<?php
function registerform()
{

error_reporting(E_ALL);
ini_set('display_errors','on');

echo "<h1>Registration Form:</h1>\n\n";   // Form name <h1>
echo "<form name='registration' action='"; $php_self; echo "' method='post'>\n";    // Builds the html form
echo "<table class='formtable'>";    // Starts the beggining of the table

username();        // Calls the username function creating part of the table
//password(); 		 // Calls the password function creating part of the table
//firstname(); 		 // Calls the firstname function creating part of the table
//lastname(); 		 // Calls the lastname function creating part of the table//
//dateofbirth(); 	 // Calls the d.o.b function creating part of the table
//email();       	 // Calls the email function creating part of the table
//gender();			 // Calls the gender function creating part of the table
//question();			 // Calls the question function creating part of the table

echo "<tr>\n<td>\n</td>\n";
echo "<td><input type='submit' value='Register'>   <input type='reset' value='Reset'></td>\n</tr>\n</table></form>";
// Creates submit button and reset button, and also closes the form and table tabs
}

function username() {
	if($_SERVER['REQUEST_METHOD'] == 'GET') {
		echo "<tr>\n";
		echo "<td>Username:</p></td>\n";
		echo "<td><input type='text' name='username' value=''>";
	}
	elseif($_SERVER['REQUEST_METHOD'] == 'POST') {
		$username = $_POST['username'];
		if(!(isset($username) && (strlen($username) > 2) && (strlen($username) < 20) && (ctype_alpha($username)))) {
			echo "<tr>\n";
			echo "<td>Username:</p></td>\n";
			echo "<td><input type='text' name='username' value=''>";
			echo "<br>Username needs to be over 2 letters long and can only contain the letters A-Z'";
		}
		else {
			$_POST['username'];
			}
	}
}

function password() {

	$pass1 = $_GET['password1'];    // Get password1 submitted from form
	$pass2 = $_GET['password2'];	 // Get password2 submitted from form

	echo "<tr>\n";
   echo "<td>Password:</p></td>\n";
   echo "<td><input type='password' name='password1'></td>\n";
  	echo "</tr>\n";
  	echo "<tr>\n";
   echo "<td>Re-Type Password:</p></td>\n";
   echo "<td><input type='password' name='password2'>\n";

   echo "</td>\n</tr>\n";
}

function firstname() {

	$fname = $_GET['firstname'];    // Get firstname submitted from form

	echo "<tr>\n";
   echo "<td>First Name:</p></td>\n";
   echo "<td><input type='text' name='firstname' value='" . $fname . "'>\n";

   echo "</td>\n</tr>\n";
}

function lastname() {

	$sname = $_GET['secondname'];  // Get lastname submitted from form

	echo "<tr>\n";
   echo "<td>Second Name:</p></td>\n";
   echo "<td><input type='text' name='secondname' value='" . $sname . "'>\n";

   echo "</td>\n</tr>\n";
}

function dateofbirth() {
	 echo "<tr>\n";
    echo "<td>Date of birth:\n</p></td>\n";
    echo "<td valign='top'>"; include("dob.php"); days(); echo " / "; month(); echo " / "; year();
    echo "</td>\n</tr>\n";
}

function email() {

	 $email = $_GET['email'];	// Get email address submitted from form

	 echo "<tr>\n";
    echo "<td>Current Email:</p></td>\n";
    echo "<td><input type='text' name='email' size='25' value='" . $email . "'>\n";

    echo "</td>\n</tr>\n";
}

function gender() {

	 echo "<tr>\n";
    echo "<td>Gender:</p></td>\n";
    echo "<td><select name='gender'>
    	<option value='Male'>Male</option>
    	<option value='Female'>Female</option
    	</select>";
    echo "</td>\n</tr>\n";
}

function question() {

	  $answer = $_GET['answer'];	// Get answer submitted from form

	  echo "<tr>\n";
     echo "<td>Secret Question:</p></td>\n";
     echo "<td><select name='question'>
    	<option value='Favourite Pets Name?'>Favourite Pets Name</option>
    	<option value='Name of School?'>Name of School</option>
    	<option value='Place of birth?'>Place of Birth</option>
    	<option value='Mothers Maiden Name?'>Mothers Maiden Name</option>
    	</select>
      </td>";
  	  echo "</tr>\n";
  	  echo "<tr>\n";
     echo "<td>Secret Answer:</p></td>\n";
     echo "<td><input type='text' name='answer' size='25' value='" . $answer . "'>\n";
     echo "</td>\n</tr>\n";
}

?>