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Simple Login Function

/ Published in: PHP
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  1. function login( $user, $pass )
  2. {
  3. 	if ( isset( $_POST['login'] ) )
  4. 	{
  5. 		$user = escape( $user );
  6. 		$pass = escape( $pass );
  7.  
  8. 		if ( empty( $user ) )
  9. 		{
  10. 			$error = "Username field is empty!";
  11. 		}
  12. 		else if ( empty( $pass ) )
  13. 		{
  14. 			$error = "Password field is empty!";
  15. 		}
  16. 		else
  17. 		{
  18. 			$pass = md5( $pass );
  19. 			$fetch = mysql_query( "SELECT * FROM `user` WHERE `user` = '".$user."' AND `pass` = '".$pass."' LIMIT 1" ) or die ( mysql_error() );
  20. 			if ( mysql_num_rows( $fetch ) != 1 )
  21. 			{
  22. 				$error = "Username or password is incorrect!";
  23. 			}
  24. 			else
  25. 			{
  26. 				$got = mysql_fetch_array( $fetch );
  27. 				session_start();
  28. 				$_SESSION['id'] = $got['id'];
  29. 				header( "Location: home.php" );
  30. 			}
  31. 		}
  32. 	}
  33. }

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