code: public static function getSeverityAsString($severity)
      {
          static $map = array(
              E_ERROR             => 'E_ERROR',
              E_WARNING           => 'E_WARNING',
              E_PARSE             => 'E_PARSE',
              E_NOTICE            => 'E_NOTICE',
              E_CORE_ERROR        => 'E_CORE_ERROR',
              E_CORE_WARNING      => 'E_CORE_WARNING',
              E_COMPILE_ERROR     => 'E_COMPILE_ERROR',
              E_COMPILE_WARNING   => 'E_COMPILE_WARNING',
              E_USER_ERROR        => 'E_USER_ERROR',
              E_USER_WARNING      => 'E_USER_WARNING',
              E_USER_NOTICE       => 'E_USER_NOTICE',
              E_STRICT            => 'E_STRICT',
              E_RECOVERABLE_ERROR => 'E_RECOVERABLE_ERROR',   # PHP 5.2
              E_DEPRECATED        => 'E_DEPRECATED',          # PHP 5.3
              E_USER_DEPRECATED   => 'E_USER_DEPRECATED',     # PHP 5.3
              E_ALL               => 'E_ALL'
          );
  
          return $map[$severity];
      }
docs: Converts an error code into it's string representation.
  
  @param $severity  PHP integer error code.
  
  @return String version of error code.