工欲善其事，必先利其器

DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.

https://www.dokuwiki.org/DokuWiki

CREATE FUNCTION SPLIT_STR(
  x VARCHAR(255),
  delim VARCHAR(12),
  pos INT
)
RETURNS VARCHAR(255)
RETURN REPLACE(SUBSTRING(SUBSTRING_INDEX(x, delim, pos),
       LENGTH(SUBSTRING_INDEX(x, delim, pos -1)) + 1),
       delim, '');

SELECT SPLIT_STR('124 456', " ", 2)