87 lines
2.3 KiB
PHP
87 lines
2.3 KiB
PHP
<?php
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namespace App\Core;
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/**
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* Lightweight secure environment variable loader
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*/
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class Env
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{
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/**
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* Load environment variables from a file path
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*
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* @param string $path
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* @throws \Exception
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*/
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public static function load(string $path): void
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{
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if (!file_exists($path)) {
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// Create a default if it doesn't exist to prevent crash, or throw
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if (file_exists($path . '.example')) {
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copy($path . '.example', $path);
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} else {
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throw new \Exception("Environment file not found at: {$path}");
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}
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}
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$lines = file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
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foreach ($lines as $line) {
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$line = trim($line);
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// Skip comments and empty lines
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if (empty($line) || strpos($line, '#') === 0) {
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continue;
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}
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// Split by the first equals sign
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if (strpos($line, '=') !== false) {
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list($key, $value) = explode('=', $line, 2);
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$key = trim($key);
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$value = trim($value);
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// Strip surrounding quotes
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if (preg_match('/^"(.+)"$/', $value, $matches) || preg_match("/^'(.+)'$/", $value, $matches)) {
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$value = $matches[1];
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}
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// Inject into PHP superglobals and env
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putenv("{$key}={$value}");
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$_ENV[$key] = $value;
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$_SERVER[$key] = $value;
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}
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}
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}
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/**
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* Retrieve environment variable with optional default value
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*
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* @param string $key
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* @param mixed $default
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* @return mixed
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*/
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public static function get(string $key, $default = null)
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{
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$val = getenv($key);
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if ($val === false) {
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return $default;
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}
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switch (strtolower($val)) {
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case 'true':
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case '(true)':
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return true;
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case 'false':
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case '(false)':
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return false;
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case 'null':
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case '(null)':
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return null;
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case 'empty':
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case '(empty)':
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return '';
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}
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return $val;
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}
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}
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