95 lines
3.9 KiB
PHP
95 lines
3.9 KiB
PHP
<?php
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/**
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* Simple Exchange Rate Helper
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* Fetches real-time exchange rates from a public API and caches them locally.
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*/
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function get_exchange_rates() {
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$cache_file = __DIR__ . '/../db/exchange_rates.json';
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$cache_time = 3600; // Cache for 1 hour
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if (file_exists($cache_file) && (time() - filemtime($cache_file) < $cache_time)) {
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return json_decode(file_get_contents($cache_file), true);
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}
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// Use a free public API
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$api_url = 'https://api.exchangerate-api.com/v4/latest/USD';
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $api_url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_TIMEOUT, 5);
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$response = curl_exec($ch);
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curl_close($ch);
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if ($response) {
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$data = json_decode($response, true);
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if ($data && isset($data['rates'])) {
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// We want rates relative to USD (which is 1:1 with USDT for this purpose)
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$rates = $data['rates'];
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file_put_contents($cache_file, json_encode($rates));
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return $rates;
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}
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}
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// Fallback rates if API fails
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return [
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'USD' => 1,
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'EUR' => 0.92,
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'GBP' => 0.79,
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'CNY' => 7.23,
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'JPY' => 150.1,
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'HKD' => 7.82,
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'TWD' => 31.6,
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'KRW' => 1332.0
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];
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}
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function get_rate($currency) {
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$rates = get_exchange_rates();
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return $rates[$currency] ?? 1.0;
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}
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function get_global_currencies() {
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return [
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'USD' => ['name' => __('usd_name'), 'flag' => '🇺🇸'],
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'EUR' => ['name' => __('eur_name'), 'flag' => '🇪🇺'],
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'GBP' => ['name' => __('gbp_name'), 'flag' => '🇬🇧'],
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'JPY' => ['name' => __('jpy_name'), 'flag' => '🇯🇵'],
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'CNY' => ['name' => __('cny_name'), 'flag' => '🇨🇳'],
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'HKD' => ['name' => __('hkd_name'), 'flag' => '🇭🇰'],
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'TWD' => ['name' => __('twd_name'), 'flag' => '🇹🇼'],
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'KRW' => ['name' => __('krw_name'), 'flag' => '🇰🇷'],
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'SGD' => ['name' => __('sgd_name'), 'flag' => '🇸🇬'],
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'MYR' => ['name' => __('myr_name'), 'flag' => '🇲🇾'],
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'THB' => ['name' => __('thb_name'), 'flag' => '🇹🇭'],
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'VND' => ['name' => __('vnd_name'), 'flag' => '🇻🇳'],
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'PHP' => ['name' => __('php_name'), 'flag' => '🇵🇭'],
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'IDR' => ['name' => __('idr_name'), 'flag' => '🇮🇩'],
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'AUD' => ['name' => __('aud_name'), 'flag' => '🇦🇺'],
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'CAD' => ['name' => __('cad_name'), 'flag' => '🇨🇦'],
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'CHF' => ['name' => __('chf_name'), 'flag' => '🇨🇭'],
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'BRL' => ['name' => __('brl_name'), 'flag' => '🇧🇷'],
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'RUB' => ['name' => __('rub_name'), 'flag' => '🇷🇺'],
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'INR' => ['name' => __('inr_name'), 'flag' => '🇮🇳'],
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'ZAR' => ['name' => __('zar_name'), 'flag' => '🇿🇦'],
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'TRY' => ['name' => __('try_name'), 'flag' => '🇹🇷'],
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'AED' => ['name' => __('aed_name'), 'flag' => '🇦🇪'],
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'SAR' => ['name' => __('sar_name'), 'flag' => '🇸🇦'],
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'MXN' => ['name' => __('mxn_name'), 'flag' => '🇲🇽'],
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'NZD' => ['name' => 'NZD', 'flag' => '🇳🇿'],
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'SEK' => ['name' => 'SEK', 'flag' => '🇸🇪'],
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'NOK' => ['name' => 'NOK', 'flag' => '🇳🇴'],
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'DKK' => ['name' => 'DKK', 'flag' => '🇩🇰'],
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'ILS' => ['name' => 'ILS', 'flag' => '🇮🇱'],
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'PLN' => ['name' => 'PLN', 'flag' => '🇵🇱'],
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'PKR' => ['name' => 'PKR', 'flag' => '🇵🇰'],
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'EGP' => ['name' => 'EGP', 'flag' => '🇪🇬'],
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'ARS' => ['name' => 'ARS', 'flag' => '🇦🇷'],
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'CLP' => ['name' => 'CLP', 'flag' => '🇨🇱'],
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'COP' => ['name' => 'COP', 'flag' => '🇨🇴'],
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'PEN' => ['name' => 'PEN', 'flag' => '🇵🇪'],
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'KWD' => ['name' => 'KWD', 'flag' => '🇰🇼'],
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'QAR' => ['name' => 'QAR', 'flag' => '🇶🇦'],
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];
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}
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