Planet CakePHP

Hi,

In my cakePHP controller there is an action named saveReport() where $attribute_ids is an array holding all the selected attributes obtained from the Ajax post..

function saveReport()
{
    echo $this->params['form']['formid'];
    echo $this->params['form']['reportTitle'];
    echo $this->params['form']['attr'];
    $attribute_ids=$this->params['form']['attr'];
    $comma_separated = explode(",", $attribute_ids);

    for($i=0;$i<15;$i++)
    {
        echo $comma_separated[$i]; 
        echo "     ";

        $this->data['Report']['title']=$this->params['form']['reportTitle'];
        $this->data['Report']['form_id']=$this->params['form']['formid'];
        $this->data['Report']['attr_id']=$comma_separated[$i]; 
        $this->Report->saveAll($this->data);
    }
}

how to identify $comma_separated 's length where $comma_separated is an array so that i can use that in the for loop now i have used as 15 by default...