tracker->entries now unix timestamp as key

public/elotracker/Tracker.php

@@ -16,6 +16,11 @@ class Tracker {
 	 */
 	public array $entries;
 
+	/**
+	 * @var Elo[][]
+	 */
+	public array $entriesByDateString;
+
 	public function __construct() {
 		$this->conn = new MySQLConnection();
 		$this->readAccounts();
@@ -45,27 +50,30 @@ class Tracker {
 			ORDER BY accounts.puuid, date
 		");
 
-		$result = [];
+		$this->entries = [];
+		$this->entriesByDateString = [];
 
 		while ($row = $sql->fetch_assoc()) {
 			$puuid = $row["puuid"];
-			$date = $row["date"];
 
-			if (!isset($result[$puuid]))
+			if (!isset($this->entries[$puuid]))
-				$result[$puuid] = [];
+				$this->entries[$puuid] = [];
 
-			if (!$date)
+			if (!isset($this->entriesByDateString[$puuid]))
-				continue;
+				$this->entriesByDateString[$puuid] = [];
 
+			if ($dateString = $row["date"]){
 				$elo = new Elo();
 				$elo->tier = $row["tier"];
 				$elo->rank = $row["rank"];
 				$elo->points = $row["points"];
 
-			$result[$puuid][$date] = $elo;
+				$datetime = new DateTime($dateString);
+				$this->entries[$puuid][$datetime->getTimestamp()] = $elo;
+				$this->entriesByDateString[$puuid][$dateString] = $elo;
 			}
 
-		$this->entries = $result;
+		}
 	}
 
 	/**