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MDL-10474, fixing division by 0

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This commit is contained in:
toyomoyo
2007-07-16 07:14:40 +00:00
parent e95e2f4ccf
commit ccb3f9d984
1 changed files with 7 additions and 3 deletions
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grade/report/grader/lib.php
+7 -3
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@@ -761,13 +761,17 @@ class grade_report_grader extends grade_report {
$groupavghtml = '<tr><th>'.get_string('groupavg', 'grades').'</th>';
foreach ($this->items as $item) {
if (!isset($groupsum[$item->id])) {
if ($numusers == 0 || !isset($groupsum[$item->id])) {
$groupavghtml .= '<td>-</td>';
} else {
$sum = $groupsum[$item->id];
if ($item->scaleid) {
$scaleval = round($this->get_grade_clean($sum->sum/$numusers));
$gradeitemsum = $groupsum[$item->id]->sum;
$gradeitemavg = $gradeitemsum/$numusers;
$scaleval = round($this->get_grade_clean($gradeitemavg));
$scales_array = get_records_list('scale', 'id', $item->scaleid);
$scale = $scales_array[$item->scaleid];
$scales = explode(",", $scale->scale);
@@ -822,7 +826,7 @@ class grade_report_grader extends grade_report {
$gradeavghtml = '<tr><th>'.get_string('average', 'grades').'</th>';
foreach ($this->items as $item) {
if (!isset($classsum[$item->id])) {
if ($numusers == 0 || !isset($classsum[$item->id])) {
$gradeavghtml .= '<td>-</td>';
} else {
$sum = $classsum[$item->id];