How to count part of comment text in Eloquent?

Question

Laravel

Hello. In general, the question is described in the title, here I will just explain it a little. There is an "Article" model associated with a "Comment" model (one-to-many):

public function comments() {
    return $this->hasMany('App\Comment')->orderBy('id', 'DESC');
}

But comments can be very long, despite the fact that there are quite a lot of them on the page. The task is the following: to read only a part of the comment with further display of the "Entire comment" button, which loads its full version via Ajax. How can this be done?

Answer 1

public function comments() {
    return $this->hasMany('App\Comment')->selectRaw('id, name, SUBSTRING(comment, 30) as comment_limit')->orderBy('id', 'DESC');
}

Answer 2

Why upload only a part? Make a Js handler, by clicking on the show link, another div will open, or the entire comment from a variable in Js or stored in a hidden div will be added there. And if you want Ajax, Eloquent has nothing to do with it. Just put substr() on the output