Extracting data from HTML using PHP and xPath

Question

I am trying to extract data from a webpage to insert it to a database. The data I\'m interested in is in the div\'s which have a class=\"company\". On one webpage there are

Answer 1

To check if a node exists, verify that the length property is equal to 1 in the returned query result:

if ($company_name->length == 1) {
   $object->company_name = trim($company_name->item(0)->nodeValue);
}