Create lostusername.php

accounts/lostusername.php

@@ -0,0 +1,47 @@
+Enter your account email<br><form action="lostusername.php" method="post">Email: <input type="text" name="email"><br><input type="submit" value="Reset"></form>
+<?php
+include "../incl/lib/connection.php";
+include "../incl/lib/mail.php";
+$email = $_POST["email"];
+if(filter_var($email, FILTER_VALIDATE_EMAIL)) {
+    $query = $db->prepare("SELECT * FROM accounts WHERE email = :email");
+    $query->execute([':email' => $email]);
+    if ($query->rowCount() > 0) {
+        $query = $db->prepare("SELECT userName FROM accounts WHERE email = :email");
+        $query->execute([':email' => $email]);
+        $userName = $query->fetchColumn();
+        require("mail/PHPMailerAutoload.php");
+        $mail = new PHPMailer;
+        $mail->CharSet = 'utf-8';
+
+        $mail->isSMTP();
+        $mail->Host = $smtp;
+        $mail->SMTPAuth = true;
+        $mail->Username = $mail_server;
+        $mail->Password = $mail_server_password; 
+        $mail->SMTPSecure = $mail_type;
+        $mail->Port = $smtp_port;
+
+        $mail->setFrom($mail_server);
+        $mail->addAddress("$email"); 
+        $mail->isHTML(true);
+        $mail->Subject = 'Your username';
+        $mail->Body    = "<h1 align=center>Hello</h1><p align=center>Your username is: $userName</p>";
+        $mail->AltBody = '';
+        if($mail->send()) {
+            echo "Email sent";
+        } else {
+            echo "-1";
+        }
+    } else {
+        echo "Email not found";
+    }
+} else {
+    if(empty($_POST["email"])) {
+
+    } else {
+        echo "Email invalid";
+    }
+}
+
+?>