Обрезать заговолок (длина титле)

".[title]."

$delimiter = new String_Delimiter($title['title']); 
$title['title'])=$delimiter->limit (100, $title['title']);

class String_Delimiter {
 
    	/*
		* @param integer $limite : Максимальное число символов
		* @param string $string: Строка
		*
		* @return string : Строка обрезанная в пределах максимум 64 символа-целое слово
		* $delimiter = new String_Delimiter();
		* echo $delimiter->limit(55,"   Тест строки.    ");
	    * Exemplo de uso:
	    */
 
		public function limit($limite = null, $string = null){
 
 
			$string = $novaString = $this->_fixString($string);
			$numCaracteres = $this->_countCaracteres($string);
 
			if($numCaracteres > $limite){
				$novaString = $this->_fixString(substr($string, 0, $limite)); //Corta a string para caber no limite
				$novoNumPalavras = $this->_countWords($novaString);
 
				$pedacosStringOriginal = explode(" ", $string);
				$tamUltimaPalavraCortada = strlen(end(explode(" ", $novaString)));
				$tamUltimaPalavraOriginal = strlen($pedacosStringOriginal[$novoNumPalavras-1]);
 
				if($tamUltimaPalavraCortada < $tamUltimaPalavraOriginal){
					// Elimina a ъltima palavra se ela estiver imcompleta
					$novaString = explode(" ", $novaString);
					array_pop($novaString);
					$novaString = implode(" ",$novaString);
				}
			}//end if
 
			return $novaString;
 
		}
 
		private function _countWords($string){
			return count(explode(" ", $string));
		}
 
		private function _countCaracteres($string){
			return strlen($string);
		}
 
		private function _fixString($string){
			return trim(preg_replace('/ +/', " ", $string)); // Elimina os espaзos duplos "em branco" e espaзos no inнcio e fim da string
		}
    }//end class

if(strlen($content['title'])> 100){ 
$content['title'] = substr($content['title'], 0, 100) . '...';
}