PHP - Moved: Difference B/t Verification And Validation In Software Engineering

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I am about to build a site for a liqueur brand and have to create a simple screen that asks if the user is of the right age. This does not have to be linked to a credit card, just a simple yes or no screen. I am thinking this would probably be done via a cookie, but I am not sure.

Somehow it would have to work where it gets checked each time anyone goes to the site, regardless of the entry point. So for example it would get checked on mydomain.com, but also on mydomain.com/about, or mydomain.com/somethingelse. The yes or no screen would of course only show the first time the user came to site. Via what technology would I do this? Cookie? Can cookies have an expiration date?

I would love some comments or direction on how this is done best.

Thanks a lot!

Hi -

I'm fairly new to php and am working a lot off of old page created before me and modifying them.  I have to do an age verification page for an alcoholic beverage client (has to be 21+) and I'm having problems with the script actually redirecting correctly based on the birthdate entered.

I have a html page with a form that calls this php file.

Here is the php script I'm trying to get working:

<?php


$age = $_POST['year'];
if($age > 1990) {   
header('Location: http://www.underagelink.com');
 
exit;
}
else {   
header('Location: http://legalagelink.com');   
exit;
}



?>

Thanks!

Hi guys.   I'm using php to randomly generate a simple math verification question.  But, I'm having a hard time validating the input.  Can someone please tell me what I'm doing wrong?

Thank you
 


} else if(trim($verify) != $_SESSION['UserData']['Math'][0]+$_SESSION['UserData']['Math'][1]){
     $error = '<div class="error_message">Attention! The verification number you entered is incorrect.</div>';
}



<?php
echo "<span class='label'><span class='required'>*</span>What is ".$_SESSION['UserData']['Math'][0]." +    ".$_SESSION['UserData']['Math'][1]."?</span> ";
?>

<input name="verify" type="text" id="verify" size="3" value="<?=$verify;?>" /><br /><br />

   

Okay, so I'm pretty new to jQuery but I am pretty experienced with PHP.  I am about to begin coding a script written mostly in jQuery.  It will use AJAX to verify that an article tag a user provides exists in a database.  When a user goes to write an article on my website, my form will ask them to add keyword tags which will be used in searches.  Basically only admins will be allowed to create new tags, so this is why I check the tags first.  And also to prevent duplicates and similar tag entries in the database.   The form will have a single input that the user will use to search for a tag.  Once the user hits the enter key, it will search the database for tags that already exist.  Once the ajax is complete, a list of related tags will pop up and the user will be able to select their desired tag by either clicking the tag link in the list or by pressing enter.   This is a very crude demonstration of what my idea is.  

So, If I want to store something like:

Code: [Select]
Hello<br />
<b>This is a sentence </b>
I would need to use
htmlentities()

So I could output the HTML after it's stored in the database safely?

I am sending a email verification that a person registers on my site. I have two problems. Here is the email script:

Code: [Select]
        $message = "Thank you for registering.";
        mail($email, 'Registration Confirmation', $message, 'From: noreply@website.com');

Problem 1: I have tried this on two different identical pages, index.php and register.php. It only works in the index page.

Problem 2: When it does work on the index page, the From header does not show what is in the mail() function, it shows that it is from my host. What's up with that?

Given the choice, I need to get problem 2 solved way more than problem 1. Thank you.

Basically I am writing my own voting system but I have a few problems and I would like to address them all in one post rather than three.

First:
The first thing I need help with is using CURL to check if a user actually voted at the remote top list website.

Two:
I need maybe a source script of a 10 digit hash generator that will display the hash generated and will insert it into the database

This is currently what my hash generator looks like but I need someone to help me change it so that it will echo the actual hash generated and inserts it into the database,


<?php
function gen_md5_password($len = 6)
{
    return substr(md5(rand().rand()), 0, $len);
}
?>

Three:
I need some sort of way to tell the database that if they hash is not used within 24 hours, it will just dump or delete.

How to remove the verification code here,i mean the captcha...

<?php

session_start();

if ($_POST['Submit'] == 'Send')

{

if (strcmp(md5($_POST['user_code']),$_SESSION['ckey']))

{ 

header("Location: sendmail.php?msg=ERROR: Invalid Verification Code");

exit();

  } 



$to = $_POST['toemail'];

$subject = $_POST['subject'];

$message = $_POST['message'];

$fromemail = $_POST['fromemail'];

$fromname = $_POST['fromname'];

$lt= '<';

$gt= '>';

$sp= ' ';

$from= 'From:';

$headers = $from.$fromname.$sp.$lt.$fromemail.$gt;

mail($to,$subject,$message,$headers);

header("Location: sendmail.php?msg= Mail Sent!");

exit();

}

?>

<html>

<head>

<title>Email </title>

</head>

<body bgcolor="#ffffcc">

<h2 align="center">

Email
</h2>

<h3 align="center">

Please do not misuse this script.
</h3><br>

<p style="margin-left:15px">

<form action="sendmail.php" method="POST">

<b>From Name:</b><br>

<input type="text" name="fromname" size="50"><br>

<br><b>From Email:</b><br>

<input type="text" name="fromemail" size="50"><br>

<br><b>To Email:</b><br>

<input type="text" name="toemail" size="50"><br>

<br><b>Subject:</b><br>

<input type="text" name="subject" size="74"><br>

<br><b>Your Message:</b><br>

<textarea name="message" rows="5" cols="50">

</textarea><br>

<br><b>Verification Code:</b><br>

<input name="user_code" type="text" size="25">  

<img src="pngimg.php" align="middle"><br><br>

<input type="submit" name="Submit" value="Send">

<input type="reset" value="Reset">

</form>

</p>

<?php if (isset($_GET['msg'])) { echo "<font color=\"red\"><h3 align=\"center\"> $_GET[msg] </h3></font>"; } ?>

</body>

</html>

I have the following code:

<?php
include "connect.php";
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">  
<head>  
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
<title>Welcome</title> 
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/jquery.ketchup.js"></script>
<script type="text/javascript" src="js/jquery.ketchup.messages.js"></script>
<script type="text/javascript" src="js/jquery.ketchup.validations.basic.js"></script>
<script language="javascript" type="text/javascript" src="niceforms.js"></script>
<link rel="stylesheet" type="text/css" media="all" href="niceforms-default.css" />
<link rel="stylesheet" type="text/css" media="screen" href="css/jquery.ketchup.css" />

</head>
<body>
<div id="container">
<?php
if(!empty($_SESSION['connection_status']) && !empty($_SESSION['username']))
  {
  ?>
  <form action="logout.php" class="niceform">
  <fieldset>
  <legend>Member Area</legend>
  <div id= "container">
  <p>Thanks for logging in <b><?=$_SESSION['username']?></b> !</p>
  <p><input type="submit" name="submit" id="submit" value="Logout" /></p>
  </div>
  </fieldset>
  </form>
  <?php
  }
  elseif(!empty($_POST['username']) && !empty($_POST['password']))
    {
    $username = mysql_real_escape_string($_POST['username']);
    $password = md5(mysql_real_escape_string($_POST['password']));
    $validation = mysql_query("SELECT * FROM users WHERE username = '".$username."' AND password = '".$password."'");

    if(mysql_num_rows($validation) == 1)
        {
        $row = mysql_fetch_array($validation);
        $email = $row ['email'];
        
        $_SESSION['username'] = $username;
        $_SESSION['email'] = $email;
        $_SESSION['connection_status'] = 1;
        
        echo "<h1>Success</h1>";
        echo "<p>Members area is loading.</p>";
        echo "<meta http-equiv='refresh' content='=4;index.php' />";
        }
          else
            {
            echo "<h1>Error</h1>";
            echo "<p> There was an error, please try again  <a href=\"index.php\">here </a> .</p>";
            }
     }
    else
     {
        ?>
        <form method="post" action="index.php" name="loginform" id="loginform" class="niceform">  
        <fieldset>
        <legend>Member Login</legend>
        <p>Thanks for visiting. Please login below or click <a href="register.php">here</a> to register.</p>  
        <dl>
        <dt><label for="username">Username:</label><br /></dt>
        <dd><input type="text" name="username" id="username" class= "validate(rangelength(4,30))"/></dd>
        </dl>
        <dl>  
        <dt><label for="password">Password:</label><br /></dt>
        <dd><input type="password" name="password" id="password" class= "validate(rangelength(4,30))" /></dd>
        </dl>
        <p><a href="forgot_password.php">Forgot password?</a></p>
        </fieldset>
        <fieldset class="action">
        <input type="submit" name="submit" id="submit" value="Sign In" />  
        </fieldset>  
        </form>  
        
        <?php
       }
       ?>
       
       </div>
       <script type = "text/javascript">
       $(document).ready(function() {
  $('#loginform').ketchup();
});
</script>
       </boby>
       </html>
       
       

            

When I try to login with true username/password, I always get: There was an error, please try again here  .