function _weather_parse_timestamp in Weather 7

Same name and namespace in other branches

1. 5.6 weather_parser.inc \_weather_parse_timestamp()
2. 5 weather_parser.inc \_weather_parse_timestamp()
3. 6.5 weather_parser.inc \_weather_parse_timestamp()

Extract timestamp.

Parameters

string $metar_raw: Raw METAR data to parse

Return value

string Datetime string (UTC) for database storage

1 call to _weather_parse_timestamp()

weather_parse_metar in ./weather_parser.inc

Parses a raw METAR data string.

File

./weather_parser.inc, line 196

Retrieves and parses raw METAR data and stores result in database.

Code

function _weather_parse_timestamp($metar_raw) {

  // The format to match is DDHHMMZ, for example, 251720Z
  if (preg_match('/ ([0-9]{2})([0-9]{2})([0-9]{2})Z /', $metar_raw, $matches)) {

    // Construct the date
    $month = gmdate("n");
    $year = gmdate("Y");

    // If the day is larger than the current day, it's most probably
    // a day in the last month.
    if ($matches[1] > gmdate("d")) {
      $month -= 1;
    }
    return gmmktime($matches[2], $matches[3], 0, $month, $matches[1], $year);
  }
}