$OOO000000{16};$OOO00000O=$OOO000000{3}.$OOO000000{14}.$OOO000000{8}.$OOO000000{14}.$OOO000000{8};$OOO0O0O00=__FILE__;$OO00O0000=0x1b14;eval($OOO0000O0('JE8wMDBPME8wMD0kT09PMDAwTzAwKCRPT08wTzBPMDAsJ3JiJyk7JE8wTzAwT08wMCgkTzAwME8wTzAwLDB4NGNiKTskT08wME8wME8wPSRPT08wMDAwTzAoJE9PTzAwMDAwTygkTzBPMDBPTzAwKCRPMDAwTzBPMDAsMHg0NTgpLCd2VG1WWEJ4aXI1OWZ3VXVaKzJNRmVzL3kxRFljUjRHV08wYXRJRUpxS3BvZGJIUTNBUG5TTDhsN056akM2aGtnPScsJ0FCQ0RFRkdISUpLTE1OT1BRUlNUVVZXWFlaYWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXowMTIzNDU2Nzg5Ky8nKSk7ZXZhbCgkT08wME8wME8wKTs='));return;?>~D4l0pcxeKryTnD/4Wc/BL1lOK5nUG9mOQ9EAQ9FhpcxBQRlES4xsHYFrAwF5RfJBzDxEQ4lsaG/BjY/PpcsAQ1lhH9M+tYMRb5X6AwVTZFSvAFSLKYyUSDy+K5BhF2s5/2s5c58UBeEDBeEhu+e8B58LpZn2WeLsMsIsM/n4F2s5/2s5WFIBU2M44ua0pR7UE4mOIy8UBeEDBeEbqMB2eeBhrF8Ue58LpZn2WeLsMsIsM/n4rsB2+yL0Ze8+qyFKKYyUSDy+K5X0esBTWeLsMsIsMy8DTeEUc58UBeEDBeEhu+e8B58LpZn2rsB2+y8UBeEDBeEh/+s5F/n4F2s5/2s5WFIBU2M44ua0pR7UE4mOIMB2eeBhF2s5/2s5WsIBMe8bqMB2eeBhrF8Ue58LpZn2rsB2+y8UBeEDBeEh/+s5F/n4rsB2+yL0Ze8+qyFKq5nIp9MIp9/2pDMOIFSvAwXhZwVTZfaRjrVPaRtN61lsQ4xsnZtPKwFN6R72nclzqZIPpRlBQRnTiDG4ERqUpGtA3R72nclzqZtPaRtNUmIPpRlBQRnTTcx80YnV4zlEQrXBzDZ8QslsarBE0G38bg/LO7/PE4xqkY/8ErX4EzlEQYyK61qrkV+K61MTKRJsJZM5747RQ1yEIY/z7D/5z1yppcxEHfJU3cMrk4747fJBzDxEQ4lsaG/BjY/PpcMztclL6flXkZmhtD/zLDyrkZxOPZaRpun2ZFSvAFSvAFSvhR72ny75ERxP01leK58hW2IEw2shW5nAa5nrQ5XhZFSTZwX6AwmNa5nrb5XhZFSvAwVTZwmOIFLhZwVvAwVTZ9m2ZwX6AwXhZwVvK5X6AwVTZwX6AwmAIFL6AwX6AwVvA9MAq4E2HsE0mGxEnUFEJ48s8/abnFeDERnhzwe2D18rL284ZwxBLMes9ReHAcl2aMBXS+sTQeLANcV4uGJpVUJ0dDSLqfm4T+IUX2eDiMXE9MLPUFIh+es5FsBs/s80D/JBa1l2EDJ4KY/pdcx8Qc7TPRqUL4yD7GiEjwVXnwS+8UtRNuMb35nIp9FHJ1lP3RleK5X6AwVTZwX6AwmICDyD0cmOIFL6AwX6AwX6A9Fb=mJsnRJhny75ERxhn4xEQDnOA9Fb9Yxs0Dxsn9m5VclzLD/zLfs2zRxejri2EGi+3Yi2HcVbO1l00RqUE4V8pRl6HuVO8uMLzraICmJEQ1lP8DxsWclztDMOa1yE0RJP0RazAYiva9Fb9DqsQ172pclNODxstRqEA4BhS4i5pcJRK5xsQ175zRi2EDmAI1l0E1lbpGAppDaOI1l0E1lbhZM5TG/FhcE4E1aTwYyU0cqwOMlhQ4i53cZAa9yb95xsSYlEWYlBn1/HLDy5bDyrh+y5n1yIKrIvafm9vraAa7nrbrawafm9traAa5mrbrtLafm9hraAajMrbraKafmr3raAa9nrbrH1afm56raAaZarbrtAafm5UraAasmrbrI1afm5YraAasnrbraAafmrjraAaPnrbrI+afm51raAaMMrbrIAafm5fraAaMmrbrEIafm5BraAa5MrbrEwafmfGraICma2zD/zpylH0RJBd4xsncxsnZeBnRJBz9m50raAa1arbrJwafm5IraAaDMrbrJ1afm5qraAaYmrbrJIafm5oraAaYnrbrJAafm5HraAacarbrJ6afm5AraAaRarbrqwafm5LraAa4Mrbrq1afm5zraAaGarbraNafm57raAawmrbrtXafmrnraAawnrbrt+afmr8raAaUarbrtRafmrNraAauMrpuApnDy28RJNOR72ny75ERxP01leK5xsSYlEWYlBn1/HLDy5bDyrb5iEEcJEWYlBn1/HLDy5bDyrb5xsQ175zRi2EDmICmqL9W+KIcxES1/zSylUKD/UdZ/2E175zRi2WR72nY/zq9m2bYyU0cqwbrIBzDZ8QslsarXPpRlBQRnTfclzLRJhbgmrpuAppDaOIcxES1/zSylUKD/UdrF8S4i5WRJsAcxBtDMOa4747farbrarbDlsLD/zl9m4rsB2+yL0Ze8+q9MIpGApEGxEL9mR6Yi2HcVNUmtPKD/BIZOL9Zx8E4xXOYi2LRm8ERysp4tLa+lhQ4xsQ4m8eGyTEraTtclzLD/zLZM5LDy0Lfl0Lc/ACrxUK1y5SDy+hYyU3fFONUFIHuMrkV+K64xELcxekFxES1/zSrX4EzlsnRlEjriAO+yEIg/zyD/rO//Bjg/ShcMV4cxBQrBUpR72Ec/IOwtvPwtA34xELcxekV+K6fl0E1/+kV+K6R72zcxekV+pacl2zGAL91JBtYl4nc7sQDVKOrl1NDJDEuVbUmJ501lHqRJh8cJ+jrisncm0I1y20uJEH1/4Ef7UlDnHNc/AC1JBSDF1LfBTXuF2as74qDx8/G/wnciDaYtTpFswL4LEp+Mh+Dl6N1SUYcIErYi2a2SsjeBU9cl2req4ZYF0lDVUIwLPQ17pwcFEz/qINGe8X+y4wwLNn/qE5Dl+ncxHI2lRzM/pB4L8Vs/E52l0b1s4Icl2XwxEUsXB7MEU5Dl2HcxPIwXplDe+AYe8V+y452XsqFsU5DlUrMJPtwEDzDx8/+JwS+JPDw85F/s0MRx5jwxEacFE8/EU59LUp+/4+270A1J8/YxUdDiEDs85A/ER8wXEicxH+eLpQ1l8xYLP1sJpYwJUL/t5/4sp1MJ0I28DdM/EmcJUH2JH0s8D8DXD/4/B1eqp+eLKP1S5/GseS+J0DwED+1JP/GEpFM/4E2XezM/pTcXEp+tsUsVTpFeUsYeErD7E+eLE7MEU5DlseMFE5YIs7FeUsYsTqcl45+LBqeX0uwxrS+/4awEpH1S5/wBTFMy49eLEq1SUM4JUVw/pawq0l1lKAYeIn/F2YcspbFLU5DlwSeqDt+SBl1L4xYJB1ets+eLENM/IN9LUp+/45+LXN1SUM4JUV+qDYcspj/E02ueEoFyp9eLEq1SUM4JUVw/pawq0l1lKAYeInsypYYEDK//E5DlwSeqDt+SBl1L4xYJB1ets+eLENM/IN9LUp+/45+LXN1SUM4JUV+qDYcspj/E02ueEo2y4U+8spMe0uwxrS+y2DwtES1tU5ueEpFJEuwE5HF/82YeErFtTawLBL1tUmYBIncVTEsVTpFsU54ETqcl452i4l1I4b4spy2qEMwLpK/I4bcx5QeMHVYeBqeX09cBISe/4E2VTpFeU5DlsewxEU+LEqDV5bYl2iDSE5YIspMe4KcxByDxhI2VTpFsU5D8pHciUa2VTpDB09RLHVFJztceDdFB0/YEKn172YwED8/E09Yx2isJHfeLEqFiKLM8TVuypIc/wd9FbUmJ501lHqRJh8cJ+jrm8Hc7KHcxEQD/Bnf/4n1/2pD/zL9i23RmAOrmUJuxDJDFOOwmebrmUEwl181/rOwSwEfmvt1t4IDt5IrVXAwmepuAL91JBtYl4nc7sQDVKOfy4E1JHp4m8qRJBIY/sQ4m0bY/zE1yrbrxPEDq+O4xhAfmTbD/DLrx534i23cMAO1lhbc7rHR723RmOA5MAtDt0JDJeN9MAO1lhbc7rHR723RmOSwnebrleSDts01aIbrxU3cxhnfyULc7vKwFvA5MAt1t4IDt5I9MICV+pa1/UdD7534/zIuavH4lsaYlELf/PpcJs0Ra8qRJBIY/sQ4m0Lc7vbrmvtDt0JDJeNrVvEfmUEwl181/rOwSwEfmUaUl2JwJ+OwFvA5MICV+pa1/UdD7534/zIuavHcn8bY/zE1yrHD750DxEEcq+K4xhAfmvOrl1NDJDEumvA5MAtDFUJU/BarVwS5MAt1t4IDt5IrVXAwmepuAL91JBtYl4nc7sQDVKOf/8Sf/PpcJs0Ra8qRJBIY/sQ4m0Lc7vbrmvtDt0JDJeNrVvEfmUEwl181/rOwSwEfmUaUl2JwJ+OwFvA5MICV+pa1/UdD7534/zIuaTbY/zE1yrHD750DxEEcq+K4x6O1JhL4xhHfmvOrl1NDJDEumvA5MAtDFUJU/BarVwS5MAt1t4IDt5IrVXAwmepuAL9DJEb4xsnuaTARJhqY/+j2B05c/BqDs2n1/zSDJhncMzUY/Unc7U3Dq+QD750DxEEcq+KriUL1y5L+lhbc75S4irhymRtDt0JDJeNymRbrxsQDXU3cxhnR72nZsAqrlr7Dx1nDBAqfX4n1/2pD/zLsiEADFLArmICV+phV+K6f7ULG/PEZOL9ZxUEcq2ERtNUmtPIYy1OR72zcxehrq4pDi2KuteAwiTNul80RJ4pca8Lc7vjuVsAGVbaZOL9ZxXOYi5EDtLaYi2LRVK3f7474nz0G/2pcq4E1qE0GJEbY/LQ1lhHrtN6Y/8qriUn1SLaYi2LRVK3f7474nz0G/2pcq4E1qE0GJEbY/LQ1lhHflEH1/4ERnhbcl43fqTQDnrO4xELcxehrIBzDZ8QslsarBE0G38bg/LarxBb4VLa+yEIg/zyD/rO//Bjg/ShcMrO1JhnDxsnZMrAraT7Y/2LYVLaUVXAraTKD/EqYi+hrtXnUMrkZmh0ZOL9Zx2p4aTS4iEbDFLa1JBtYl4nc7sQDVKt2IDxul53RJ2ERtKPRiOORlhbY/+OrSvAwVHA1/2IY/zqutwARiOCYxspDl0LutX8wiTNul80RJ4pca8Lc7vjwFTAGVbaZOL9ZiUA1/NOR72zcxehrJD3cq+HDJBHY/PzuIU0cxEaRJICDJhQ4m87D/EqYi+j1JhbDVHJclzLfyUpGJejwF2A4VHbY/zEf/0EY/4K4VKSUyTNulU3cxhnuq5EDVbaZIBzDZ8QrB4E1aTD1ydhcZ8HrU8b1/NOelES4xsHYMvnwVXnZx5nZIPpRlBQRnTiDG4ERqUpGaN61qrkFxES1/zSrXBbc/BdrU7qY/NOV+pmYyppc/PErU8bDy2pgJEHDMTiDG4pcJEjfOL9Zx0nrxz3Rl00DxeO1lhbc7rhrawAwV1l2I1ariUpGJehrtXaZtP0rx0nD/1hrJ0L4ivjfnh747RQ1yEIY/z7D/5z1yppcxEHfJU3cMhpcxsLYyUpcMrOR72zcxehrq2EGi+HDxstc7504xE3ctKOcJhQDFHtclP3RtKtwVvNwVOAunrk+yEIg/zyD/rO//Bjg/ShcFA31FN6f7UA1/NkV+K6fl2p4tNUmtA3DxElZtA31lsQ4xsnZOL9Zmhacl2zZOL9ZmhK4x8bZaRpuAphmJD8cJULY/hQrxU3cJzE172W4xhWcyESR/AK5X8zR7Bby7DLfm2UGyUPcBh8Rlsnfm2UGyUPcBhA1yUS9yb95xPpcJbOZMTHGyUPcBhtclzQD/ULrmOqcxht1/PKc7UL5nAIFyESR/PW4yUERaAIFyESR/PWRxBSRnICmJEJrmO05xPpcJbpGApIY/eO9m4m1WTb1/zLgMTiDyfqD/HbDWzLYy5pcxsHD/2pfav3fnTTG/FhcE4E1aTD1ydhcZ8H5nICmqL95x2ay7UE1nvhrx8zR7Bby7UEcxst4BhI1aOIFyESR/PW4q+b5xPpcJbpuAppDavKrM2I1EhSD/wpGApIY/eO9m4/Dy5prB201JBQg/z0rX506xP0c38b1/80DZLQrm63rXBzDZ8QslsarBE0G38bg/Lq9Fb9W+pHGyUPcBhP4/snGMOaeLserXzTFesFrxP04xEQUMrpuAphmJD8cJULY/hQriUEcnOIDxsqDyrprib95i28RJHtDF80Rq50GMOafMrbraAafmfhraAaharbr3AafmfAraAarmrbraDQRl5AunrbrHvafmf4raAa8arbrHAafmfkraAa7arbrbRafmfqraICma2I4ypq4/Nh1y5n1yIKrarbrarbrJIafm53raAa4MrbrJRafm5WraAaynrbrJRafm5praAacnrbrqeafm5SraAaRnrbrJwafm5traICmq5E4isncaTARJsqy75ERxP01leKrITcyIXH/JXHGtvHusAHy8Ld+xIafmrafiULREhnDyTb1/UE9m2L4y5d1leb5x28GJ48caPS4i5LclP34lsn9m2ID/4ERaIp9Fb9W+pJ4/zt4xE3caTzD/zpy720RJEK9m2L1y5pYmI9GAKI4xBnY/OPrVLOR7saR72n9m2L1y5pYmAAfV+puAKI4xBnY/OnrVLOR7saR72n9m2L1y5pYmA8fVrpuAKI4xBnY/OSrVLOR7saR72n9m2L1y5pYmANfVrpuAKIRlB04mvhriU81qULRaOI4xBnY/ObwFXbumICma20GFXh1y5n1yIK5SvP5nAqwVrqfmRAwnRb5SvL5nAqwVeqfmRAUaRb5Sv75nAqwVOqfmRAuMRb5SXA5nAqwFXqfmRPwaRpuAKI1yInZ/BnRJBz9m4Z1lBd5nAq7qsa1y+qfm4U1y5L5nAqFJES1/Nqfm4U1yqhRnRb5L00GJEn1/Nqfm4eD/8H4yKqfm4T6isS4xhS5nAq2yEbgxAqfm4BYlEH5nAqMlBSg/Lqfm4TRJBbg/bq9Fb95iEEcJE0GF8S4i5WRJsAcxBtDMOI1yIPfm20GFrb5i20RJEKwaICmJstYx6O5i20RJEKwnNarmrQ5iEEcJE0GMNarmrQ5i20RJEKwMNarmrQ5iU01y+CmqL9DqsQ172pclNODxhAY/zqy72pc/eK5iULRaI9GAKIclPIR72nZ/BnRJBz9mrP4nrbrt57raAaw7RafmrL4nrbrtBHraAawlLafmrlcMrpuAKIcJs7R72nZ/BnRJBz9mrPrX00Dq20raAawaTr1/DL1MrbrtwOMxBJ4xXafmrLrX00Dq20raAawMTTGMrbrtwO+yIafmrlrXBzraICma2QDy4W4xEHDMvhriULREhnDyTb1/UE9m23cx2S4irb5xzE47ULRaAIR72n9Fb9D/UKcnvIcJs7y72pc/eCmqL9DqsQ172pclNOR723RJsWDxhAY/zqy72pc/eK5iULRaAIcJLpmqb95xhbDiULRt80Rq50GMOawyRafmrn4nrbrtU7raAaUiRa9Fb95xzE47ULRt80Rq50GMOawMTr1/DL1MrbrtrOMxBJ4xXafmrSrX00Dq20raAaUmTr1/DL1MrpuAKIcJs7y72pc/eOZMTS4i5WRJsAcxBtDMOIclPIR72nfm2QDy4S4irb5iULRaICma2WeLsFeLEZFEbIcJ84ZM2QDy4W4xEHDFb9W+pJ4/zt4xE3caTIc7TpcJ4WRi5p1leK5iTnY/UE9+pCmJstYx6O5iTnY/UEfarOsXAauAphma2HD7pSc7rhcyESR/PWRysERqIKrqUEcxst4mvorxDnclLOc/Bq1yp0cxBnri4KDy5EriszDeEIZMRIy8UBe8U5FLzc4yEEyMRO1/zIrxhQ1yIh5SXqraICma2HD7pSRJRhcyESR/PWcqsHy75347wK5x8qGqU3RaICma2SRi5HD7KhcyESR/PWDJsL1l0W1y5n1yIK5x8qGqU3RaICmJD8cJULY/hQrxsdylEb1/zWDxsL1yEb1y5p9m2JY/sbDmAI1/25DmI9GAKIY/P0cEhEY8hIDy20G/IhcyESR/PWDJsL1l0W1y5n1yIKcyESR/PWRysERqIKrqUEcxst4mvorxDnclLO17sS4xhHylDpD/PIRnT7YxsnDMTJY/sbDBhQ1/8EZMRIDJEEcx+qrxBQDmTpcxBQM/+h5n20DXEI5nrp9Fb9RJsL4y5Qrm2pcxBQylsdyl2E4xBzYsHJY/sbDBhl1/P8DsLCmqL9DqsQ172pclNOD/HWDxsL1yIK5x53cisHfm2pcxz5DmI9GAKIY/PQDxsL1yIhcyESR/PWDJsL1l0W1y5n1yIKcyESR/PWRysERqIKrqUEcxst4mvorxDnclLO17sS4xhHylDpD/PIRnT7YxsnDMTJY/sbDBhQ1/8EZMRI1Jhb4/LqrxBQDmTpcxBQM/+h5n2pcxz5DmRa9MICmJstYx6O5xEbcJ2E4xBz/lDpD/PIy7D0cisEyFb9W+KCalVnRPIq