First Draft

First Draft of the Example Files

robinsnest/signup.php

@@ -0,0 +1,75 @@
+<?php // Example 05: signup.php
+  require_once 'header.php';
+
+echo <<<_END
+  <script>
+    function checkUser(user)
+    {
+      if (user.value == '')
+      {
+        $('#used').html('&nbsp;')
+        return
+      }
+
+      $.post
+      (
+        'checkuser.php',
+        { user : user.value },
+        function(data)
+        {
+          $('#used').html(data)
+        }
+      )
+    }
+  </script>  
+_END;
+
+  $error = $user = $pass = "";
+  if (isset($_SESSION['user'])) destroySession();
+
+  if (isset($_POST['user']))
+  {
+    $user = sanitizeString($_POST['user']);
+    $pass = sanitizeString($_POST['pass']);
+
+    if ($user == "" || $pass == "")
+      $error = 'Not all fields were entered<br><br>';
+    else
+    {
+      $result = queryMysql("SELECT * FROM members WHERE user='$user'");
+
+      if ($result->rowCount())
+        $error = 'That username already exists<br><br>';
+      else
+      {
+        queryMysql("INSERT INTO members VALUES('$user', '$pass')");
+        die('<h4>Account created</h4>Please Log in.</div></body></html>');
+      }
+    }
+  }
+
+echo <<<_END
+      <form method='post' action='signup.php?r=$randstr'>$error
+      <div data-role='fieldcontain'>
+        <label></label>
+        Please enter your details to sign up
+      </div>
+      <div data-role='fieldcontain'>
+        <label>Username</label>
+        <input type='text' maxlength='16' name='user' value='$user'
+          onBlur='checkUser(this)'>
+        <label></label><div id='used'>&nbsp;</div>
+      </div>
+      <div data-role='fieldcontain'>
+        <label>Password</label>
+        <input type='text' maxlength='16' name='pass' value='$pass'>
+      </div>
+      <div data-role='fieldcontain'>
+        <label></label>
+        <input data-transition='slide' type='submit' value='Sign Up'>
+      </div>
+    </div>
+  </body>
+</html>
+_END;
+?>