xml to array

davemoody · August 13, 2011

I am trying really REALLY hard to load an element from an xml file into an array. It is for the purpose of testing username and password for a login system. I need to locate the correct username, and then compare the password. My idea is to find the username and then load all that entire element with all childs into an array (all elements needed for prefilling shopping cart form later) which can then be saved to the session. Obviously the username and password need to be tested together as well for login to succeed. The code below shows an experiment just to load a tag and print it out, can't even get that to work...

Here's the full code of my login file:

<?php

$error = false;

if(isset($_POST['login'])) {

$username = preg_replace('/[^A-Za-z0-9]/','', $_POST['username']);

$password = md5($_POST['password']);

$doc = new DomDocument();

$doc->load( "users/users.xml" );

$usernames = $doc->getElementsByTagName( "username" );

foreach( $Usernames as $username )

{

$usernames = $username->getElementsByTagName( "username" );

$username = $usernames->item(0)->nodeValue;

echo "<b>" . $username . "<p />";

}

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<head>

<title>[Login Page] Transform Your Life - Transform Your World...</title>

</head>

<body>

<div>

<?php

include 'header.php';

?>

<li class="login2">Login:</li>

<li class="login2">Username <input type="text" name="username" size="25" /></li>

<li class="login2">Password <input type="password" name="password" size="25" /></li>

<li class="login2"><?php

if($error) {

echo '<p />Invalid Username and/or Password';

}

?>

<li class="login2"><a href="registration.php">Register</a></li>

</ul>

</form>

</div>

</body>

</html>

And here's the xml file:

<?xml version="1.0"?>

<Users>

<User>

<email>[email protected]</email>

<country>Thailand</country>

</User>

<User>

<email>[email protected]</email>

<country>Thailand</country>

</User>

</Users>

I've tried about a dozen different pieces of code found on the net, tried writing my own, all fail miserably.

What am I doing wrong?

jcbones · August 13, 2011

Try this:

<?php
      $doc = new DomDocument();
  $doc->validateOnParse = true;
      if(!$doc->load("users/users.xml")) {
	exit('Error occured!');
}

    $userList = $doc->getElementsByTagName('username');
$userCnt  = $userList->length;

for ($idx = 0; $idx < $userCnt; $idx++) {
    echo 'Username: ' .  $userList->item($idx)->nodeValue . "<br />";
}
?>

davemoody · August 14, 2011

Thanks.

Dave.

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xml to array

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