WordPress: Twitter time ago

gistfile1.php

<?php

	// Twitter date format example: "created_at": "Mon Jun 27 19:32:19 +0000 2011"
	function from_apachedate( $date ) {
		list( $D, $M, $d, $h, $m, $s, $y ) = sscanf( $date, "%s %s %2d %2d:%2d:%2d +0000 %4d" );
		return strtotime( "$d $M $y $h:$m:$s" );
	}
	
	// human_time_diff is a WordPress function
	echo human_time_diff( from_apachedate( $item->created_at ), current_time( 'timestamp' ) );

?>