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13 Jul 2014

Send forgotten password to mail in login form using php and mysql

                       Already you know about validate login form with remember me and signout concepts using php. You want to know Login with remember me and signout using php and mysql
                       Now see about how to send forgotten password to mail using php?. First your table contains users mail id. Just imagine this is your table:


Mysql login table

Login form using php and mysql:

         
          Consider the following example:
login.php:

<html>
<head>
<style type="text/css">
 input{
 border:1px solid olive;
 border-radius:5px;
 }
 h1{
  color:darkgreen;
  font-size:22px;
  text-align:center;
 }
span{
  color:lightgreen;

 }
</style>
</head>
<body>
<h1>Login<h1>
<form action='#' method='post'>
<table cellspacing='5' align='center'>
<tr><td>User name:</td><td><input type='text' name='name'/></td></tr>
<tr><td>Password:</td><td><input type='password' name='pwd'/></td></tr>
<tr><td></td><td><input type='checkbox' name='remember' /> <span>Remember me</span></td></tr>
<tr><td></td><td> <span><a href="forgot.php">Forgot password</a></span></td></tr>
<tr><td></td><td><input type='submit' name='submit' value='Submit'/></td></tr>
</table>

</form>
<?php
session_start();
//your values are stored in cookies, then you can login without validate
if(isset($_COOKIE['name']) && isset($_COOKIE['pwd']))
{
    header('location:welcome.php');
}
// login validation in php
if(isset($_POST['submit']))
{
 mysql_connect('localhost','root','') or die(mysql_error());
 mysql_select_db('new')  or die(mysql_error());
 $name=$_POST['name'];
 $pwd=$_POST['pwd'];
 if($name!=''&&$pwd!='')
 {
   $query=mysql_query("select * from login where name='".$name."' and password='".$pwd."' ")  or die(mysql_error());
   $res=mysql_fetch_row($query);
   if($res)
   {
    if(isset($_POST['remember']))
{
  setcookie('name',$name, time() + (60*60*24*1));
  setcookie('pwd',$pwd, time() + (60*60*24*1));
}
    $_SESSION['name']=$name;
    header('location:welcome.php');
   }
   else
   {
    echo'You entered username or password is incorrect';
   }
 }
 else
 {
  echo'Enter both username and password';
 }
}
?>
</body>
</html>


             While you run the above file, you'll get output like this:


Login form using php

Fogot password in php:


                 The php script for send forgotten password to mail is:
forgot.php:


<html>
<head>
<style type="text/css">
 input{
 border:1px solid olive;
 border-radius:5px;
 }
 h1{
  color:darkgreen;
  font-size:22px;
  text-align:center;
 }

</style>
</head>
<body>
<h1>Forgot Password<h1>
<form action='#' method='post'>
<table cellspacing='5' align='center'>
<tr><td>Email id:</td><td><input type='text' name='mail'/></td></tr>
<tr><td></td><td><input type='submit' name='submit' value='Submit'/></td></tr>
</table>
</form>
<?php
if(isset($_POST['submit']))

 mysql_connect('localhost','root','') or die(mysql_error());
 mysql_select_db('new') or die(mysql_error());
 $mail=$_POST['mail'];
 $q=mysql_query("select * from login where mail='".$mail."' ") or die(mysql_error());
 $p=mysql_affected_rows();
 if($p!=0) 
 {
  $res=mysql_fetch_array($q);
  $to=$res['mail'];
  $subject='Remind password';
  $message='Your password : '.$res['password']; 
  $headers='From:guruparthiban19@gmail.com';
  $m=mail($to,$subject,$message,$headers);
  if($m)
  {
    echo'Check your inbox in mail';
  }
  else
  {
   echo'mail is not send';
  }
 }
 else
 {
  echo'You entered mail id is not present';
 }
}
?>
</body>
</html>

         Where,
                 mysql_query("select * from login where mail='".$mail."' "); is select the values from mysql table.
                 mysql_affected_rows() return the number of rows selected. If it returns 0, then there is no values is present in mysql table.
                 mysql_fetch_array() return the results an associated array. You want to know mysql_fetch_array().
                  Mail() is used to send password to mail. Yow want to know mail() in php.

              When you click the 'forgot password' in login page, you'll get output like this:

Forgot password in php

                You entered your email id in text box and click submit button. Now you can get message 'Check your inbox in mail' if the mail is send. Otherwise, you'll get 'Mail is not send' message. If you enetered mail id which is not present is mysql table, then you will get 'You entered mail is is not present' message.