Fatal error: Uncaught Error: Call to undefined function function_tool() in /www/www_winwai_com/thinkphp/base.php:11
Stack trace:
#0 /www/www_winwai_com/thinkphp/start.php(16): require()
#1 /www/www_winwai_com/public/index.php(25): require('/www/www_winwai...')
#2 {main}
thrown in /www/www_winwai_com/thinkphp/base.php on line 11