Revise paste Get Website's Title and Image Meta data

<?php
$file = 'http://www.winknews.com/2015/08/06/4-rescued-from-overnight-house-fire-in-naples/';

// the following line prevents the browser from parsing this as HTML.
//header('Content-Type: text/plain');

// get the file contents, assuming the file to be readable (and exist)
$contents = file_get_contents($file);
$contents = str_replace("<", "\n<", $contents);

$title = getTitle($contents);
print "$title<br>";

$img = getIMG($contents);
print "$img<br>";

function getIMG($contents){
  $searchfor = 'og:image';
  // escape special characters in the query
  $pattern = preg_quote($searchfor, '/');
  // finalise the regular expression, matching the whole line
  $pattern = "/^.*$pattern.*\$/m";
  preg_match_all($pattern, $contents, $matches);
  $img = implode("\n", $matches[0]);
  $img = explode('"', $img);
  return "$img[3]";
}

function getTitle($contents){
  $searchfor = '<title>';
  // escape special characters in the query
  $pattern = preg_quote($searchfor, '/');
  // finalise the regular expression, matching the whole line
  $pattern = "/^.*$pattern.*\$/m";
  preg_match_all($pattern, $contents, $matches);
  $title = implode("\n", $matches[0]);
  $title = explode('>', $title);
  $title = explode('<', $title[1]);
  return "$title[0]";
}