<?php
/*
ini_set('display_errors',1);
ini_set('display_startup_errors',1);
error_reporting(-1);
*/

function leastNum() {
	include("connect.php");
	$query = "SELECT appnum, count(appnum) FROM userinfo GROUP BY appnum ORDER BY count(appnum)";
	$stmt = $mysqli->prepare($query);
	$stmt->execute();
	$stmt->bind_result($num, $count);

	while($stmt->fetch()) {
		$array[$num] = $count;
	}

	for ($i = 1; $i < 10; $i++) {
		if (!array_key_exists($i, $array)) {
			$array[$i] = 0;
		}
	}

	$least = 1;
	for ($i = 1; $i < 10; $i++) {
		if ($array[$i] < $array[$least]) {
			$least = $i;
		}
	}

	$stmt->close();
	$mysqli->close();

	return $least;
}
?>