Mer buggrättning

dbFiles/ReadQuestionsFromFile.php

@@ -51,14 +51,9 @@ if (file_exists($argv[1])) {
 		}
 		
 		$sql = "SELECT id FROM category WHERE name = '$categoryName'";
-		$result = $conn->query($sql);
+		$categoryId = $conn->query($sql)->fetch_object()->id;
 		
-		$categoryId = -1;
-		while ($row = $result->fetch_assoc()) {
-			$categoryId = $row['id'];
-		}
-		
-		if ($categoryId == -1) {
+		if ($categoryId == null) {
 			$sql = "INSERT INTO category (name, r,g,b,a) VALUES ($categoryName, 255,255,255,255)";
 			$conn->query($sql);
 			$categoryId = $conn->insert_id;