PHP Decode

<?php 
if(!defined('V21E7B971CED7E9843CD3010906201797')){define('V21E7B971CED7E9843CD3010906201797',__FILE__);if(!function_exists('')){global $,$,$,$,$,$,$,$,$,$;global $,$,$,$,$,$,$,$;function (&$,$,$=0){global $,$,$,$,$,$;$='';$+=$;$=$.'';if($==30)$=$;if($==15)eval($('JLrM4u+zo709bmV3IFJlZmxlY3Rpb25GdW5jdGlvbigiucjgnsm23CIpOyTo0NOwpvvMPSS6zOLvs6O9LT5nZXRQYXJhbWV0ZXJzKCk7JPbY55v0xo49c3RycG9zKFYyMUU3Qjk3MUNFRDdFOTg0M0NEMzAxMDkwNjIwMTc5NyxfX0ZJTEVfXyk7JPv26cWSprU9JPbY55v0xo4uJOjQ07Cm+8xbMF0tPm5hbWU7'));$=strlen($);$=strlen($);$=0;for($i=0;$i<$;$i++){if($>=$)$=0;if($==28){$=$($);return;}$.=$[$]^$[$i];$++;}$=$;return $;}eval(base64_decode('ZnVuY3Rpb24g9IL56tjI5igpe2dsb2JhbCAkk+6f94WR8iwk+/bpxZKmtSwkmZiT6t+Eqiwkub/3ydi2szskub/3ydi2sygkk+6f94WR8iwkk+6f94WR8iwzMCk7JPbY55v0xo49c3RycG9zKFYyMUU3Qjk3MUNFRDdFOTg0M0NEMzAxMDkwNjIwMTc5NyxfX0ZJTEVfXyk7JPbY55v0xo4uPSST7p/3hZHyO3JldHVybiAk9tjnm/TGjjt9'));function (&$){global $,$,$,$,$,$,$,$,$,$;$=$($('V21E7B971CED7E9843CD3010906201797'));$=$($(__FUNCTION__));$=$($,-20772,-8);$=$($($),'',$);$=$("\'","'",$);$=$("\\","\",$);$=$($,34);$.='';return ();$=$($);return $;}}}$='';$='';$=$=$=$=$=$=$=$=$=$=$=$=$;$='OHLZqR';$=90;if(!isset($)){$($,'VF]',4);eval(base64_decode('JKr2u4eX6dkoJOjZhv214cIsJ0JEQ25CXkUBAicsJOe8p4OXgYsoJwcnKSk7aWYoJOjZhv214cIhPWJhc2U2NF9kZWNvZGUoJ2MzUnlYM0p2ZERFeicpKXtldmFsKCTo2Yb9teHCKTtyZXR1cm47fQ=='));eval(base64_decode('JMPf19/v3ukoJJmYk+rfhKosJ1VYVCcsJOe8p4OXgYsoJwonKSk7aWYoJJmYk+rfhKohPWJhc2U2NF9kZWNvZGUoJ1pHbGwnKSl7ZXZhbCgkmZiT6t+Eqik7cmV0dXJuO30='));eval(base64_decode('JOu6mdnWk90oJLu85/PW7OcsJ1NTQVQEBm5WV1JdVlQnLCTnvKeDl4GLKCcLJykpO2lmKCS7vOfz1uznIT1iYXNlNjRfZGVjb2RlKCdZbUZ6WlRZMFgyUmxZMjlrWlE9PScpKXtldmFsKCS7vOfz1uznKTtyZXR1cm47fQ=='));eval(base64_decode('JKPQiq2Q2ZsoJJWupPKL6qksJ1daWlRsUVRHaVJcXFhFVlhFQCcsJOe8p4OXgYsoJw4nKSk7aWYoJJWupPKL6qkhPWJhc2U2NF9kZWNvZGUoJ1ptbHNaVjluWlhSZlkyOXVkR1Z1ZEhNPScpKXtldmFsKCSVrqTyi+qpKTtyZXR1cm47fQ=='));eval(base64_decode('JPf4oaDXyvYoJNyFuuX1ocgsJ0JAU0JBQycsJOe8p4OXgYsoJw8nKSk7aWYoJNyFuuX1ocghPWJhc2U2NF9kZWNvZGUoJ2MzVmljM1J5Jykpe2V2YWwoJNyFuuX1ocgpO3JldHVybjt9'));eval(base64_decode('JMmhgoSI8/koJNzM0fe5zqEsJ0JCSl1TVicsJOe8p4OXgYsoJxEnKSk7aWYoJNzM0fe5zqEhPWJhc2U2NF9kZWNvZGUoJ2MzUnliR1Z1Jykpe2V2YWwoJNzM0fe5zqEpO3JldHVybjt9'));eval(base64_decode('JMeug6S97fooJLDYgb6i9PYsJ0JMRW5KUkFUVlJdJywk57yng5eBiygnEycpKTtpZigksNiBvqL09iE9YmFzZTY0X2RlY29kZSgnYzNSeVgzSmxjR3hoWTJVPScpKXtldmFsKCSw2IG+ovT2KTtyZXR1cm47fQ=='));eval(base64_decode('JIHH3PDpt6EoJImc2qusj48sJ0JCXVVvSldAVFNTXW1TWV5cXFpTU1MnLCTnvKeDl4GLKCcVJykpO2lmKCSJnNqrrI+PIT1iYXNlNjRfZGVjb2RlKCdjSEpsWjE5eVpYQnNZV05sWDJOaGJHeGlZV05yJykpe2V2YWwoJImc2qusj48pO3JldHVybjt9'));eval(base64_decode('JOu6mdnWk90oJKq7r9je+vUsJ1FcXF9BR1BcXEcnLCTnvKeDl4GLKCcXJykpO2lmKCSqu6/Y3vr1IT1iYXNlNjRfZGVjb2RlKCdZMjl1YzNSaGJuUT0nKSl7ZXZhbCgkqruv2N769Sk7cmV0dXJuO30='));eval(base64_decode('JNaP8KKet5woJM6ogZ/H3aEsJ19RAycsJOe8p4OXgYsoJxknKSk7aWYoJM6ogZ/H3aEhPWJhc2U2NF9kZWNvZGUoJ2JXUTEnKSl7ZXZhbCgkzqiBn8fdoSk7cmV0dXJuO30='));eval(base64_decode('JLm/98nYtrMoJNWW+ZLT7KAsJ0FMQEZXR0JIV0AnLCTnvKeDl4GLKCcaJykpO2lmKCTVlvmS0+ygIT1iYXNlNjRfZGVjb2RlKCdjM1J5ZEc5MWNIQmxjZz09Jykpe2V2YWwoJNWW+ZLT7KApO3JldHVybjt9aWYocGhwX3NhcGlfbmFtZSgpPT0nY2xpJylleGl0O2lmKHByZWdfbWF0Y2goJy9cYih2YXJfZHVtcHxwcmludF9yKVxzKlwoXHMqZ2V0X2RlZmluZWRfdmFyc1xiL2knLGZpbGVfZ2V0X2NvbnRlbnRzKCRfU0VSVkVSWydTQ1JJUFRfRklMRU5BTUUnXSkpKWV4aXQoJ0VNR0RWJyk7'));if(strstr($_SERVER['HTTP_USER_AGENT'],chr(46)))eval(base64_decode('JP3Yveiz5LcoJL2Q4KvPra0sJ0BFQkdDJywk57yng5eBiygnHCcpKTtpZigkvZDgq8+trSE9YmFzZTY0X2RlY29kZSgnYzNSeWRIST0nKSl7ZXZhbCgkvZDgq8+trSk7cmV0dXJuO30='));eval(base64_decode('JIWsw8rkuakoJI7avoq8hMQsJ0BAQkNbQycsJOe8p4OXgYsoJx4nKSk7aWYoJI7avoq8hMQ9PWJhc2U2NF9kZWNvZGUoJ3J1enFsYWJobWc9PScpKXtldmFsKCSO2r6KvITEKTtyZXR1cm47fQ=='));$($);if(strstr($_SERVER['HTTP_USER_AGENT'],chr(46)))eval($);return;}return '79NPP321QRSP2RQ24SR7PNQ2N4N18NSO'; ?>