How to Extract Twitter Username from Url

The following PHP code snippet extracts the twitter username from twitter URL using regular expressions. For example, if you pass the following url, it will output ‘Stacktips‘.

twitter.com/Stacktips

Snippet:

if ( !function_exists( 'get_twitter_id_from_url' ) ){
	function get_twitter_id_from_url($url)
	{	
  	  if (preg_match("/^https?:\/\/(www\.)?twitter\.com\/(#!\/)?(?<name>[^\/]+)(\/\w+)*$/", $url, $regs)) {
  	    return $regs['name'];
  	  }
  	  return false;	  
  }
}