Fetching data from webpage based on elements ID/Class

[AlexM7315]

Hi, I'm searching for a way or an existing API/function that does the following:

I want to give this function a URL and an ID/Class,
the function will return an array of the HTML/Text content of
the HTML elements that possess these attributes.

Where do I even start with this thing?

[is_numeric]

look at cURL in PHP

example...

$url = "www.mysite.com"; // change to suit
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$html = curl_exec($ch);
curl_close($ch);
echo $html; // $html contains the page, in HTML, which you have scraped 

You will need to process the $html variable to fish out what you want and output it to the page.