Example: 1


register.php

	<?php

       echo "<h1> Register</h1>";

	$submit = $_POST['submit'];


	//form data

	$fullname = strip_tags($_POST['fullname']);
	$username = strip_tags($_POST['username ']);
	$password = md5(strip_tags($_POST['password ']));
	$repeatpassword = md5(strip_tags($_POST['repeatpassword ']));
	$date = date("y-m-d");
	
	
	if($submit)

	{
	
	
	

	}

	?>

	<html>

	<form action='register.php' method='POST'>
	
		<table>
			<tr>
			<td>Your full name : </td>
			
			<td><input type='text' name='fullname'></td>
			</tr>
			
			<tr>
			<td>Choose a username :  </td>
			
			<td><input type='text' name='username'></td>
			</tr>

			<tr>
			<td>Choose a password :  </td>
			
			<td><input type='password' name='password'></td>
			</tr>

			<tr>
			<td>Repeat your password :  </td>
			
			<td><input type='password' name='repeatpassword'></td>
			</tr>
			<p>
			<input type='submit' name='submit' value='Register'>
			
			
		</table>
		
			
	</form>
	
	
	</html>
	
	

	
	

Example: 2


register.php

	<?php

       echo "<h1> Register</h1>";

	$submit = $_POST['submit'];


	//form data

	$fullname = strip_tags($_POST['fullname']);
	$username = strip_tags($_POST['username ']);
	$password = md5(strip_tags($_POST['password ']));
	$repeatpassword = md5(strip_tags($_POST['repeatpassword ']));
	$date = date("y-m-d");
	
	
	if($submit)

	{
	
	// check for existance
		
		if($fullname && $username && $password && $repeatpassword)

		{



		}

		else
		
		echo"Please fill in <b>all</b> fields!";
	
	

	}

	?>

	<html>
	<p>

	<form action='register.php' method='POST'>
	
		<table>
			<tr>
			<td>Your full name : </td>
			
			<td><input type='text' name='fullname'></td>
			</tr>
			
			<tr>
			<td>Choose a username :  </td>
			
			<td><input type='text' name='username'></td>
			</tr>

			<tr>
			<td>Choose a password :  </td>
			
			<td><input type='password' name='password'></td>
			</tr>

			<tr>
			<td>Repeat your password :  </td>
			
			<td><input type='password' name='repeatpassword'></td>
			</tr>
			<p>
			<input type='submit' name='submit' value='Register'>
			
			
		</table>
		
			
	</form>
	
	
	</html>
	



Example 3


register.php

	<?php

       echo "<h1> Register</h1>";

	$submit = $_POST['submit'];


	//form data

	$fullname = strip_tags($_POST['fullname']);
	$username = strip_tags($_POST['username ']);
	$password = md5(strip_tags($_POST['password ']));
	$repeatpassword = md5(strip_tags($_POST['repeatpassword ']));
	$date = date("y-m-d");
	
	
	if($submit)

	{
	
	// check for existance
		
		if($fullname && $username && $password && $repeatpassword)

		{



		}

		else
		
		echo"Please fill in <b>all</b> fields!";
	
	

	}

	?>

	<html>
	<p>

	<form action='register.php' method='POST'>
	
		<table>
			<tr>
			<td>Your full name : </td>
			
			<td><input type='text' name='fullname'></td>
			</tr>
			
			<tr>
			<td>Choose a username :  </td>
			
			<td><input type='text' name='username'></td>
			</tr>

			<tr>
			<td>Choose a password :  </td>
			
			<td><input type='password' name='password'></td>
			</tr>

			<tr>
			<td>Repeat your password :  </td>
			
			<td><input type='password' name='repeatpassword'></td>
			</tr>
			<p>
			<input type='submit' name='submit' value='Register'>
			
			
		</table>
		
			
	</form>
	
	
	</html>


Example 4


register.php

	<?php

       echo "<h1> Register</h1>";

	$submit = $_POST['submit'];


	//form data

	$fullname = strip_tags($_POST['fullname']);
	$username = strip_tags($_POST['username ']);
	$password = strip_tags($_POST['password ']);
	$repeatpassword =strip_tags($_POST['repeatpassword ']);
	$date = date("y-m-d");
	
	
	if($submit)

	{
	
	// check for existance
		
		if($fullname && $username && $password && $repeatpassword)

		{
			//encrypt password
			$password = md5($password);
			$repeatpassword = md5($repeatpassword);
			

		}

		else
		
		echo"Please fill in <b>all</b> fields!";
	
	

	}

	?>

	<html>
	<p>

	<form action='register.php' method='POST'>
	
		<table>
			<tr>
			<td>Your full name : </td>
			
			<td><input type='text' name='fullname'></td>
			</tr>
			
			<tr>
			<td>Choose a username :  </td>
			
			<td><input type='text' name='username'></td>
			</tr>

			<tr>
			<td>Choose a password :  </td>
			
			<td><input type='password' name='password'></td>
			</tr>

			<tr>
			<td>Repeat your password :  </td>
			
			<td><input type='password' name='repeatpassword'></td>
			</tr>
			<p>
			<input type='submit' name='submit' value='Register'>
			
			
		</table>
		
			
	</form>
	
	
	</html>



Example 5


register.php

	<?php

       echo "<h1> Register</h1>";

	$submit = $_POST['submit'];


	//form data

	$fullname = strip_tags($_POST['fullname']);
	$username = strip_tags($_POST['username ']);
	$password = strip_tags($_POST['password ']);
	$repeatpassword =strip_tags($_POST['repeatpassword ']);
	$date = date("y-m-d");
	
	
	if($submit)

	{
	
	// check for existance
		
		if($fullname && $username && $password && $repeatpassword)

		{
			//encrypt password
			$password = md5($password);
			$repeatpassword = md5($repeatpassword);
			
			if($password == $repeatpassword)
			{
			
			
				//chech char length of username and fullname
				if(strlen($username) >25 || strlen ($fullname)>25)
				{
				echo "Length of username or fullname is too long!";
				}
				else
					if(strlen($password) >25 || strlen ($password)<6)
					{
					echo "Password must be between 6 and 25 characters";

					}
					else
					
					{
						//register the user

					}

			

			}
			else
			
			echo "Your passwords do not match!";
			


		}

		else
		
		echo"Please fill in <b>all</b> fields!";
	
	

	}

	?>

	<html>
	<p>

	<form action='register.php' method='POST'>
	
		<table>
			<tr>
			<td>Your full name : </td>
			
			<td><input type='text' name='fullname'></td>
			</tr>
			
			<tr>
			<td>Choose a username :  </td>
			
			<td><input type='text' name='username'></td>
			</tr>

			<tr>
			<td>Choose a password :  </td>
			
			<td><input type='password' name='password'></td>
			</tr>

			<tr>
			<td>Repeat your password :  </td>
			
			<td><input type='password' name='repeatpassword'></td>
			</tr>
			<p>
			<input type='submit' name='submit' value='Register'>
			
			
		</table>
		
			
	</form>
	
	
	</html>



