function weather_get_metar in Weather 5.6
Same name and namespace in other branches
- 5 weather.module \weather_get_metar()
- 6.5 weather.module \weather_get_metar()
- 7 weather.module \weather_get_metar()
Fetches the latest METAR data from the database or internet
1 call to weather_get_metar()
- weather_block in ./
weather.module - Generate HTML for the weather block
File
- ./
weather.module, line 1467 - Display <acronym title="METeorological Aerodrome Report">METAR</acronym> weather data from anywhere in the world
Code
function weather_get_metar($icao) {
// see if there's a report in the database
$icao = strtoupper($icao);
$sql = "SELECT * FROM {weather} WHERE icao='%s'";
$result = db_query($sql, $icao);
$data = db_fetch_array($result);
// if there is no report, initialize the array
if (!isset($data['metar_raw']) or !isset($data['next_update_on'])) {
$data['next_update_on'] = 0;
$data['metar_raw'] = '';
}
// if the time has come, download again
if ($data['next_update_on'] <= time()) {
$data['metar_raw'] = '';
}
// fetch data from the internet
if ($data['metar_raw'] == '') {
$data['metar_raw'] = _weather_retrieve_data($icao);
if ($data['metar_raw']) {
$metar = weather_parse_metar($data['metar_raw']);
weather_store_metar($metar);
}
else {
// the internet retrieval has not been successful.
// try again in 10 minutes
$sql = "UPDATE {weather} SET next_update_on=%d WHERE icao='%s'";
db_query($sql, time() + 10 * 60, $icao);
}
}
else {
$metar = weather_parse_metar($data['metar_raw']);
}
return $metar;
}