Problema con funzioni

[Filippo_CL]

Salve ragazzi, ho un problema col seguente script.
In pratica vorrei ripetere il processo per ogni stazione e stampare a schermo i dati di tutte le stazioni.
Ho messo un foreach, ma in questo modo mi da errore di redeclare.
Vi posto il codice per interno, è un pò lunghetto, spero possiate darmi una mano.

$stazioni= array('LIMG','LIEA','LIBA','LIPA','LIYW','LIBD','LIME','LIPE','LIPB','LIPL','LIPO','LIBR','LIEE','LIEB','LIEC','LIMU','LIQC','LICC','LICZ','LIPC','LICO','LIBC','LIMZ','LIED','LIVD','LIPY','LIPF','LIRQ','LIPK','LIVF','LIRH','LICL','LIMJ','LIBV','LIRM','LIRS','LIBG','LIRG','LICA','LICD','LIRL','LIBN','LIBH','LICF','LIML','LIMC','LIQO','LIVC','LIMY','LIBQ','LIRK','LIRN','LIMN','LIEO','LIVP','LICJ','LICP','LICG','LIMP','LIMV','LIMT','LIVR','LIRZ','LIBP','LIMS','LIMH','LIRP','LIRE','LIVM','LICR','LIVE','LIQN','LIPR','LIRA','LIRU','LIRF','LIPQ','LIBY','LIQW','LIVO','LIMK','LIMF','LICT','LIRT','LIPS','LIPH','LIVT','LIPI','LICU','LIPZ','LIPX','LIPT','LIRV');

foreach ($stazioni as $valore)
{
$stazione = $valore; /*$_GET['stazione']*/;
$wxInfo['STAZIONE'] = $stazione;

$metar = get_metar($stazione,$wxInfo);
process_metar($metar,$wxInfo);

  // **** OUTPUT ****
echo "METAR = $metar

\n";
print_wxInfo($wxInfo);  // Modify this function to fit your needs.

    }

//FUNZIONI#############################################
function get_metar($stazione, &$wxInfo) {
    $fileName="http://weather.noaa.gov/pub/data/observations/metar/stations/$stazione.TXT";
    $metar = '';
    $fileData = @file($fileName);  // or die('Data not available');
    if ($fileData != false) {
        list($i, $date) = each($fileData);
        $utc = strtotime(trim($date));
        set_time_data($utc,$wxInfo);
        while (list($i, $line) = each($fileData)) {
            $metar .= ' ' . trim($line);
            }
        $metar = trim(str_replace('  ', ' ', $metar));
        }
    return $metar;
    }

function set_time_data($utc, &$wxInfo) {

    $timeZoneOffset = date('Z');
    $local = $utc + $timeZoneOffset;
    $wxInfo['OBSERVED'] = date('D M j, H:i T',$local);
    $now = time();
    $wxInfo['NOW'] = date('D M j, H:i T',$now);
    $timeDiff = floor(($now - $local) / 60);
    if ($timeDiff < 91) $wxInfo['AGE'] = "$timeDiff min ago";
    else {
        $min = $timeDiff % 60;
        if ($min < 10) $min = '0' . $min;
        $wxInfo['AGE'] = floor($timeDiff / 60) . ":$min hr ago";
        }
    }

function process_metar($metar, &$wxInfo) {
    
    if ($metar != '') {
        $metarParts = explode(' ',$metar);
        $groupName = array('get_station','get_time','get_station_type','get_wind','get_var_wind','get_visibility','get_runway','get_conditions','get_cloud_cover','get_temperature','get_altimeter');
        $metarPtr = 1;  // get_station identity is ignored
        $group = 1;
        while ($group < count($groupName)) {
            $part = $metarParts[$metarPtr];
            $groupName[$group]($part,$metarPtr,$group,$wxInfo);  // $groupName is a function variable
            }
        }
    else $wxInfo['ERROR'] = 'Data not available';
    }

function get_station($part, &$metarPtr, &$group, &$wxInfo) {

    if (strlen($part) == 4 and $group == 0) {
        $group++;
        $metarPtr++;
        }
    }

function get_time($part, &$metarPtr, &$group, &$wxInfo) {
    if (substr($part,-1) == 'Z') $metarPtr++;
    $group++;
    }

function get_station_type($part, &$metarPtr, &$group, &$wxInfo) {
    if ($part == 'AUTO' || $part == 'COR') $metarPtr++;
    $group++;
    }

function get_wind($part, &$metarPtr, &$group, &$wxInfo) {

    function speed($part, $unit) {

        if ($unit == 'KT') $speed = round(1.1508 * $part);         // from knots
        elseif ($unit == 'MPS') $speed = round(2.23694 * $part);   // from meters per second
        else $speed = round(0.621371 * $part);                     // from km per hour
        $speed = "$speed mph";
        return $speed;
        }
    
    if (ereg('^([0-9G]{5,10}|VRB[0-9]{2,3})(KT|MPS|KMH)$',$part,$pieces)) {
        $part = $pieces[1];
        $unit = $pieces[2];
        if ($part == '00000') {
            $wxInfo['WIND'] = 'calm';  // no wind
            }
        else {
            ereg('([0-9]{3}|VRB)([0-9]{2,3})G?([0-9]{2,3})?',$part,$pieces);
            if ($pieces[1] == 'VRB') $direction = 'varies';
            else {
                $angle = (integer) $pieces[1];
                $compass = array('N','NNE','NE','ENE','E','ESE','SE','SSE','S','SSW','SW','WSW','W','WNW','NW','NNW');
                $direction = $compass[round($angle / 22.5) % 16];
                }
            if ($pieces[3] == 0) $gust = '';
            else $gust = ', gusting to ' . speed($pieces[3], $unit);
            $wxInfo['WIND'] = $direction . ' at ' . speed($pieces[2], $unit) . $gust;
            }
        $metarPtr++;
        }
    $group++;
    }

function get_var_wind($part, &$metarPtr, &$group, &$wxInfo) {

    if (ereg('([0-9]{3})V([0-9]{3})',$part,$pieces)) $metarPtr++;
    $group++;
    }



function get_runway($part, &$metarPtr, &$group, &$wxInfo) {

    if (substr($part,0,1) == 'R') $metarPtr++;
    else $group++;
    }



function get_cloud_cover($part, &$metarPtr, &$group, &$wxInfo) {

    static $cloudCode = array(
        'SKC' => 'clear skies',
        'CLR' => 'clear skies',
        'FEW' => 'partly cloudy',
        'SCT' => 'scattered clouds',
        'BKN' => 'mostly cloudy',
        'OVC' => 'overcast',
        'VV'  => 'vertical visibility');
    if ($part == 'SKC' || $part == 'CLR') {
        $wxInfo['CLOUDS'] = $cloudCode[$part];
        $metarPtr++;
        $group++;
        }
    else {
        if (ereg('^([A-Z]{2,3})([0-9]{3})',$part,$pieces)) {  // codes for CB and TCU are ignored
            $wxInfo['CLOUDS'] = $cloudCode[$pieces[1]];
            if ($pieces[1] == 'VV') {
                $altitude = (integer) 100 * $pieces[2];  // units are feet
                $wxInfo['CLOUDS'] .= " to $altitude ft";
                }
            $metarPtr++;
            }
        else {
            $group++;
            }
        }
    }


function print_wxInfo($wxInfo) {

    $dots = '...............';
    foreach($wxInfo As $wxIndex => $wx) {
        if (strlen($wx) != 0) echo $wxIndex . substr($dots,0,strlen($dots)-strlen($wxIndex)) . " $wx
\n";
        }
    } 

[filippo.toso]

Il problema è relativo alla definizione della funzione speed() all'interno di get_wind().

Sposta la definizione di speed() all'esterno di get_wind() e non dovresti ottenere più l'errore.

[Filippo_CL]

Perfetto, adesso va, grazie mille!!