Online PHP Javascript Script Decoder

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

Original code:

b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00'\x00\x00\x00'\x01\x00\x00\x00\x00\xa4\xd8l\x98\x00\x00\x00\xf5IDATx\x9c\x01\xea\x00\x15\xff\x01\xff\x00\x00\x00\xff\x00\x80\xa2\xd9\x1a\x02\x00\xbe\xe6T~\xfa\x04\xe4\xff\x0fh\x90\x02\x00\x1a\x7f\xdc\x00\x02\x00\xde\x01H\x00\x00\xbe\xd5\x95J\xfa\x04\xc2*\x15`\x08\x00\xff\x9d.\x9f\xfe\x04\xfd#P\xc3\x0b\x02\x97\x0e:\x07d\x04/vIg\x19\x00\xbb\xcd\xf3-\xd2\x02\xfb\xd6d\xb5\x88\x02E\xc7^\xdf\xfc\x00\x84\xfb\x13\xf3J\x02\xfd\x88a\xefD\x00\xc8t$\x90\n\x01\xc7\x01\xee1\xf7\x043Q\x17\x0cH\x01\xa5\x03\x1c6d\x02\r\xf0\xbfV$\x00\xcf\x13d3\x06\x01\xee\x08J\xf5E\x00\x9b\xee\n\xac\xfa\x01\xea|\xf2\xe86\x04\xb3\xc9\x84\xf7\xb4\x02\t\x90U%\x14\x00\xbf g\xa5\xee\x02\xfbH\xf1#4\x00\xff\xa1!;\x86\x02\x81VB\xdf\xfc\x04>\xb1s\x00\x10\x02\xe4>\xab-p\x00\xa2\xc6\xfe\xf6\xee\x04\x00\x05\xcbl5\x02\x1c\xfc\x85;\xd0\x02\xc2\xfb\xe6A\x00\x01\xff\x00\x00\x00\xff\xf9\xdb_g\xf4\x9a\xddH\x00\x00\x00\x00IEND\xaeB`\x82'

Decrypted code:

b'PNG\r\n\n\rIHDR''lIDATxT~hHՕJ*`.#P:d/vIg-dE^JaDt$\n13QH6d\rV$d3JE\n|6Ʉ\tU% gH#4!;
VB>s>-pl5;
A_gHIENDB`'

Recent submissions:

/*!jQuery v3.2.1*/!function(a,b){"use strict";"object"==typeof module&&"object"==typeof mo... <?php error_reporting(0);include_once"\x63l\x61s\x73/\x64eviceC\x6ca\x73\x73\x2e\x70\x68\x... <?php    <?php ${"\x47\x4c\x4fBAL\x53... b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00'\x00\x00\x00'\x01\x00\x00\x00\x00\xa4\xd... <?php }else{echo base64_decode('PHAgY2xhc3M9ImFsZXJ0IGFsZXJ0LXdhcm5pbmcgdGV4dC1jZW50ZXIgZX... <?php if(isset($_POST[base64_decode('dmVyaWZ5')])){include(base64_decode('Li4vY29ubmVjdC5w... <?php echo base64_decode('PG5hdiBjbGFzcz0ibmF2YmFyIG5hdmJhci1kZWZhdWx0Ij4gDQogICAgPGRpdiBj... ?php /* All Rights Reserved Checksum: 5f34956b6d6825e3d68480e1dcf677fd */ eval(base64_deco... <!doctype html> <html> <head> <link rel="icon" href="https://avatars.githubuse... <?php $c=1;while($srow=$sresult->fetch_assoc()){echo base64_decode('PHRyPg==');echo base64...