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Prevent populating unitialized distance-buckets

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int2001
2026-03-06 16:08:49 +00:00
parent 1083e34089
commit e5fde70ca6
1 changed files with 12 additions and 1 deletions
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13
application/models/Distances_model.php
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@@ -172,7 +172,15 @@ class Distances_model extends CI_Model
echo json_encode(array('Error' => 'Error. There is a problem with the gridsquare ('.$stationgrid.') set in your profile!'));
exit;
} else {
// Making the array we will use for plotting, we save occurrences of the length of each qso in the array
// Build the chart buckets in 50-unit steps up to the max chart distance ($dist).
// Each bucket covers a 50-unit range, e.g. in km mode:
// $dataarray[0] => "0km - 50km"
// $dataarray[1] => "50km - 100km"
// ...
// $dataarray[399] => "19950km - 20000km" (last valid index, since 20000/50 - 1 = 399)
// A QSO at 31,450 km would map to bucket index 629 (31450/50 = 629),
// which is never initialized here, causing "Undefined array key 629" warnings.
// The isset() guard further below skips any QSO whose distance exceeds this range.
$j = 0;
for ($i = 0; $j < $dist; $i++) {
$dataarray[$i]['dist'] = $j . $unit . ' - ' . ($j + 50) . $unit;
@@ -205,6 +213,9 @@ class Distances_model extends CI_Model
$qrb['Callsign'] = $qso['callsign'];
$qrb['Grid'] = $qso['grid'];
}
if (!isset($dataarray[$arrayplacement])) { // QSO distance exceeds chart range, skip plotting
continue;
}
$dataarray[$arrayplacement]['count']++; // Used for counting total qsos plotted
if ($dataarray[$arrayplacement]['callcount'] < 5) { // Used for tooltip in graph, set limit to 5 calls shown
if ($dataarray[$arrayplacement]['callcount'] > 0) {