added feature to remove series

backend/remove.php

@@ -0,0 +1,36 @@
+<?php
+session_start();
+
+if (!isset($_SESSION["username"])) {
+  header("Location: /"); // Redirect to the login page if not logged in
+  exit;
+}
+
+$username = $_SESSION["username"];
+
+$env = parse_ini_file("../config/.env");
+
+// Connect to db
+$conn = new mysqli($env["HOST"], $env["DBUSER"], $env["DBPASS"], $env["TABLE"]);
+
+if ($conn->connect_error) {
+  die("Connection failed: " . $conn->connect_error);
+}
+
+$user_id = $conn->query("SELECT * FROM users WHERE username = '$username'")->fetch_assoc()["id"];
+
+$name = $_POST["title"];
+
+$table_name = "user" . $user_id;
+
+$result = $conn->query("DELETE FROM $table_name WHERE name = '$name'");
+
+if($result) {
+  $conn->close();
+  header("Location: /dashboard.php");
+  exit;
+} else {
+  $conn->close();
+  die("Error removing value from database");
+}
+?>