All countries PHP array by key

countries.php

<?php

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


foreach ($countries as $k => $country) {
  echo $k . '|' . $country . "\n";
} 

// Text list for key|value entry

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