private static function getPerDayForSchool($schoolName, $numIntervals)
{
$cursor = StudentModel::getAll();
$pattern = "/(.*)@(.*)/";
$timeNow = time() - 18000;
$intervals = array();
$resultArray = array();
for ($x = $numIntervals; $x > 0; $x--) {
array_push($intervals, strtotime("today -" . ($x - 1) . " day") - 18000);
array_push($resultArray, array(date('D', strtotime("today -" . ($x - 1) . " day") - 18000), 0));
}
array_push($intervals, $timeNow);
//$intervals = array_map(function ($x) { return $x-46035245; } , $intervals);
foreach ($cursor as $doc) {
$success = preg_match($pattern, $doc["email"], $match);
if ($success && $match[2] == $schoolName) {
$docTime = $doc["_id"]->getTimeStamp();
for ($i = 0; $i < $numIntervals; $i++) {
if ($docTime >= $intervals[$i] and $docTime < $intervals[$i + 1]) {
$resultArray[$i][1]++;
}
}
}
}
return $resultArray;
}
