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refactor environment variable handling to prioritize .env values over PHP-FPM and improve dotenv loading logic

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tom.hempel
2026-06-01 19:05:33 +02:00
parent 6174d3c820
commit a5e58e88c1
1 changed files with 15 additions and 6 deletions
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21
common.php
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@ -5,10 +5,21 @@
require_once __DIR__ . '/lib/text_sanitize.php';
/**
* Read an environment variable (getenv, then $_ENV / $_SERVER).
* PHP-FPM often disables putenv(); .env is still loaded into $_ENV.
* Values loaded from the project .env file (see qdb_load_dotenv).
* Checked before getenv so a stale/wrong FPM pool variable cannot override .env.
*
* @var array<string, string>
*/
$GLOBALS['qdb_dotenv'] = [];
/**
* Read an environment variable (.env file first, then getenv / $_ENV / $_SERVER).
* PHP-FPM often disables putenv(); .env is applied via qdb_dotenv + $_ENV.
*/
function qdb_env_get(string $name): ?string {
if (isset($GLOBALS['qdb_dotenv'][$name]) && $GLOBALS['qdb_dotenv'][$name] !== '') {
return $GLOBALS['qdb_dotenv'][$name];
}
$v = getenv($name);
if ($v !== false && $v !== '') {
return $v;
@ -33,7 +44,7 @@ function qdb_env_set(string $name, string $value): void {
/**
* Load KEY=value pairs from .env in the project root.
* Does not override variables already set in the real environment.
* Values from the file take precedence over PHP-FPM / getenv for the same keys.
*/
function qdb_load_dotenv(string $path): void {
if (!is_readable($path)) {
@ -64,9 +75,7 @@ function qdb_load_dotenv(string $path): void {
$value = substr($value, 1, -1);
}
}
if (qdb_env_get($name) !== null) {
continue;
}
$GLOBALS['qdb_dotenv'][$name] = $value;
qdb_env_set($name, $value);
}
}