csu3_am335x/EVSE/GPL/php-8.1.12/ext/pdo_pgsql/tests/config.inc

<?php
if (false !== getenv('PDO_PGSQL_TEST_DSN')) {
    # user set them from their shell
    $config['ENV']['PDOTEST_DSN'] = getenv('PDO_PGSQL_TEST_DSN');
    if (false !== getenv('PDO_PGSQL_TEST_ATTR')) {
        $config['ENV']['PDOTEST_ATTR'] = getenv('PDO_PGSQL_TEST_ATTR');
    }
} else {
    $config['ENV']['PDOTEST_DSN'] = 'pgsql:host=localhost port=5432 dbname=test user=postgres password=postgres';
    $config['ENV']['PDOTEST_USER'] = 'postgres';
    $config['ENV']['PDOTEST_PASS'] = 'postgres';
}

foreach ($config['ENV'] as $k => $v) {
    putenv("$k=$v");
}