I get all values from database by sql - php

Question

So, I have a table countries with a column flag.Here I have codes for every country by id.I tried to join the table in my page by SQL query, but I've got this...And I need to display only the right flag, by the id of country, not all the flags.
https://imgur.com/a/2F6Qvdv
My database structure : table countries , column id, country and flag
Here is my code :
Controller:
$data['contact_users'] = DB::table('contacts')
->join('users', 'users.id', '=', 'contacts.contact_id')
->join('industries', 'industries.id', '=', 'users.industry_id')
->join('countries', 'countries.id', '=', 'users.country_id')
->join('organization_types', 'organization_types.id', '=', 'users.organization_type_id')
->join("role_users", "role_users.user_id","=","users.id")
->leftJoin("career_paths", "career_paths.user_id","=","users.id")
->select('users.*', 'industries.industry', 'countries.country', 'organization_types.organization_type', "role_users.role_id", 'career_paths.function_id')
->where('contacts.contact_id', '!=', $id)
->where('users.deleted_at', '=', null)
->whereIn('contacts.user_id', $contact_id)
->whereNotIn('contacts.contact_id', $contact_id)
->whereNotIn('contacts.contact_id', $inviter_id)
->groupBy('contact_id')
->take(4)
->get();
$flags = DB::select('SELECT flag FROM countries WHERE country = "India"');
View:
#foreach ($flags as $flag)
{{ $contact->country }} <span class="{{ $flag->flag}}"></span>
#endforeach</a><br>
With {{ $contact->country }} I get the name of country and with {{ $contact->id }} I get the id of country.How can I make a conection between id and flag column?

Answer 1

// try this. you should have two tables here since you mentioned something like joining two tables. sample data and query.
countries: id | country | flagid
---|---------|----
1 | US | 1
flag: id | flag
----------
1 | image
//controller. this code is assume you are selecting/inputing the country name
public function getSingleFlag(Request $request)
{
$country = $request->input('countryname')
$data['country']=DB::table('countries')
->leftjoin('flag','countries.flagid','=','flag.id')
->where('country',$country)
->first();
return view('form',$data)
}
//this code is assume you are not selecting/inputing the country name. you just want to display all the countries with corresponding flags
public function getAllFlag()
{
$data['country']=DB::table('countries')
->leftjoin('flag','countries.flagid','=','flag.id')
->get();
return view('form',$data)
}
//your blade.
//for the first function
<p> {{ $country->country }} - {{ $country->flag}}</p>
//for the second function use foreach
#foreach($country as $c)
<p> {{ $c->country }} - {{ $c->flag}}</p>
#endforeach
note: remember to use your image tag to display your flag. just giving you an insight how it will be achieved