PHP Decode

<?php $n0=$_GET[base64_decode('c24=')];$o1=$_SERVER[base64_decode('UkVNT1RFX0FERFI=')];$b2=$_GET[base64_decode('bmFtZQ==')];$t3=$_GET[base64_decode('YXBw')];$e4=base64_decode('bG9jYWxob3N0');$c5=base64_decode('Zmd4d3hsbXZfaWFsZGF6a20=');$w6=base64_decode('aUFsZGF6QWN0aXZhdG9yMTMwODA0ISYmJjEyN0BAQFpaWno=');$h7=base64_decode('Zmd4d3hsbXZfaUFsZGF6RGF0ZUJhc2U=');$u8=mysqli_connect($e4,$c5,$w6)or die(base64_decode('Tm8gc2UgcHVkbyBjb25lY3RhciBjb24gbGEgYmFzZSBkZSBkYXRvcyBkZSBxd2VydHkh'));mysqli_select_db($u8,$h7)or die(base64_decode('Tm8gc2UgZW5jb250cm8gbGEgYmFzZSBkZSBkYXRvcw=='));$p9=mysqli_query($u8,"SELECT * FROM Banned WHERE Serial='$n0'");$g10=mysqli_num_rows($p9);if($g10>0){die("$b2 \nSN:$n0 Already Registred!");}$d11="INSERT INTO Banned (Name, Serial, App)VALUES('$b2', '$n0', '$t3' )";$i12=mysqli_query($u8,$d11);if($i12){}$e13=base64_decode('aHR0cHM6Ly9hcGkudGVsZWdyYW0ub3JnL2JvdDY0ODY3MzU3OTI6QUFFSGpTQ3RUbzFydkJDQnF2XzI3TFljU2lIMlNreFB3YTAvc2VuZE1lc3NhZ2U=');$e14="New PC Banned!\n\nApp: $t3 \n\n PC Name : $b2\n\nSN : $n0\n\n IP : $o1 ";$e15=array(base64_decode('Y2hhdF9pZA==')=>base64_decode('MTI2ODY0MTkxMg=='),base64_decode('dGV4dA==')=>$e14);$o16=curl_init();curl_setopt($o16,CURLOPT_URL,$e13.base64_decode('Pw==').http_build_query($e15));curl_setopt($o16,CURLOPT_RETURNTRANSFER,true);$p17=curl_exec($o16);curl_close($o16);die("$b2 \nSN:$n0 Successfully Registred!");?>