LTE frekvencia vadászat

<?php
function convert($input) {
    $deg = " " ;
    $min = " " ;
    $sec = " " ;
    $inputM = " " ;

    for ($i=0; $i < strlen($input); $i++)
    {
        $tempD = $input[$i];
        if ($tempD == iconv("UTF-8", "ISO-8859-1//TRANSLIT", '°') )
        {
            $newI = $i + 1 ;
            $inputM =  substr($input, $newI, -1) ;
            break;
        }//close if degree
        $deg .= $tempD ;
    }//close for degree

    for ($j=0; $j < strlen($inputM); $j++)
    {
        $tempM = $inputM[$j];
        if ($tempM == "'")
        {
            $newI = $j + 1 ;
            $sec =  substr($inputM, $newI, -1) ;
            break;
        }//close if minute
        $min .= $tempM ;
    }//close for min
    $result =  $deg+( (( $min*60) + ($sec) ) / 3600 );
    return $result;
}
$mit = array("Latitude:", "Longitude:", "N", "É", "E", "K", "/", ";", " ", "45,", "46,", "47,", "48,", "15,", "16,", "17,", "18,", "19,", "20,", "21,", "22,", "23,", ", ,", ",,");
$mire = array("", ",", ",", ",", ",", ",", ",", ",", ",", "45.", "46.", "47.", "48.", "15.", "16.", "17.", "18.", "19.", "20.", "21.", "22.", "23.", ",", ",");


$sorok = file('https://docs.google.com/spreadsheets/d/1U96l1NgLH0HI_xT_nnCPZX0fAqRoMVhCZUcl18qyLdY/export?gid=1057796338&format=csv');
$cnt = 0;
$id = 0;
$string = '{
    "type": "FeatureCollection",
    "features": [';
foreach ($sorok as $sor) {
    $cnt ++;
    if ($cnt == 1) continue;
    $mezok = str_getcsv($sor, ",");
    if (count($mezok) < 5) continue;
    if (trim($mezok[5]) == '') continue;
    $tm = $mezok[5];
    $tm = str_replace($mit, $mire, $tm);
    $tm = trim($tm, ",");
    if (strpos($tm, ",") > 0) {
        //echo "<br>-" . $tm . "-<br>";
        list($h1, $s1) = explode(",", $tm);
        $h2 = convert($h1);
        $s2 = convert($s1);
        $mezok[8] = $h2 . ", ". $s2;
        //print_r($mezok);
        //echo "---<br>";
        switch ($mezok[3]) {
            case 'Telekom':
                $fillcolor = "#e20074";
                $color = "#e20074";
                break;
            case 'Telenor':
                $fillcolor = "#0091d2";
                $color = "#0091d2";
                break;
            case 'Vodafone':
                $fillcolor = "#e50100";
                $color = "#e50100";
                break;
        }
        if ( (strpos($mezok[2], 'B3') !== FALSE) || (strpos($mezok[2], 'b3') !== FALSE) || (strpos($mezok[2], 'Band3') !== FALSE) || (strpos($mezok[2], 'band3') !== FALSE) ) {
            $id ++;
            $string .= '
        {
            "id": "' . $id . '",
            "type": "Feature",
            "properties": {
                "band": "B3",
                "mag": 1,
                "operator": "' . strtolower($mezok[3]) . '",
                "fillcolor": "' . $fillcolor . '",
                "color": "' . $color . '",
                "opacity": 0.35,
                "info": "' . $mezok[2] . '</br>' . $mezok[1] . '</br>Rögzítette: ' . $mezok[4] . '</br>' . $mezok[3] . '"
            },
            "geometry": {
                "type": "Point",
                "coordinates": [
                    ' . $h2 . ',
                    ' . $s2 . '
                ]
            }
        },';
        }// if
        if ( (strpos($mezok[2], 'B7') !== FALSE) || (strpos($mezok[2], 'b7') !== FALSE) || (strpos($mezok[2], 'Band7') !== FALSE) || (strpos($mezok[2], 'band7') !== FALSE) ) {
            $id ++;
            $string .= '
        {
            "id": "' . $id . '",
            "type": "Feature",
            "properties": {
                "band": "B7",
                "mag": 1,
                "operator": "' . strtolower($mezok[3]) . '",
                "fillcolor": "' . $fillcolor . '",
                "color": "' . $color . '",
                "opacity": 0.35,
                "info": "' . $mezok[2] . '</br>' . $mezok[1] . '</br>Rögzítette: ' . $mezok[4] . '</br>' . $mezok[3] . '"
            },
            "geometry": {
                "type": "Point",
                "coordinates": [
                    ' . $h2 . ',
                    ' . $s2 . '
                ]
            }
        },';
        }// if
        if ( (strpos($mezok[2], 'B20') !== FALSE) || (strpos($mezok[2], 'b20') !== FALSE) || (strpos($mezok[2], 'Band20') !== FALSE) || (strpos($mezok[2], 'band20') !== FALSE) ) {
            $id ++;
            $string .= '
        {
            "id": "' . $id . '",
            "type": "Feature",
            "properties": {
                "band": "B20",
                "mag": 1,
                "operator": "' . strtolower($mezok[3]) . '",
                "fillcolor": "' . $fillcolor . '",
                "color": "' . $color . '",
                "opacity": 0.35,
                "info": "' . $mezok[2] . '</br>' . $mezok[1] . '</br>Rögzítette: ' . $mezok[4] . '</br>' . $mezok[3] . '"
            },
            "geometry": {
                "type": "Point",
                "coordinates": [
                    ' . $h2 . ',
                    ' . $s2 . '
                ]
            }
        },';
        }// if
    }
}
$string .= '
    ]
}';
echo $string;