function __getRunningUser(){
// works on Windows and Linux, but might return null on systems that include "exec" in
// disabled_functions in php.ini (typical in shared hosting)
$runningUser = exec('whoami');
if ($runningUser == null) { // matches null, false and ""
$runningUser = getenv('USERDOMAIN').'\\'.getenv('USERNAME');
} elseif (function_exists('posix_getpwuid') && function_exists('posix_geteuid')) {
$usr = posix_getpwuid(posix_geteuid());
$runningUser = $usr['name'];
return ($runningUser == null) ? '' : $runningUser;
static $is_windows = null;
if (!isset($is_windows)) {
$is_windows = strtoupper(substr(PHP_OS, 0, 3)) == 'WIN';
$cronUser = __getRunningUser();
echo '<get_user>'.$cronUser.'</get_user>';