Map.php

<?php

/**
 * Created by PhpStorm.
 * User: igor
 * Date: 01/05/17
 * Time: 11:19
 */
//echo htmlentities('<a href="http://google.com">google<a>');

$dados = ['igor', '<a href="http://google.com">google<a>', '30', 30, 2.5, '2.5'];

interface Filter
{
    public function filter($var);


}

class StringFilter implements Filter
{

    public function canFilter($var){
        return is_string($var);
    }

    public function filter($var)
    {
            return (string)$var;
    }
}

class HtmlStringFilter implements Filter
{
    public function canFilter($var){
        return is_string($var);
    }

    public function filter($var)
    {
        return htmlentities($var);
    }
}

class IntFilter implements Filter
{

    public function canFilter($var){
        return is_numeric($var) && is_int($var);
    }

    public function filter($var)
    {
        return (int)$var;
    }
}

class FloatFilter implements Filter
{

    public function canFilter($var){
        return is_numeric($var) && is_float($var);
    }

    public function filter($var)
    {
        return (float)$var;
    }

}

class Data
{
    private $filters = [];
    private $data = [];

    public function addFilter(Filter $filter)
    {
        $this->filters[] = $filter;
    }

    /**
     * @return array
     */
    public function getFilters()
    {
        return $this->filters;
    }


    /**
     * @return array
     */
    public function getData()
    {
        return $this->data;
    }

    /**
     * @param array $data
     * @return Data
     */
    public function setData($data)
    {
        $this->data = $data;

        return $this;
    }

    public function proccessFilter()
    {
        $dados = $this->getData();
        array_map(function ($filter) {
          $data = [];

            array_map(function ($var) use ($filter, $data) {

                if ($filter->canFilter($var)) {
                    $data[] = $filter->filter($var);
                    //$i++;
                }
                else{
                    $data[] = $var;
                    //$i++;
                }


            }, $this->data);
        }, $this->filters);


    }

}



$d = new Data();
$d->addFilter(new StringFilter());
$d->addFilter(new HtmlStringFilter());
$d->addFilter(new IntFilter());
$d->setData($dados);
var_dump($d->getData());