Add something to array in Doctrine [closed]

  arrays, orm, php, phpmyadmin, symfony

I have a problem, I search how can I add something to my array but i found nothing.
I am working in Symfony, with phpmyAdmin.
I did a button with an onclick() which call a function where it add to the array of my Database.
The column of my database is called CoursSuivis.
So how can i add something to CourSuivis ?

Source: Symfony Questions