Create Signup.php

PHP code/Signup.php

@@ -0,0 +1,49 @@
+<?php
+$host = 'localhost'; 
+$dbname = 'FinanceAnalyzer'; 
+$dbUsername = 'root'; 
+$dbPassword = 'newpassword'; 
+
+$dsn = "mysql:host=$host;dbname=$dbname";
+
+$email = $_POST['email'] ?? '';
+$username = $_POST['username'] ?? '';
+$password = $_POST['password'] ?? '';
+$dob = $_POST['dob'] ?? '';
+$address = $_POST['address'] ?? '';
+$phoneNumber = $_POST['phone_number'] ?? '';
+
+try {
+    $pdo = new PDO($dsn, $dbUsername, $dbPassword);
+    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+
+    // Check for existing email
+    $stmt = $pdo->prepare("SELECT COUNT(*) FROM users WHERE email = ?");
+    $stmt->execute([$email]);
+    if ($stmt->fetchColumn() > 0) {
+        echo "Email already exists";
+        exit;
+    }
+
+    $stmt = $pdo->prepare("SELECT COUNT(*) FROM users WHERE username = ?");
+    $stmt->execute([$username]);
+    if ($stmt->fetchColumn() > 0) {
+        echo "Username already exists";
+        exit;
+    }
+
+    $hashedPassword = password_hash($password, PASSWORD_DEFAULT);
+
+    $stmt = $pdo->prepare("INSERT INTO users (email, username, password) VALUES (?, ?, ?)");
+    $stmt->execute([$email, $username, $hashedPassword]);
+
+    $userId = $pdo->lastInsertId();
+
+    $stmt = $pdo->prepare("INSERT INTO info (user_id, DOB, Address, Phone_number) VALUES (?, ?, ?, ?)");
+    $stmt->execute([$userId, $dob, $address, $phoneNumber]);
+
+    echo "1"; // Success
+} catch (PDOException $e) {
+    echo "Connection failed: " . $e->getMessage();
+}
+?>