Country Seeder for Laravel

CountrySeeder.php

<?php

namespace Database\Seeders;

use App\Models\Country;
use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;

class CountrySeeder extends Seeder
{

    var $countries = [
       [ "name" => "Afghanistan", "code" => "AF" ],
       [ "name" => "Åland Islands", "code" => "AX" ],
       [ "name" => "Albania", "code" => "AL" ],
       [ "name" => "Algeria", "code" => "DZ" ],
       [ "name" => "American Samoa",     "code" => "AS" ],
       [ "name" => "AndorrA","code" => "AD" ],
       [ "name" => "Angola", "code" => "AO" ],
       [ "name" => "Anguilla", "code" => "AI"   ],
       [ "name" => "Antarctica", "code" => "AQ" ],
       [ "name" => "Antigua and Barbuda", "code" => "AG" ],
       [ "name" => "Argentina", "code" => "AR" ],
       [ "name" => "Armenia", "code" => "AM" ],
       [ "name" => "Aruba", "code" => "AW" ],
       [ "name" => "Australia", "code" => "AU" ],
       [ "name" => "Austria", "code" => "AT" ],
       [ "name" => "Azerbaijan", "code" => "AZ"   ],
       [ "name" => "Bahamas", "code" => "BS" ],
       [ "name" => "Bahrain", "code" => "BH" ],
       [ "name" => "Bangladesh", "code" => "BD" ],
       [ "name" => "Barbados", "code" => "BB" ],
       [ "name" => "Belarus", "code" => "BY" ],
       [ "name" => "Belgium", "code" => "BE" ],
       [ "name" => "Belize", "code" => "BZ" ],
       [ "name" => "Benin", "code" => "BJ"   ],
       [ "name" => "Bermuda", "code" => "BM" ],
       [ "name" => "Bhutan", "code" => "BT" ],
       [ "name" => "Bolivia", "code" => "BO" ],
       [ "name" => "Bosnia and Herzegovina", "code" => "BA" ],
       [ "name" => "Botswana", "code" => "BW" ],
       [ "name" => "Bouvet Island", "code" => "BV" ],
       [ "name" => "Brazil", "code" => "BR" ],
       [ "name" => "British Indian Ocean Territory", "code" => "IO"   ],
       [ "name" => "Brunei Darussalam", "code" => "BN" ],
       [ "name" => "Bulgaria", "code" => "BG" ],
       [ "name" => "Burkina Faso", "code" => "BF" ],
       [ "name" => "Burundi", "code" => "BI" ],
       [ "name" => "Cambodia", "code" => "KH" ],
       [ "name" => "Cameroon", "code" => "CM" ],
       [ "name" => "Canada", "code" => "CA" ],
       [ "name" => "Cape Verde", "code" => "CV"   ],
       [ "name" => "Cayman Islands", "code" => "KY" ],
       [ "name" => "Central African Republic", "code" => "CF" ],
       [ "name" => "Chad", "code" => "TD" ],
       [ "name" => "Chile", "code" => "CL" ],
       [ "name" => "China", "code" => "CN" ],
       [ "name" => "Christmas Island", "code" => "CX" ],
       [ "name" => "Cocos (Keeling) Islands", "code" => "CC" ],
       [ "name" => "Colombia", "code" => "CO"   ],
       [ "name" => "Comoros", "code" => "KM" ],
       [ "name" => "Congo", "code" => "CG" ],
       [ "name" => "Congo, The Democratic Republic of the", "code" => "CD" ],
       [ "name" => "Cook Islands", "code" => "CK" ],
       [ "name" => "Costa Rica", "code" => "CR" ],
       [ "name" => "Croatia", "code" => "HR" ],
       [ "name" => "Cuba", "code" => "CU" ],
       [ "name" => "Cyprus", "code" => "CY"   ],
       [ "name" => "Czech Republic", "code" => "CZ" ],
       [ "name" => "Denmark", "code" => "DK" ],
       [ "name" => "Djibouti", "code" => "DJ" ],
       [ "name" => "Dominica", "code" => "DM" ],
       [ "name" => "Dominican Republic", "code" => "DO" ],
       [ "name" => "Ecuador", "code" => "EC" ],
       [ "name" => "Egypt", "code" => "EG" ],
       [ "name" => "El Salvador", "code" => "SV"   ],
       [ "name" => "Equatorial Guinea", "code" => "GQ" ],
       [ "name" => "Eritrea", "code" => "ER" ],
       [ "name" => "Estonia", "code" => "EE" ],
       [ "name" => "Ethiopia", "code" => "ET" ],
       [ "name" => "Falkland Islands (Malvinas)", "code" => "FK" ],
       [ "name" => "Faroe Islands", "code" => "FO" ],
       [ "name" => "Fiji", "code" => "FJ" ],
       [ "name" => "Finland", "code" => "FI"   ],
       [ "name" => "France", "code" => "FR" ],
       [ "name" => "French Guiana", "code" => "GF" ],
       [ "name" => "French Polynesia", "code" => "PF" ],
       [ "name" => "French Southern Territories", "code" => "TF" ],
       [ "name" => "Gabon", "code" => "GA" ],
       [ "name" => "Gambia", "code" => "GM" ],
       [ "name" => "Georgia", "code" => "GE" ],
       [ "name" => "Germany", "code" => "DE"   ],
       [ "name" => "Ghana", "code" => "GH" ],
       [ "name" => "Gibraltar", "code" => "GI" ],
       [ "name" => "Greece", "code" => "GR" ],
       [ "name" => "Greenland", "code" => "GL" ],
       [ "name" => "Grenada", "code" => "GD" ],
       [ "name" => "Guadeloupe", "code" => "GP" ],
       [ "name" => "Guam", "code" => "GU" ],
       [ "name" => "Guatemala", "code" => "GT"   ],
       [ "name" => "Guernsey", "code" => "GG" ],
       [ "name" => "Guinea", "code" => "GN" ],
       [ "name" => "Guinea-Bissau", "code" => "GW" ],
       [ "name" => "Guyana", "code" => "GY" ],
       [ "name" => "Haiti", "code" => "HT" ],
       [ "name" => "Heard Island and Mcdonald Islands", "code" => "HM" ],
       [ "name" => "Holy See (Vatican City State)", "code" => "VA" ],
       [ "name" => "Honduras", "code" => "HN"   ],
       [ "name" => "Hong Kong", "code" => "HK" ],
       [ "name" => "Hungary", "code" => "HU" ],
       [ "name" => "Iceland", "code" => "IS" ],
       [ "name" => "India", "code" => "IN" ],
       [ "name" => "Indonesia", "code" => "ID" ],
       [ "name" => "Iran, Islamic Republic Of", "code" => "IR" ],
       [ "name" => "Iraq", "code" => "IQ" ],
       [ "name" => "Ireland", "code" => "IE"   ],
       [ "name" => "Isle of Man", "code" => "IM" ],
       [ "name" => "Israel", "code" => "IL" ],
       [ "name" => "Italy", "code" => "IT" ],
       [ "name" => "Jamaica", "code" => "JM" ],
       [ "name" => "Japan", "code" => "JP" ],
       [ "name" => "Jersey", "code" => "JE" ],
       [ "name" => "Jordan", "code" => "JO" ],
       [ "name" => "Kazakhstan", "code" => "KZ"   ],
       [ "name" => "Kenya", "code" => "KE" ],
       [ "name" => "Kiribati", "code" => "KI" ],
       [ "name" => "Korea, Republic of", "code" => "KR" ],
       [ "name" => "Kuwait", "code" => "KW" ],
       [ "name" => "Kyrgyzstan", "code" => "KG" ],
       [ "name" => "Latvia", "code" => "LV" ],
       [ "name" => "Lebanon", "code" => "LB" ],
       [ "name" => "Lesotho", "code" => "LS"   ],
       [ "name" => "Liberia", "code" => "LR" ],
       [ "name" => "Libyan Arab Jamahiriya", "code" => "LY" ],
       [ "name" => "Liechtenstein", "code" => "LI" ],
       [ "name" => "Lithuania", "code" => "LT" ],
       [ "name" => "Luxembourg", "code" => "LU" ],
       [ "name" => "Macao", "code" => "MO" ],
       [ "name" => "North Macedonia", "code" => "MK" ],
       [ "name" => "Madagascar", "code" => "MG"   ],
       [ "name" => "Malawi", "code" => "MW" ],
       [ "name" => "Malaysia", "code" => "MY" ],
       [ "name" => "Maldives", "code" => "MV" ],
       [ "name" => "Mali", "code" => "ML" ],
       [ "name" => "Malta", "code" => "MT" ],
       [ "name" => "Marshall Islands", "code" => "MH" ],
       [ "name" => "Martinique", "code" => "MQ" ],
       [ "name" => "Mauritania", "code" => "MR"   ],
       [ "name" => "Mauritius", "code" => "MU" ],
       [ "name" => "Mayotte", "code" => "YT" ],
       [ "name" => "Mexico", "code" => "MX" ],
       [ "name" => "Micronesia, Federated States of", "code" => "FM" ],
       [ "name" => "Moldova, Republic of", "code" => "MD" ],
       [ "name" => "Monaco", "code" => "MC" ],
       [ "name" => "Mongolia", "code" => "MN" ],
       [ "name" => "Montserrat", "code" => "MS"   ],
       [ "name" => "Morocco", "code" => "MA" ],
       [ "name" => "Mozambique", "code" => "MZ" ],
       [ "name" => "Myanmar", "code" => "MM" ],
       [ "name" => "Namibia", "code" => "NA" ],
       [ "name" => "Nauru", "code" => "NR" ],
       [ "name" => "Nepal", "code" => "NP" ],
       [ "name" => "Netherlands", "code" => "NL" ],
       [ "name" => "Netherlands Antilles", "code" => "AN"   ],
       [ "name" => "New Caledonia", "code" => "NC" ],
       [ "name" => "New Zealand", "code" => "NZ" ],
       [ "name" => "Nicaragua", "code" => "NI" ],
       [ "name" => "Niger", "code" => "NE" ],
       [ "name" => "Nigeria", "code" => "NG" ],
       [ "name" => "Niue", "code" => "NU" ],
       [ "name" => "Norfolk Island", "code" => "NF" ],
       [ "name" => "Northern Mariana Islands", "code" => "MP"   ],
       [ "name" => "Norway", "code" => "NO" ],
       [ "name" => "Oman", "code" => "OM" ],
       [ "name" => "Pakistan", "code" => "PK" ],
       [ "name" => "Palau", "code" => "PW" ],
       [ "name" => "Palestinian Territory, Occupied", "code" => "PS" ],
       [ "name" => "Panama", "code" => "PA" ],
       [ "name" => "Papua New Guinea", "code" => "PG" ],
       [ "name" => "Paraguay", "code" => "PY"   ],
       [ "name" => "Peru", "code" => "PE" ],
       [ "name" => "Philippines", "code" => "PH" ],
       [ "name" => "Pitcairn Islands", "code" => "PN" ],
       [ "name" => "Poland", "code" => "PL" ],
       [ "name" => "Portugal", "code" => "PT" ],
       [ "name" => "Puerto Rico", "code" => "PR" ],
       [ "name" => "Qatar", "code" => "QA" ],
       [ "name" => "Reunion", "code" => "RE"   ],
       [ "name" => "Romania", "code" => "RO" ],
       [ "name" => "Russian Federation", "code" => "RU" ],
       [ "name" => "Rwanda", "code" => "RW" ],
       [ "name" => "Saint Helena", "code" => "SH" ],
       [ "name" => "Saint Kitts and Nevis", "code" => "KN" ],
       [ "name" => "Saint Lucia", "code" => "LC" ],
       [ "name" => "Saint Pierre and Miquelon", "code" => "PM" ],
       [ "name" => "Saint Vincent and the Grenadines", "code" => "VC"   ],
       [ "name" => "Samoa", "code" => "WS" ],
       [ "name" => "San Marino", "code" => "SM" ],
       [ "name" => "Sao Tome and Principe", "code" => "ST" ],
       [ "name" => "Saudi Arabia", "code" => "SA" ],
       [ "name" => "Senegal", "code" => "SN" ],
       [ "name" => "Serbia and Montenegro", "code" => "CS" ],
       [ "name" => "Seychelles", "code" => "SC" ],
       [ "name" => "Sierra Leone", "code" => "SL"   ],
       [ "name" => "Singapore", "code" => "SG" ],
       [ "name" => "Slovakia", "code" => "SK" ],
       [ "name" => "Slovenia", "code" => "SI" ],
       [ "name" => "Solomon Islands", "code" => "SB" ],
       [ "name" => "Somalia", "code" => "SO" ],
       [ "name" => "South Africa", "code" => "ZA" ],
       [ "name" => "South Georgia and the South Sandwich Islands", "code" => "GS" ],
       [ "name" => "Spain", "code" => "ES"   ],
       [ "name" => "Sri Lanka", "code" => "LK" ],
       [ "name" => "Sudan", "code" => "SD" ],
       [ "name" => "Suriname", "code" => "SR" ],
       [ "name" => "Svalbard and Jan Mayen", "code" => "SJ" ],
       [ "name" => "Swaziland", "code" => "SZ" ],
       [ "name" => "Sweden", "code" => "SE" ],
       [ "name" => "Switzerland", "code" => "CH" ],
       [ "name" => "Syrian Arab Republic", "code" => "SY"   ],
       [ "name" => "Taiwan", "code" => "TW" ],
       [ "name" => "Tajikistan", "code" => "TJ" ],
       [ "name" => "Tanzania, United Republic of", "code" => "TZ" ],
       [ "name" => "Thailand", "code" => "TH" ],
       [ "name" => "Timor-Leste", "code" => "TL" ],
       [ "name" => "Togo", "code" => "TG" ],
       [ "name" => "Tokelau", "code" => "TK" ],
       [ "name" => "Tonga", "code" => "TO"   ],
       [ "name" => "Trinidad and Tobago", "code" => "TT" ],
       [ "name" => "Tunisia", "code" => "TN" ],
       [ "name" => "Turkey", "code" => "TR" ],
       [ "name" => "Turkmenistan", "code" => "TM" ],
       [ "name" => "Turks and Caicos Islands", "code" => "TC" ],
       [ "name" => "Tuvalu", "code" => "TV" ],
       [ "name" => "Uganda", "code" => "UG" ],
       [ "name" => "Ukraine", "code" => "UA"   ],
       [ "name" => "United Arab Emirates", "code" => "AE" ],
       [ "name" => "United Kingdom", "code" => "GB" ],
       [ "name" => "United States", "code" => "US" ],
       [ "name" => "United States Minor Outlying Islands", "code" => "UM" ],
       [ "name" => "Uruguay", "code" => "UY" ],
       [ "name" => "Uzbekistan", "code" => "UZ" ],
       [ "name" => "Vanuatu", "code" => "VU" ],
       [ "name" => "Venezuela", "code" => "VE"   ],
       [ "name" => "Vietnam", "code" => "VN" ],
       [ "name" => "Virgin Islands, British", "code" => "VG" ],
       [ "name" => "Virgin Islands, U.S.", "code" => "VI" ],
       [ "name" => "Wallis and Futuna", "code" => "WF" ],
       [ "name" => "Western Sahara", "code" => "EH" ],
       [ "name" => "Yemen", "code" => "YE" ],
       [ "name" => "Zambia", "code" => "ZM" ],
       [ "name" => "Zimbabwe", "code" => "ZN" ]
    ]; 

    /**
     * Run the database seeds.
     */
    public function run(): void
    {
        foreach($this->countries as $country) {
            Country::create( $country );            
        }
    }
}

create_countries_table.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('countries', function (Blueprint $table) {
            $table->id();
            $table->string('code', 10)->unique();
            $table->string('name')->unique();
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::dropIfExists('countries');
    }
};