lib/Configuration.php
public static function toDebugReport()
    {
        $report  = 'PHP SDK (zipMoney) Debug Report:' . PHP_EOL;
        $report .= '    OS: ' . php_uname() . PHP_EOL;
        $report .= '    PHP Version: ' . phpversion() . PHP_EOL;
        $report .= '    OpenAPI Spec Version: 2017-03-01' . PHP_EOL;
        $report .= '    Temp Folder Path: ' . self::getDefaultConfiguration()->getTempFolderPath() . PHP_EOL;

        return $report;
    }
public static function toDebugReport()
    {
        $report  = 'PHP SDK (zipMoney) Debug Report:' . PHP_EOL;
        $report .= '    OS: ' . php_uname() . PHP_EOL;
        $report .= '    PHP Version: ' . phpversion() . PHP_EOL;
        $report .= '    OpenAPI Spec Version: 2017-03-01' . PHP_EOL;
        $report .= '    Temp Folder Path: ' . self::getDefaultConfiguration()->getTempFolderPath() . PHP_EOL;

        return $report;
    }
Gets the essential information for debugging

@return string The report for debugging