I am new to php & have tried out some code in php for sending mail to user by some simple means, i am facing some issues as code giving a error..!! please help me.
php
$to      =  ' '". $_SESSION['email'] ."' ';
        $subject = 'Your vault number';
        $message = 'Your vault number is '". $_SESSION['vault_no'] ."' ';
        $headers = 'From: innovation@miisky.com' . "\r\n" .
            'Reply-To: innovation@miisky.com' . "\r\n" .
            'X-Mailer: PHP/' . phpversion();
mail($to, $subject, $message, $headers);
 
     
    