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Fetch the number of followers from twitter api

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  1. /**
  2.  * Fetch the number of followers from twitter api
  3.  *
  4.  * @author Peter Ivanov 
  5.  * @copyright    http://www.ooyes.net
  6.  * @version    0.2
  7.  * @link http://www.ooyes.net
  8.  * @param string $username
  9.  * @return string
  10.  */
  11. function twitter_followers_counter($username) {
  12.  
  13. 	$cache_file = CACHEDIR . 'twitter_followers_counter_' . md5 ( $username );
  14.  
  15. 	if (is_file ( $cache_file ) == false) {
  16. 		$cache_file_time = strtotime ( '1984-01-11 07:15' );
  17. 	} else {
  18. 		$cache_file_time = filemtime ( $cache_file );
  19. 	} 
  20.  
  21. 	$now = strtotime ( date ( 'Y-m-d H:i:s' ) );
  22. 	$api_call = $cache_file_time;
  23. 	$difference = $now - $api_call;
  24. 	$api_time_seconds = 1800;
  25.  
  26. 	if ($difference >= $api_time_seconds) {
  27. 		$api_page = 'http://twitter.com/users/show/' . $username;
  28. 		$xml = file_get_contents ( $api_page );
  29.  
  30. 		$profile = new SimpleXMLElement ( $xml );
  31. 		$count = $profile->followers_count;
  32. 		if (is_file ( $cache_file ) == true) {
  33. 			unlink ( $cache_file );
  34. 		}
  35. 		touch ( $cache_file );
  36. 		file_put_contents ( $cache_file, strval ( $count ) );
  37. 		return strval ( $count );
  38. 	} else {
  39. 		$count = file_get_contents ( $cache_file );
  40. 		return strval ( $count );
  41. 	}
  42. }

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