if(!function_exists('cut_string')){
	function cut_string($title, $max)
	{
	    if($title!=''){
	    if(is_array($title)) list($string, $match_to) = $title;
	    else { $string = $title; $match_to = $title{0}; }
	 
	    $match_start = stristr($string, $match_to);
	    $match_compute = strlen($string) - strlen($match_start);
	 
	    if (strlen($string) > $max)
	    {
	        if ($match_compute < ($max - strlen($match_to)))
	        {
	            $pre_string = substr($string, 0, $max);
	            $pos_end = strrpos($pre_string, " ");
	            if($pos_end === false) $string = $pre_string."...";
	            else $string = substr($pre_string, 0, $pos_end)."...";
	        }
	        else if ($match_compute > (strlen($string) - ($max - strlen($match_to))))
	        {
	            $pre_string = substr($string, (strlen($string) - ($max - strlen($match_to))));
	            $pos_start = strpos($pre_string, " ");
	            $string = "...".substr($pre_string, $pos_start);
	            if($pos_start === false) $string = "...".$pre_string;
	            else $string = "...".substr($pre_string, $pos_start);
	        }
	        else
	        {
	            $pre_string = substr($string, ($match_compute - round(($max / 3))), $max);
	            $pos_start = strpos($pre_string, " "); $pos_end = strrpos($pre_string, " ");
	            $string = "...".substr($pre_string, $pos_start, $pos_end)."...";
	            if($pos_start === false && $pos_end === false) $string = "...".$pre_string."...";
	            else $string = "...".substr($pre_string, $pos_start, $pos_end)."...";
	        }
	 
	        $match_start = stristr($string, $match_to);
	        $match_compute = strlen($string) - strlen($match_start);
	    }
	 
	    return $string;
	    }else{
	        return $string ='';
	    }
	}
}
		<?php echo cut_string($this->item->introtext,460); ?>