Need help on scraping php - php

Question

I have this code to scrape data from a website.
<?php
$html = file_get_contents('http://www.alanum.com/search.aspx?kw=GTX%20980'); //get the html returned from the following url
$pk_doc = new DOMDocument();
libxml_use_internal_errors(TRUE); //disable libxml errors
if(!empty($html)){ //if any html is actually returned
$pokemon_doc->loadHTML($html);
libxml_clear_errors(); //remove errors for yucky html
$pk_xpath = new DOMXPath($pk_doc);
//get all the h2's with an id
$pk_row = $pk_xpath->query('//h4[#name="list-productname"]');
$pk_row2 = $pk_xpath->query('//div[#class="price"]');
if($pk_row->length > 0){
foreach($pk_row as $row){
echo $row->nodeValue . "<br/>";
}
}
if($pk_row2->length > 0){
foreach($pk_row2 as $row2){
echo $row2->nodeValue . "<br/>";
}
}
}
?>
I am new to web scraping so how do I skip a tag for instance if
'//div[#class]'
This is getting all the divs that have class but I want to skip some of the divs that I do not want. How do I do that?
One more question is how do I combine $pk_row and $pk_row2 because $pk_row has name and $pk_row2 has prices.
I want one single array to have those values inside.
name=> and price=>

Answer 1

Unless you specify which elements you want to skip i can only refer you to http://www.w3schools.com/xsl/xpath_syntax.asp where you may find what you need.
Edit: '//div[not(#class="name-enlarged")]'
For combining two arrays so one is used for keys and other one for values you can use array_combine($arrKeys, $arrValues) (http://php.net/manual/en/function.array-combine.php)