wolframalphasearch.php

function search_wolframalpha($query){
  $url2 = 'http://www.wolframalpha.com/input/?i='.urlencode($query);
	$ch = curl_init();

	curl_setopt($ch, CURLOPT_POST, 0);
	//curl_setopt($ch, CURLOPT_REFERER, $ref);
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
	curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
	curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	curl_setopt($ch, CURLOPT_MAXREDIRS, 2);
	//curl_setopt($ch, CURLOPT_USERAGENT, $this->userAgent);
	curl_setopt($ch, CURLOPT_HEADER, 0);
	curl_setopt($ch, CURLOPT_URL, $url2);

	$r = curl_exec($ch);		

  $doc = new DOMDocument();
  @$doc->loadHTML($r);
  
  $results = $doc->getElementById("results");
  
  foreach($results->getElementsByTagName("img") as $img){
    $src = $img->getAttribute("src");
    if($src != "/images/loadingdots.gif"){
      echo "<img src='".$src."'><br>";
    }
  }
}