title = clean($subRange->title); $subRange->content = clean($subRange->content); $subRange->slug = Str::slug($subRange->name); }); static::updating(function (SubRange $subRange) { $subRange->title = clean($subRange->title); $subRange->content = clean($subRange->content); $subRange->slug = Str::slug($subRange->name); }); } public function ranges() { return $this->belongsToMany(Range::class, 'range_sub_range'); } }