signup form

signup.php

+<?php
+  
+  require "header.php";
+?>
+
+    <main>
+      <div class="wrapper-main">
+        <section class="section-default">
+          <h1>Signup</h1>
+          //here I ll add error messages if user has tried signup already
+        
+          <form class="form-signup" action="includes/signup.inc.php" method="post">
+            <?php
+            // Here we check if the user already tried submitting data.
+
+            // We check username.
+            if (!empty($_GET["uid"])) {
+              echo '<input type="text" name="uid" placeholder="Username" value="'.$_GET["uid"].'">';
+            }
+            else {
+              echo '<input type="text" name="uid" placeholder="Username">';
+            }
+
+            // We check e-mail.
+            if (!empty($_GET["mail"])) {
+              echo '<input type="text" name="mail" placeholder="E-mail" value="'.$_GET["mail"].'">';
+            }
+            else {
+              echo '<input type="text" name="mail" placeholder="E-mail">';
+            }
+            ?>
+            <input type="text" name="uid" placeholder="Username">
+            <input type="text" name="mail" placeholder="Email">
+            
+            <input type="password" name="pwd" placeholder="Password">
+            <input type="password" name="pwd-repeat" placeholder="Repeat password ">
+            <button type="submit" name="signup-submit">Signup</button>
+          </form>
+          
+        </section>
+      </div>
+    </main>
+
+<?php
+ 
+  require "footer.php";
+?>