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Fixing array_median to return 0 if passed an empty array

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This commit is contained in:
Jon Ziebell 2021-01-22 08:33:09 -05:00
parent 53d3e52609
commit d1bc6a40f5
1 changed files with 9 additions and 2 deletions
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11
api/index.php
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@ -42,6 +42,11 @@ $request->process($_REQUEST);
// Useful function // Useful function
function array_median($array) { function array_median($array) {
$count = count($array); $count = count($array);
if($count === 0) {
return null;
}
$middle = floor($count / 2); $middle = floor($count / 2);
sort($array, SORT_NUMERIC); sort($array, SORT_NUMERIC);
$median = $array[$middle]; // assume an odd # of items $median = $array[$middle]; // assume an odd # of items
@ -54,9 +59,11 @@ function array_median($array) {
// Useful function // Useful function
function array_mean($array) { function array_mean($array) {
if (count($array) === 0) { $count = count($array);
if($count === 0) {
return null; return null;
} }
return array_sum($array) / count($array); return array_sum($array) / $count;
} }