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<?php

// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue
// SPDX-License-Identifier: BSD-3-Clause

declare(strict_types=1);

namespace SimplePie;

/**
 * Handles `<atom:source>`
 *
 * Used by {@see \SimplePie\Item::get_source()}
 *
 * This class can be overloaded with {@see \SimplePie::set_source_class()}
 */
class Source implements RegistryAware
{
    /** @var Item */
    public $item;
    /** @var array<string, mixed> */
    public $data = [];
    /** @var Registry */
    protected $registry;

    /**
     * @param array<string, mixed> $data
     */
    public function __construct(Item $item, array $data)
    {
        $this->item = $item;
        $this->data = $data;
    }

    /**
     * @return void
     */
    public function set_registry(\SimplePie\Registry $registry)
    {
        $this->registry = $registry;
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return md5(serialize($this->data));
    }

    /**
     * @param string $namespace
     * @param string $tag
     * @return array<array<string, mixed>>|null
     */
    public function get_source_tags(string $namespace, string $tag)
    {
        if (isset($this->data['child'][$namespace][$tag])) {
            return $this->data['child'][$namespace][$tag];
        }

        return null;
    }

    /**
     * @param array<string, mixed> $element
     * @return string
     */
    public function get_base(array $element = [])
    {
        return $this->item->get_base($element);
    }

    /**
     * @param string $data
     * @param int-mask-of<SimplePie::CONSTRUCT_*> $type
     * @param string $base
     * @return string
     */
    public function sanitize(string $data, $type, string $base = '')
    {
        return $this->item->sanitize($data, $type, $base);
    }

    /**
     * @return Item
     */
    public function get_item()
    {
        return $this->item;
    }

    /**
     * @return string|null
     */
    public function get_title()
    {
        if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'title')) {
            return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'title')) {
            return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10, 'title')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_090, 'title')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'title')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'title')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'title')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        }

        return null;
    }

    /**
     * @param int $key
     * @return Category|null
     */
    public function get_category(int $key = 0)
    {
        $categories = $this->get_categories();
        if (isset($categories[$key])) {
            return $categories[$key];
        }

        return null;
    }

    /**
     * @return array<Category>|null
     */
    public function get_categories()
    {
        $categories = [];

        foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'category') as $category) {
            $term = null;
            $scheme = null;
            $label = null;
            if (isset($category['attribs']['']['term'])) {
                $term = $this->sanitize($category['attribs']['']['term'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            if (isset($category['attribs']['']['scheme'])) {
                $scheme = $this->sanitize($category['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            if (isset($category['attribs']['']['label'])) {
                $label = $this->sanitize($category['attribs']['']['label'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            $categories[] = $this->registry->create(Category::class, [$term, $scheme, $label]);
        }
        foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'category') as $category) {
            // This is really the label, but keep this as the term also for BC.
            // Label will also work on retrieving because that falls back to term.
            $term = $this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            if (isset($category['attribs']['']['domain'])) {
                $scheme = $this->sanitize($category['attribs']['']['domain'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            } else {
                $scheme = null;
            }
            $categories[] = $this->registry->create(Category::class, [$term, $scheme, null]);
        }
        foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'subject') as $category) {
            $categories[] = $this->registry->create(Category::class, [$this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]);
        }
        foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'subject') as $category) {
            $categories[] = $this->registry->create(Category::class, [$this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]);
        }

        if (!empty($categories)) {
            return array_unique($categories);
        }

        return null;
    }

    /**
     * @param int $key
     * @return Author|null
     */
    public function get_author(int $key = 0)
    {
        $authors = $this->get_authors();
        if (isset($authors[$key])) {
            return $authors[$key];
        }

        return null;
    }

    /**
     * @return array<Author>|null
     */
    public function get_authors()
    {
        $authors = [];
        foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'author') as $author) {
            $name = null;
            $uri = null;
            $email = null;
            if (isset($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'])) {
                $name = $this->sanitize($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            if (isset($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0]['data'])) {
                $uri = $author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0];
                $uri = $this->sanitize($uri['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($uri));
            }
            if (isset($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'])) {
                $email = $this->sanitize($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            if ($name !== null || $email !== null || $uri !== null) {
                $authors[] = $this->registry->create(Author::class, [$name, $uri, $email]);
            }
        }
        if ($author = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'author')) {
            $name = null;
            $url = null;
            $email = null;
            if (isset($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'])) {
                $name = $this->sanitize($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            if (isset($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0]['data'])) {
                $url = $author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0];
                $url = $this->sanitize($url['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($url));
            }
            if (isset($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'])) {
                $email = $this->sanitize($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            if ($name !== null || $email !== null || $url !== null) {
                $authors[] = $this->registry->create(Author::class, [$name, $url, $email]);
            }
        }
        foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'creator') as $author) {
            $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]);
        }
        foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'creator') as $author) {
            $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]);
        }
        foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'author') as $author) {
            $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]);
        }

        if (!empty($authors)) {
            return array_unique($authors);
        }

        return null;
    }

    /**
     * @param int $key
     * @return Author|null
     */
    public function get_contributor(int $key = 0)
    {
        $contributors = $this->get_contributors();
        if (isset($contributors[$key])) {
            return $contributors[$key];
        }

        return null;
    }

    /**
     * @return array<Author>|null
     */
    public function get_contributors()
    {
        $contributors = [];
        foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'contributor') as $contributor) {
            $name = null;
            $uri = null;
            $email = null;
            if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'])) {
                $name = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0]['data'])) {
                $uri = $contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0];
                $uri = $this->sanitize($uri['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($uri));
            }
            if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'])) {
                $email = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            if ($name !== null || $email !== null || $uri !== null) {
                $contributors[] = $this->registry->create(Author::class, [$name, $uri, $email]);
            }
        }
        foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'contributor') as $contributor) {
            $name = null;
            $url = null;
            $email = null;
            if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'])) {
                $name = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0]['data'])) {
                $url = $contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0];
                $url = $this->sanitize($url['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($url));
            }
            if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'])) {
                $email = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
            }
            if ($name !== null || $email !== null || $url !== null) {
                $contributors[] = $this->registry->create(Author::class, [$name, $url, $email]);
            }
        }

        if (!empty($contributors)) {
            return array_unique($contributors);
        }

        return null;
    }

    /**
     * @param int $key
     * @param string $rel
     * @return string|null
     */
    public function get_link(int $key = 0, string $rel = 'alternate')
    {
        $links = $this->get_links($rel);
        if (isset($links[$key])) {
            return $links[$key];
        }

        return null;
    }

    /**
     * Added for parity between the parent-level and the item/entry-level.
     *
     * @return string|null
     */
    public function get_permalink()
    {
        return $this->get_link(0);
    }

    /**
     * @param string $rel
     * @return array<string>|null
     */
    public function get_links(string $rel = 'alternate')
    {
        if (!isset($this->data['links'])) {
            $this->data['links'] = [];
            if ($links = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'link')) {
                foreach ($links as $link) {
                    if (isset($link['attribs']['']['href'])) {
                        $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
                        $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($link));
                    }
                }
            }
            if ($links = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'link')) {
                foreach ($links as $link) {
                    if (isset($link['attribs']['']['href'])) {
                        $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
                        $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($link));
                    }
                }
            }
            if ($links = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10, 'link')) {
                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($links[0]));
            }
            if ($links = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_090, 'link')) {
                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($links[0]));
            }
            if ($links = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'link')) {
                $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($links[0]));
            }

            $keys = array_keys($this->data['links']);
            foreach ($keys as $key) {
                $key = (string) $key;

                if ($this->registry->call(Misc::class, 'is_isegment_nz_nc', [$key])) {
                    if (isset($this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key])) {
                        $this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key]);
                        $this->data['links'][$key] = &$this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key];
                    } else {
                        $this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key] = &$this->data['links'][$key];
                    }
                } elseif (substr($key, 0, 41) === \SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY) {
                    $this->data['links'][substr($key, 41)] = &$this->data['links'][$key];
                }
                $this->data['links'][$key] = array_unique($this->data['links'][$key]);
            }
        }

        if (isset($this->data['links'][$rel])) {
            return $this->data['links'][$rel];
        }

        return null;
    }

    /**
     * @return string|null
     */
    public function get_description()
    {
        if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'subtitle')) {
            return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'tagline')) {
            return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10, 'description')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_090, 'description')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'description')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'description')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'description')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'summary')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_HTML, $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'subtitle')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_HTML, $this->get_base($return[0]));
        }

        return null;
    }

    /**
     * @return string|null
     */
    public function get_copyright()
    {
        if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'rights')) {
            return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'copyright')) {
            return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'copyright')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'rights')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'rights')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        }

        return null;
    }

    /**
     * @return string|null
     */
    public function get_language()
    {
        if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'language')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'language')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'language')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        } elseif (isset($this->data['xml_lang'])) {
            return $this->sanitize($this->data['xml_lang'], \SimplePie\SimplePie::CONSTRUCT_TEXT);
        }

        return null;
    }

    /**
     * @return float|null
     */
    public function get_latitude()
    {
        if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_W3C_BASIC_GEO, 'lat')) {
            return (float) $return[0]['data'];
        } elseif (($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) {
            return (float) $match[1];
        }

        return null;
    }

    /**
     * @return float|null
     */
    public function get_longitude()
    {
        if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_W3C_BASIC_GEO, 'long')) {
            return (float) $return[0]['data'];
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_W3C_BASIC_GEO, 'lon')) {
            return (float) $return[0]['data'];
        } elseif (($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) {
            return (float) $match[2];
        }

        return null;
    }

    /**
     * @return string|null
     */
    public function get_image_url()
    {
        if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'image')) {
            return $this->sanitize($return[0]['attribs']['']['href'], \SimplePie\SimplePie::CONSTRUCT_IRI);
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'logo')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($return[0]));
        } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'icon')) {
            return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($return[0]));
        }

        return null;
    }
}

class_alias('SimplePie\Source', 'SimplePie_Source');

Zerion Mini Shell 1.0
在线中文学校 7/24,专为华裔青少儿设计,教学经验丰富|灵犀中文
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灵犀中文 ── 学有”灵犀”一点通

1对1在线中文课程

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1对1个性化教学,专注于青少儿中文学习

华裔孩子学中文,1对1个性化教学
1对1个性化教学

因材施教,根据每个孩子的情况量身定制教学内容。

华裔孩子学中文,专属班主任
专属班主任
班主任全程跟踪,及时给家长反馈孩子学习情况,全方位保障孩子学有所成。
华裔孩子学中文,灵活的上课时间
灵活的上课时间
灵活的上课时间 ( 7*24 ),随时随地在线学中文。
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多样化的趣味互动练习
各种趣味互动游戏,让孩子爱上学中文。

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学生不仅可以和课件互动,还能加强和老师的互动。学生、教师和课件三位一体,互动性空前提升,让老师对学生的学习效果把控地更加准确,教学更有效。
趣味性高
通过非常丰富的互动体验和精美的趣味元素设计,让孩子更能记住所学的内容,真正做到寓教于乐,让学生能够快乐地学好中文。
科学性强
灵犀中文的教研团队深耕行业多年,深谙华裔孩子中文学习的特点。课件专业针对华裔青少儿中文学习的特点制作,让孩子的学习更加科学。

高效中文考试辅导课程,助力考生取得高分

多种课程类型
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覆盖多种中文考试课程,包括IB中文、AP中文、A-Level中文、O-Level中文和DSE中文,满足不同中文考试辅导的需求。
华裔孩子学中文,课程针对性强
针对性强
所有考试辅导皆为1对1名师教学,根据考生的水平制定个性化备考课程计划,针对弱项快速补强。
高提分率
高提分率
灵犀的老师有着丰富的考试辅导经验,深谙各中文考试的大纲和重点,帮助学生超越自我,考取高分。

为什么选择灵犀中文

为什么选择灵犀中文

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17年教学经验沉淀,打造每一堂好课

灵犀中文掌握华裔青少儿中文教学的精髓,让您的孩子快乐高效地学好中文!
华裔孩子学中文,1对1个性化教学
为每个孩子定制个性化课程
华裔孩子学中文,教师教学经验丰富
教师经验丰富,擅于教授华裔青少儿
练习充分,讲练比例1:4,全面提升听说读写,让孩子真正学会中文
练习充分,讲练比例1:4,全面提升听说读写,让孩子真正学会中文
趣味课堂互动,锻炼孩子语言交际能力,激发孩子中文学习兴趣
趣味课堂互动,锻炼孩子语言交际能力,激发孩子中文学习兴趣

专业的师资团队,做最好的中文教育

专业的师资团队,做最好的中文教育
严格的教师筛选标准,只选2%最优秀的老师
严格的教师筛选标准,只选2%最优秀的老师
教师选择众多,保证选到最适合孩子的老师
教师选择众多,保证选到最适合孩子的老师
采用情景式及TPR教学法,课堂教学生动有趣
采用情景式及TPR教学法,课堂教学生动有趣
耐心热情,亦师亦友
耐心热情,亦师亦友

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