Get DIV content from external Website

Question

I want to get a DIV from an external website with pure PHP.

External website: http://www.isitdownrightnow.com/youtube.com.html

Div text I want from isitdownr

Answer 1

$contents = file_get_contents($url); 

  $title = explode('
',$contents); 
  $title = explode("
",$title[1]); 

$fp = fopen ("s.php", "w+"); 
fwrite ($fp, "$title[0]"); 
fclose ($fp); 
require_once('s.php');