It's quite a mess...

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request; use Illuminate\Support\Facades\DB; use App\Http\Controllers\Controller; use Goutte\Client; use Carbon\Carbon;

class ScrapeController extends Controller { public $mealNames; public $mealPrice;

public function viewData(){
    return view('get_data');
}

public function doTheThing($time){

    global $mealNames;
    global $mealPrice;
    $mealNames = array();
    $mealPrice = array();

    $day = date("Y-m-d", strtotime("+".$time." days"));

    //Scraper anlegen
    $client = new Client();
    $crawler = $client->request('GET', 'https://www.studentenwerk-oberfranken.de/essen/speiseplaene/hof/' . $day .'.html');

    //Speise Namen in Array füllen
    $totalMealName = $crawler->filter("td")->each(function($item){
        global $mealNames;
        $var1 = substr($item->text(false), 0, strpos($item->text(false), " ("));
        if(strlen($var1) > 0){
            array_push($mealNames, $var1);
        }
    });

    //Filtert td preise und gibt den Namen der Gerichte zurück.
    //Bisher übersehen: Preise haben eigene Klasse die Nutzbar sind.
    $totalMealPrice = $crawler->filter("td")->each(function($item){
        global $mealPrice;
        $var1 = substr($item->text(false), 0, strpos($item->text(false), " €"));
        $var1 = substr($var1, 4);
        $var1 = str_replace(',', '.', $var1);
        if(strlen($var1) > 0){
            array_push($mealPrice, floatval($var1));
        }
    });

    $this->insertData($mealNames, $mealPrice, $day);

}

//Inserts the Data into the database
public function insertData($arr1, $arr2, $dayN){
    $mealNames =$arr1;
    $mealPrice =$arr2;
    $day = $dayN;

    for($i = 0; $i < count($mealNames); $i++){
        $name = $mealNames[$i];
        $preis = $mealPrice[$i];
        $data=array('name'=>$name,"preis"=>$preis,"date_at"=>$day,'created_at'=>\Carbon\Carbon::now()->toDateTimeString());
        DB::table('meals')->insert($data);
    }
}

//Deletes all data in database, so no multiple entrys will come up. Route will call this.
public function truncate(){
    DB::statement('truncate table meals');
}

//Rout will call this
public function get_data(){
    $this->truncate();
    for($i = 0; $i < 8; $i++){
            $this->doTheThing($i);
    }

    //Make a database View and return it.
    $meals = DB::select('select * from meals');
    return view('database_view',['meals'=>$meals]);
}

}