PHP: Get Twitter Timeline

*.php

/**
 * Simple Twitter status getter.
 * @param  string  $handle User Twitter handle
 * @param  integer $count  Desired number of tweets
 * @return array           Indexed array of tweets
 */
function dev_get_twitter_timeline($handle, $count = 3) {
	// WP template tag
	$save = get_stylesheet_directory() . '/assets/twitter.json';
	$time = time();
	$age = $time - @filemtime($save); 
	$cache_life = 5 * 60; // 5 minutes
	
	if( !file_exists($save) or $age >= $cache_life ) 
	{
		$get = 'http://api.twitter.com/1/statuses/user_timeline.json?screen_name=' . $handle . '&count=' . $count;
		$json = file_get_contents($get);
		file_put_contents($save, $json);
	}
	
	$string = file_get_contents($save);
	if($tweets = json_decode($string))
	{
		$statuses = array();
		foreach( $tweets as $tweet )
		{
			$statuses[] = linkify_twitter_status($tweet->text);
		}
		return $statuses;
	}
	else {
		return false;
	}
}