naukyy
33 lines
1.2 KiB
PHP
33 lines
1.2 KiB
PHP
<?php
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class Database {
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private static $conn = null;
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private static function env(string $key, string $default = ''): string {
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$value = getenv($key);
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return ($value === false || $value === '') ? $default : $value;
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}
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public static function getConnection() {
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if (self::$conn === null) {
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try {
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$host = self::env('DB_HOST', '127.0.0.1');
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$port = self::env('DB_PORT', '3306');
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$dbName = self::env('DB_DATABASE', 'webgis_db');
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$username = self::env('DB_USERNAME', 'root');
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$password = self::env('DB_PASSWORD', '');
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self::$conn = new PDO(
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"mysql:host={$host};port={$port};dbname={$dbName};charset=utf8mb4",
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$username,
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$password
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);
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self::$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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self::$conn->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
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} catch (PDOException $exception) {
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echo "Connection error: " . $exception->getMessage();
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}
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}
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return self::$conn;
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}
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}
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