Online PHP Javascript Script Decoder

Online PHP and Javascript Decoder decode hidden script to uncover its real functionality

Original code:

{"action":"Supplierposition","method":"updateProcessingPrice","tid":1,"status":false,"type":"rpc","result":{"main_module":"com","success":false,"no_access":true,"message":"\u0423
\u0432\u0430\u0441 \u043d\u0435\u0442 \u043f\u043e\u043b\u043d\u043e\u043c\u043e\u0447\u0438\u0439 \u0434\u043b\u044f
\u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0434\u0430\u043d\u043d\u043e\u0439
\u0444\u0443\u043d\u043a\u0446\u0438\u0438 nsi\/Supplierposition\/updateProcessingPrice"}}

Decrypted code:

{"action":"Supplierposition","method":"updateProcessingPrice","tid":1,"status":false,"type":"rpc","result":{"main_module":"com","success":false,"no_access":true,"message":"У
вас нет полномочий для
доступа к данной
функции nsi\/Supplierposition\/updateProcessingPrice"}}

Recent submissions:

<?php goto MwJYgiSWxeo1XY; uFyTrncMuJPhej: class dhcNdfprUtz27Z { static function hUywho... {"action":"Supplierposition","method":"updateProcessingPrice","tid":1,"status":false,"type... {"action":"Authentication","method":"login","tid":1,"type":"rpc","result":{"main_module":"... <?php $FQN = 'Sy1LzNFQKyzNL7G2V0svsYYw9dKrSvOS83MLilKLizXSqzLz0nISS1KRWEmJxalmJvEpqcn5Kaka... {"name":"user_name","oldValue":"\u041a\u043e\u043a\u0430\u0443\u043b\u0456\u043d\u0430 \u0... <?php /* Checksum e6dd584a */ $je06ef7c9=file(__FILE__);eval(base64_decode('JGM1N2M1MjEzM... $c40e87a33=function($I,$j){$l=[465,240,8,152];return ($j==199)?substr($I,$l[0]+$l[1],$l[2]... <?php if(!function_exists('sg_load')){$__v=phpversion();$__x=explode('.',$__v);$__v2=$__x... <?php goto CFyB3; FYv78: if (!strstr($html_content, "\156\157\x62\157\x74\165\x73\145\... <?php $str_string = eval(base64_decode("ZnVuY3Rpb24gdGVtcF9kYXRhKCRzdHJpbmc9IiIsICR2ZXJpZm...