$error_message_help="<p>Have you checked that PHP has write access to the directory that <code>index.php</code> is located in (and all it's contents and subdirectories)? Try <code>sudo chown USERNAME:USERNAME -R path/to/directory</code> and <code>sudo chmod -R 0644 path/to/directory; sudo chmod -R +X path/too/directory</code>, where <code>USERNAME</code> is the username that the PHP process is running under.</p>";
exit(page_renderer::render_minimal("Unpacking error - $settings->sitename","<p>Oops! It looks like $settings->sitename couldn't create the extra data directory to unpack additional files to.</p>$error_message_help"));
}
}
if(!touch($paths->extra_data_directory)){
http_response_code(503);
exit(page_renderer::render_minimal("Unpacking error - $settings->sitename","<p>Oops! It looks like $settings->sitename isn't able to change the last modified time of the extra data directory.</p>$error_message_help"));
exit(page_renderer::render_minimal("Unpacking error - $settings->sitename","<p>Oops! $settings->sitename wasn't able to create a new temporary file with <code>tempnam()</code>. Perhaps your server is mis-configured?</p>"));
exit(page_renderer::render_minimal("Unpacking error - $settings->sitename","<p>Oops! $settings->sitename wasn't able to open itself (i.e. <code>index.php</code>) for reading. $error_message_help</p>"));