src/AppBundle/Twig/HtmlExtension.php

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<?php

namespace AppBundle\Twig;

use Codeages\Biz\Framework\Context\Biz;

class HtmlExtension extends \Twig_Extension
{
    protected $scripts = array();

    protected $csses = array();

    protected $container;

    protected $biz;

    public function __construct($container, Biz $biz)
    {
        $this->container = $container;
        $this->biz = $biz;
    }

    public function getFunctions()
    {
        $options = array('is_safe' => array('html'));

        return array(
            new \Twig_SimpleFunction('select_options', array($this, 'selectOptions'), $options),
            new \Twig_SimpleFunction('radios', array($this, 'radios'), $options),
            new \Twig_SimpleFunction('cd_radios', array($this, 'cdRadios'), $options),
            new \Twig_SimpleFunction('checkboxs', array($this, 'checkboxs'), $options),
            new \Twig_SimpleFunction('field_value', array($this, 'fieldValue'), $options),
            new \Twig_SimpleFunction('countdown', array($this, 'countdown'), $options),
        );
    }

    /**
     * 这个不要使用，要废弃.
     */
    public function fieldValue($object, $key, $default = '')
    {
        $html = '';

        if (empty($object)) {
            return $default;
        }

        if (!is_array($object) || !isset($object[$key])) {
            return $default;
        }

        return $object[$key];
    }

    public function selectOptions($choices, $selected = null, $empty = null)
    {
        $html = '';

        if (!is_null($empty)) {
            if (is_array($empty)) {