Come aggiornare la password dimenticata inviando un'e-mail in mysql php

cambia password.php

1. Sostituisci AND con , tra password &repassword .
2. Rimuovi ' nel nome della colonna email .
3. Cambia 'email'=$result1 a email='$email'

Cambia

$query = mysql_query("update registered SET password = '$password' AND repassword ='$repassword' WHERE 'email'=$result1");

a

$query = mysql_query("update registered SET password = '$password', repassword ='$repassword' WHERE email='$email'");

Per le esigenze dell'utente.

Dal momento che stai passando email a changepassword.php .Devi creare un hidden field per email , che verrà inviato a forgottenpassword.php pagina.

Controlla la connessione al database. E controlla se tutti i nomi delle colonne sono scritti correttamente.

Usa questo codice così com'è.

CambiaPassword.php

<form method="POST" action="forgotten.php" id="myform">
    <input type='hidden' value="<?php echo $_GET['email'];?>" name='email'>
    <div class="form-group">
    <label for="psw"><span class="glyphicon"></span> Password</label>
    <input id="password" class="form-control" type="password" name="password" placeholder="Enter password here" required/>
    </div>
    <div class="form-group">
    <label for="rpsw"><span class="glyphicon"></span>Confirm Password</label>
    <input id="repassword" class="form-control" type="password" name="repassword" placeholder="Retype password here" required/>
    </div>
    <button type="submit"  class="btn btn-success btn-block"><span class="glyphicon glyphicon-off"></span> Create New Password</button>
</form>

forgotten.php

<?
$connection = mysql_connect("localhost", "root", "") or die(mysql_error());
$db = mysql_select_db("db_name", $connection);

$email=$_POST['email'];
$password=$_POST['password'];
$repassword=$_POST['repassword']; 

$sql1="SELECT * FROM registered WHERE email ='$email'";
$result1=mysql_query($sql1);

$query = mysql_query("update registered SET password = '$password', repassword ='$repassword' WHERE email='$email'");

if($query)
{
    $to = $email;
    $from = '[email protected]';
    $subject="Password Changed";
    $message.="your password has been changed successfully. ";      
    $success = mail($to, $subject, $message);
    echo "Password has been changed successfully";
}
?>