<?php
// Full country list for dropdowns — ISO 3166 common names
$countriesList = [
    "Afghanistan","Albania","Algeria","Andorra","Angola","Antigua and Barbuda",
    "Argentina","Armenia","Australia","Austria","Azerbaijan","Bahamas","Bahrain",
    "Bangladesh","Barbados","Belarus","Belgium","Belize","Benin","Bhutan",
    "Bolivia","Bosnia and Herzegovina","Botswana","Brazil","Brunei","Bulgaria",
    "Burkina Faso","Burundi","Cambodia","Cameroon","Canada","Cape Verde",
    "Central African Republic","Chad","Chile","China","Colombia","Comoros",
    "Congo (DRC)","Congo (Republic)","Costa Rica","Croatia","Cuba","Cyprus",
    "Czech Republic","Denmark","Djibouti","Dominica","Dominican Republic",
    "Ecuador","Egypt","El Salvador","Equatorial Guinea","Eritrea","Estonia",
    "Eswatini","Ethiopia","Fiji","Finland","France","Gabon","Gambia","Georgia",
    "Germany","Ghana","Greece","Grenada","Guatemala","Guinea","Guinea-Bissau",
    "Guyana","Haiti","Honduras","Hungary","Iceland","India","Indonesia","Iran",
    "Iraq","Ireland","Israel","Italy","Ivory Coast","Jamaica","Japan","Jordan",
    "Kazakhstan","Kenya","Kiribati","Korea (North)","Korea (South)","Kosovo",
    "Kuwait","Kyrgyzstan","Laos","Latvia","Lebanon","Lesotho","Liberia","Libya",
    "Liechtenstein","Lithuania","Luxembourg","Madagascar","Malawi","Malaysia",
    "Maldives","Mali","Malta","Marshall Islands","Mauritania","Mauritius",
    "Mexico","Micronesia","Moldova","Monaco","Mongolia","Montenegro","Morocco",
    "Mozambique","Myanmar","Namibia","Nauru","Nepal","Netherlands","New Zealand",
    "Nicaragua","Niger","Nigeria","North Macedonia","Norway","Oman","Pakistan",
    "Palau","Palestine","Panama","Papua New Guinea","Paraguay","Peru",
    "Philippines","Poland","Portugal","Qatar","Romania","Russia","Rwanda",
    "Saint Kitts and Nevis","Saint Lucia","Saint Vincent and the Grenadines",
    "Samoa","San Marino","Sao Tome and Principe","Saudi Arabia","Senegal",
    "Serbia","Seychelles","Sierra Leone","Singapore","Slovakia","Slovenia",
    "Solomon Islands","Somalia","South Africa","South Sudan","Spain","Sri Lanka",
    "Sudan","Suriname","Sweden","Switzerland","Syria","Tajikistan","Tanzania",
    "Thailand","Timor-Leste","Togo","Tonga","Trinidad and Tobago","Tunisia",
    "Turkey","Turkmenistan","Tuvalu","Uganda","Ukraine","UAE","UK","USA",
    "Uruguay","Uzbekistan","Vanuatu","Vatican City","Venezuela","Vietnam",
    "Yemen","Zambia","Zimbabwe"
];

function renderCountryOptions($selected = '') {
    global $countriesList;
    foreach ($countriesList as $country) {
        $sel = $selected === $country ? ' selected' : '';
        echo '<option value="' . e($country) . '"' . $sel . '>' . e($country) . '</option>' . "\n";
    }
}
