April 22, 2009

Display the total number of your Twitter followers on your WordPress blog

twitterI never thought about completely implementing a Twitter follower counter within your WordPress themes’ files, but Jean-Baptiste Jung. from WPRecipes.com has come up with an excellent way of achieving such a task.

Okay, so first off, copy and paste the following code, and add it to your current themes function.php file:

function string_getInsertedString($long_string,$short_string,$is_html=false){
  if($short_string>=strlen($long_string))return false;
  $insertion_length=strlen($long_string)-strlen($short_string);
  for($i=0;$i<strlen($short_string);++$i){
    if($long_string[$i]!=$short_string[$i])break;
  }
  $inserted_string=substr($long_string,$i,$insertion_length);
  if($is_html && $inserted_string[$insertion_length-1]=='<‘){
    $inserted_string='<‘.substr($inserted_string,0,$insertion_length-1);
  }
  return $inserted_string;
}

function DOMElement_getOuterHTML($document,$element){
  $html=$document->saveHTML();
  $element->parentNode->removeChild($element);
  $html2=$document->saveHTML();
  return string_getInsertedString($html,$html2,true);
}

function getFollowers($username){
  $x = file_get_contents(“http://twitter.com/”.$username);
  $doc = new DomDocument;
  @$doc->loadHTML($x);
  $ele = $doc->getElementById(‘follower_count’);
  $innerHTML=preg_replace(‘/^<[^>]*>(.*)<[^>]*>$/’,”\\1″,DOMElement_getOuterHTML($doc,$ele));
  return $innerHTML;

I think you know what’s coming next. Now, copy and paste the following WordPress code anywhere within your template and replace “kdogg290”, with your Twitter username.

<?php echo getFollowers("kdogg290")." followers"; ?>

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