sitemap-buffer-image-fallback.php — Jetpack – WP Security, Backup, Speed, & Growth 8.6.1

jetpack / modules / sitemaps / sitemap-buffer-image-fallback.php

jetpack / modules / sitemaps Last commit date

sitemap-buffer-image-fallback.php

57 lines

1	<?php
2	/**
3	* Sitemaps (per the protocol) are essentially lists of XML fragments;
4	* lists which are subject to size constraints. The Jetpack_Sitemap_Buffer_Image
5	* extends the Jetpack_Sitemap_Buffer class to represent the single image sitemap
6	* buffer.
7	*
8	* @since 5.3.0
9	* @package Jetpack
10	*/
11
12	/**
13	* A buffer for constructing sitemap image xml files for users that have no libxml support.
14	*
15	* @since 5.3.0
16	*/
17	class Jetpack_Sitemap_Buffer_Image extends Jetpack_Sitemap_Buffer_Fallback {
18
19	protected function get_root_element() {
20	if ( ! isset( $this->root ) ) {
21
22	/**
23	* Filter the XML namespaces included in image sitemaps.
24	*
25	* @module sitemaps
26	*
27	* @since 4.8.0
28	*
29	* @param array $namespaces Associative array with namespaces and namespace URIs.
30	*/
31	$namespaces = apply_filters(
32	'jetpack_sitemap_image_ns',
33	array(
34	'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
35	'xsi:schemaLocation' => 'http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd',
36	'xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9',
37	'xmlns:image' => 'http://www.google.com/schemas/sitemap-image/1.1',
38	)
39	);
40
41	$sitemap_xsl_url = $this->finder->construct_sitemap_url( 'sitemap.xsl' );
42	$jetpack_version = JETPACK__VERSION;
43
44	$this->root = array(
45	"<!-- generator='jetpack-{$jetpack_version}' -->" . PHP_EOL
46	. "<?xml-stylesheet type='text/xsl' href='{$sitemap_xsl_url}'?>" . PHP_EOL
47	. '<urlset ' . $this->array_to_xml_attr_string( $namespaces ) . '>' . PHP_EOL,
48	'</urlset>',
49	);
50
51	$this->byte_capacity -= strlen( join( '', $this->root ) );
52	}
53
54	return $this->root;
55	}
56	}
57