Definir limite de caracteres para frases.

Utils.php

	public static function containString($string, $maxLength, $append = "...") {

		if(strlen($string) <= $maxLength) {
			return $string;
		}
        $lastPos = strrpos(substr($string, 0, $maxLength), " ");
        $lastPos or $lastPos = $maxLength;
        return substr($string, 0, $lastPos).$append;
	}