/**
* get svn version info
*
* @return none
*/
public static function checkForSVN()
{
if (file_exists(dirname(__FILE__) . '/.svn/entries')) {
restore_error_handler();
$contents = file_get_contents(dirname(__FILE__) . '/.svn/entries');
set_error_handler('errorHandlerPsi');
if ($contents && preg_match("/dir\n(.+)/", $contents, $matches)) {
self::$PSI_VERSION_STRING = self::PSI_VERSION . "-r" . $matches[1];
}
}
}