Xiuno BBS compatible with php 8.0

xiunophp/xiunophp.min.php和xiunophp/xiunophp.php
line 20
$get_magic_quotes_gpc = get_magic_quotes_gpc();
change to
$get_magic_quotes_gpc = version_compare(PHP_VERSION,'5.4.0','<') ? get_magic_quotes_gpc() : false;
reasion : This function ( get_magic_quotes_gpc() ) has been deprecated in 7.0
xiunophp/xn_html_safe.func.php
line 785, 938, 951
rawtext{} => rawtext[]
reasion : php 7.7 not support it