<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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// phpcs:disable Generic.Classes.DuplicateClassName.Found -- sitemap-builder.php will require correct class file.

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/**

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* Sitemaps (per the protocol) are essentially lists of XML fragments;

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* lists which are subject to size constraints. The Jetpack_Sitemap_Buffer_Video

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* extends the Jetpack_Sitemap_Buffer class to represent the single video sitemap

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* buffer.

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*

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* @since 5.3.0

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* @package automattic/jetpack

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* A buffer for constructing sitemap video xml files for users without libxml support.

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*

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* @since 5.3.0

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* @phan-suppress PhanRedefinedClassReference -- Don't conflict with real version.

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*/

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class Jetpack_Sitemap_Buffer_Video extends Jetpack_Sitemap_Buffer_Fallback {

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// @phan-suppress-previous-line UnusedSuppression -- It's used.

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/**

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* Returns a DOM element that contains all video sitemap elements.

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*/

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protected function get_root_element() {

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if ( ! isset( $this->root ) ) {

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/**

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* Filter the XML namespaces included in video sitemaps.

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*

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* @module sitemaps

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*

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* @since 4.8.0

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*

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* @param array $namespaces Associative array with namespaces and namespace URIs.

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*/

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$namespaces = apply_filters(

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'jetpack_sitemap_video_ns',

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array(

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'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',

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'xsi:schemaLocation' => 'http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd',

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'xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9',

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'xmlns:video' => 'http://www.google.com/schemas/sitemap-video/1.1',

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)

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);

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$video_sitemap_xsl_url = $this->finder->construct_sitemap_url( 'video-sitemap.xsl' );

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$jetpack_version = JETPACK__VERSION;

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$this->root = array(

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"<!-- generator='jetpack-{$jetpack_version}' -->" . PHP_EOL

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. "<?xml-stylesheet type='text/xsl' href='{$video_sitemap_xsl_url}'?>" . PHP_EOL

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. '<urlset ' . $this->array_to_xml_attr_string( $namespaces ) . '>',

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'</urlset>',

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);

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$this->byte_capacity -= strlen( implode( '', $this->root ) );

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}

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return $this->root;

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}

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}

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