Trim Text nicely

trimtext.php

/**
 * Trimtext
 * This function will trim text without cutting it in 
 * the middle of the word and adding … if longer
*/
	public function trimText($text, $length) {
		$words = explode(" ", $text);
		$text = "";
		foreach ($words as $word) {
			if (strlen($text." ".$word) <= $length) {
				$text .= " ".$word;
			}else{
				$text .= "…";
				break;
			}
		}
		return trim( $text );
	}