免空伺服器
https://blog.gtwang.org/web-hosting/000webhost-free-web-hosting-tutorial/
https://www.design-hu.com.tw/wordpress/wordpress-tools/wordpress-web-hosting-000webhost.html
PHP入門
https://pjchender.blogspot.com/2015/03/php-mysql.html
資料庫建立
https://pjchender.blogspot.com/2015/03/php-mysql-phpmyadmin.html
資料庫連結
https://www.youtube.com/watch?v=g0rQ5muuwso&list=PL2SrkGHjnWcxRTSntmedQnPc4GtvwtaG_&index=13
https://www.php.net/manual/en/mysqli.examples-basic.php
資料輸出
http://www.runoob.com/mysql/mysql-where-clause.html
資料篩選
https://pjchender.blogspot.com/2015/03/php-mysql_31.html