Undefined variable when trying to use two loops - laravel

Question

I have two functions
whatsnew()
and
perfume()
both has its own #foreach in different sub folders which i show them in one page.
problem is if one #foreach works the other show an error undefined variable
ps- this is my first time posting a question in SO .. sorry if its sloppy..
ProductController.php
//to show last 5 latest items
public function whatsnew(){
$cat_new = products::orderBy('id', 'desc')->take(5)->get();
return view('/home', compact('cat_new'));
}
//to show category
public function perfume(){
$perfume = products::where('category','LIKE','perfume')->get();
return view('/home', compact('perfume'));
}
Web.blade.php
Route::get('/', [
'uses' => 'ProductController#whatsnew',
'as' => 'db.whatsnew']);
Route::get('/', [
'uses' => 'ProductController#perfume',
'as' => 'db.perfume']);
perfume.blade.php
#foreach($perfume as $perfume_cat)
whatnew.blade.php
#foreach($cat_new as $row)

Answer 1

It looks like you are passing only 1 collection back to the view each time, which is probably why one or the other works.
If you change this:
public function whatsnew(){
$cat_new = products::orderBy('id', 'desc')->take(5)->get();
return view('/home', compact('cat_new'));
}
public function perfume(){
$perfume = products::where('category','LIKE','perfume')->get();
return view('/home', compact('perfume'));
}
to this:
public function whatsNew(){
$cat_new = products::orderBy('id', 'desc')->take(5)->get();
return $cat_new; // return the collection
}
public function perfume(){
$perfume = products::where('category','LIKE','perfume')->get();
return $perfume; // return the collection
}
// Create a new index function and pass both collections to your view
public function index() {
return view('index', [
'cat_new' => $this->whatsNew(),
'perfume' => $this->perfume(),
]);
}
Your web routes file can be:
Route::get('/', 'ProductController#index')->name('product.index');
Your index.blade.php
<div class="container">
<div class="row">
<div class="col-lg-12">
<div class="card">
<div class="card-body">
<ol>
#foreach( $cat_new as $new )
<li>{{ $new->foo }}</li>
#endforeach
</ol>
</div>
</div>
<div class="card">
<div class="card-body">
<ol>
#foreach( $perfume as $p )
<li>{{ $p->bar }}</li>
#endforeach
</ol>
</div>
</div>
</div>
</div>
</div>
where foo and bar are whatever columns you are after.

Answer 2

//merge become one
public function perfume(){
$perfume = products::where('category','LIKE','perfume')->get();
$cat_new = products::orderBy('id', 'desc')->take(5)->get();
return view('/home', compact('perfume', 'cat_new'));
}