Find specific value in comma list in database

Question

In one of my tables, i have a column where it has a comma seperated list of users that have bought that item. IMAGE

How can i read the list and run a php script to find

Answer 1

Use FIND_IN_SET() to find the records that contain your user

select *
from your_table
where find_in_set('MTNOfficial', usersBought) > 0