function excerpt

function wp_trim_excerpt($text) { // Fakes an excerpt if needed	global $post;	if ( '' == $text ) {		$text = get_the_content('');		$text = apply_filters('the_content', $text);		$text = str_replace(']]>', ']]>', $text);		$text = strip_tags($text);		$excerpt_length = 55;		$words = explode(' ', $text, $excerpt_length + 1);		if (count($words) > $excerpt_length) {			array_pop($words);			array_push($words, '[...]');			$text = implode(' ', $words);		}	}	return $text;}