Weird error using PHP Simple HTML DOM parser

Question

I am using this library (PHP Simple HTML DOM parser) to parse a link, here\'s the code:

function getSemanticRelevantKeywords($keyword){
    $results = array(         


        

Answer 1

Simplest solution to this problem

if ($html = file_get_html("http://www.semager.de/api/keyword.php?q=". urlencode($keyword) ."&lang=de&out=html&count=2&threshold=") {

} else {
    // do something else because couldn't find html
}