Example: 1


register.php

	<?php

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


	?>

	<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


Login.php


	<?php

	session_start();

	$username = $_POST['username'];
	$password = $_POST['password'];

	if($username && $password)
	{

	$connect = mysql_connect("localhost","root","admin") or die("Couldn't connect!");
	mysql_select_db("phplogin") or die("Couldn't find db");

	$query= mysql_query("SELECT * From users WHERE username='$username'");
	$numrows = mysql_num_rows($query);

	if ($numrows!=0)
	{
	//code to login
	 while ($row = mysql_fetch_assoc($query))
	 	{
			$dbusername = $row['username'];
			$dbpassword = $row['password'];
		}
		if($username==$dbusername&&$password==$dbpassword)
		{
			echo "You're in!";
		}
		else
		 echo "Incorrect password!";
		
	}
	else
	die("That user does't exist!");

	
	}
	else
   	die("Please enter  username and Password!");

	?>
	



Example 3


register.php

	<?php

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

	$submit = $_POST['submit'];


	//form data

	$fullname = $_POST['fullname'];
	$username = $_POST['username '];
	$password = $_POST['password '];
	$repeatpassword = $_POST['repeatpassword '];
	
	if($submit)

	{
	
	echo "$username/$password/$repeatpassword/$fullname";


	}

	?>

	<html>

	<form action='register.php' >
	
		<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 = $_POST['fullname'];
	$username = $_POST['username '];
	$password = $_POST['password '];
	$repeatpassword = $_POST['repeatpassword '];
	
	if($submit)

	{
	
	echo "$username/$password/$repeatpassword/$fullname";


	}

	?>

	<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 5


register.php

	<?php

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

	$submit = $_POST['submit'];


	//form data

	$fullname = $_POST['fullname'];
	$username = $_POST['username '];
	$password = $_POST['password '];
	$repeatpassword = $_POST['repeatpassword '];
	
	if($submit)

	{
	
	echo md5("alex");


	}

	?>

	<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 6


register.php

	<?php

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

	$submit = $_POST['submit'];


	//form data

	$fullname = $_POST['fullname'];
	$username = $_POST['username '];
	$password = $_POST['password '];
	$repeatpassword = $_POST['repeatpassword '];
	
	echo md5("alex");
	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 7


register.php

	<?php

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

	$submit = $_POST['submit'];


	//form data

	$fullname = $_POST['fullname'];
	$username = $_POST['username '];
	$password = md5($_POST['password ']);
	$repeatpassword = md5($_POST['repeatpassword ']);
	
	
	if($submit)

	{
	
	
	echo "$password <br> $repeatpassword ";

	}

	?>

	<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 8


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 ']));
	
	
	if($submit)

	{
	
	
	echo "$password <br> $repeatpassword ";

	}

	?>

	<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 9


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 ']));
	
	
	if($submit)

	{
	
	
	echo $username. "<br>".$fullname;

	}

	?>

	<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>
	
	