how to insert form query into $html = file_get_contents_curl(); - php

Question

Hi i'm trying to use a form submission data in file_get_contents_curl()
i want to make a form where you submit an url and get to look up meta tags on that website
here's my code:
<form method="post" action="index.php">
<input type="text" name="test">
<input type="submit">
</form></center>
<?php
function file_get_contents_curl($url)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
$html = file_get_contents_curl($_POST["test"];); // the submitted url should go here
$doc = new DOMDocument();
#$doc->loadHTML($html);
$nodes = $doc->getElementsByTagName('title');
$title = $nodes->item(0)->nodeValue;
$metas = $doc->getElementsByTagName('meta');
for ($i = 0; $i < $metas->length; $i++)
{
$meta = $metas->item($i);
if($meta->getAttribute('name') == 'title')
$description = $meta->getAttribute('content');
if($meta->getAttribute('name') == 'description')
$description = $meta->getAttribute('content');
if($meta->getAttribute('name') == 'keywords')
$keywords = $meta->getAttribute('content');
}
echo '<br/><br/>';
echo "Title: $title". '<br/><br/>';
echo "Description: $description". '<br/><br/>';
echo "Keywords: $keywords". '<br/><br/>';
?>
when i manually enter address everything works great eg.
$html = file_get_contents_curl('skynews.com');
but this doesn't work at all:
$html = file_get_contents_curl($_POST["test"];);
How do i call on this variable?

Answer 1

OK, i finally figured it out!
i had to add a variable first
<?php $address = $_POST["test"];?>
and
$html = file_get_contents_curl($address);
works great