env.php

<?php
/**
 * Environment Configuration Loader
 * Loads environment variables from .env file
 */

function loadEnv($path = __DIR__ . '/.env')
{
    if (!file_exists($path)) {
        die("ERROR: .env file not found. Please copy .env.example to .env and configure your credentials.");
    }

    $lines = file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
    foreach ($lines as $line) {
        // Skip comments
        if (strpos(trim($line), '#') === 0) {
            continue;
        }

        // Parse key=value pairs
        if (strpos($line, '=') !== false) {
            list($key, $value) = explode('=', $line, 2);
            $key = trim($key);
            $value = trim($value);

            // Remove quotes if present
            if (preg_match('/^(["\'])(.*)\\1$/', $value, $matches)) {
                $value = $matches[2];
            }

            // Set as environment variable and in $_ENV
            if (!array_key_exists($key, $_ENV)) {
                putenv("$key=$value");
                $_ENV[$key] = $value;
            }
        }
    }
}

/**
 * Get environment variable with optional default
 */
function env($key, $default = null)
{
    $value = getenv($key);
    if ($value === false) {
        $value = $_ENV[$key] ?? $default;
    }
    return $value;
}

// Load environment variables
loadEnv();
?>