get title, meta tags info in php

This php script grab title tag and description, keywords meta of specified url with simple php curl function. And show all information in title tag , meta description and meta keywords tags.

<?php
/*
Online PHP Examples with Source Code
website: http://4evertutorials.blogspot.com/
*/

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("http://4evertutorials.blogspot.com/");

$doc = new DOMDocument();
@$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') == 'description')
        $description = $meta->getAttribute('content');
    if($meta->getAttribute('name') == 'keywords')
        $keywords = $meta->getAttribute('content');
}

echo "Title: $title". '

';
echo "Description: $description". '

';
echo "Keywords: $keywords";





?>