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MDL-17825 Converting float grades to string when counting values using the Mode of Grades aggregation. Merging from MOODLE_19_STABLE

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nicolasconnault 2009-01-08 16:02:11 +00:00
parent c5b8b31ad5
commit 0198929cdb
1 changed files with 12 additions and 1 deletions
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13
lib/grade/grade_category.php
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@ -607,7 +607,18 @@ class grade_category extends grade_object {
break;
case GRADE_AGGREGATE_MODE: // the most common value, average used if multimode
$freq = array_count_values($grade_values);
// array_count_values only counts INT and STRING, so if grades are floats we must convert them to string
$converted_grade_values = array();
foreach ($grade_values as $k => $gv) {
if (!is_int($gv) && !is_string($gv)) {
$converted_grade_values[$k] = (string) $gv;
} else {
$converted_grade_values[$k] = $gv;
}
}
$freq = array_count_values($converted_grade_values);
arsort($freq); // sort by frequency keeping keys
$top = reset($freq); // highest frequency count
$modes = array_keys($freq, $top); // search for all modes (have the same highest count)