| Current Path : /storage/v11800/affypharma/public_html/wp-content/plugins/core-sitemaps/inc/ |
Linux v11800 5.3.0-1023-aws #25~18.04.1-Ubuntu SMP Fri Jun 5 15:19:18 UTC 2020 aarch64
|
| Current File : /storage/v11800/affypharma/public_html/wp-content/plugins/core-sitemaps/inc/functions.php |
<?php
/**
* Sitemaps: Public functions
*
* This file contains a variety of public functions developers can use to interact with
* the XML Sitemaps API.
*
* @package WordPress
* @subpackage Sitemaps
* @since 5.5.0
*/
/**
* Retrieves the current Sitemaps server instance.
*
* @since 5.5.0
*
* @return WP_Sitemaps|null Sitemaps instance, or null if sitemaps are disabled.
*/
function wp_sitemaps_get_server() {
/**
* Global Core Sitemaps instance.
*
* @since 5.5.0
*
* @var WP_Sitemaps $wp_sitemaps
*/
global $wp_sitemaps;
$is_enabled = (bool) get_option( 'blog_public' );
/**
* Filters whether XML Sitemaps are enabled or not.
*
* @since 5.5.0
*
* @param bool $is_enabled Whether XML Sitemaps are enabled or not. Defaults to true for public sites.
*/
$is_enabled = (bool) apply_filters( 'wp_sitemaps_enabled', $is_enabled );
if ( ! $is_enabled ) {
return null;
}
// If there isn't a global instance, set and bootstrap the sitemaps system.
if ( empty( $wp_sitemaps ) ) {
$wp_sitemaps = new WP_Sitemaps();
$wp_sitemaps->init();
/**
* Fires when initializing the Sitemaps object.
*
* Additional sitemaps should be registered on this hook.
*
* @since 5.5.0
*
* @param WP_Sitemaps $sitemaps Server object.
*/
do_action( 'wp_sitemaps_init', $wp_sitemaps );
}
return $wp_sitemaps;
}
/**
* Gets a list of sitemap providers.
*
* @since 5.5.0
*
* @return array $sitemaps A list of registered sitemap providers.
*/
function wp_get_sitemaps() {
$sitemaps = wp_sitemaps_get_server();
if ( ! $sitemaps ) {
return array();
}
return $sitemaps->registry->get_sitemaps();
}
/**
* Registers a new sitemap provider.
*
* @since 5.5.0
*
* @param string $name Unique name for the sitemap provider.
* @param WP_Sitemaps_Provider $provider The `Sitemaps_Provider` instance implementing the sitemap.
* @return bool Returns true if the sitemap was added. False on failure.
*/
function wp_register_sitemap( $name, WP_Sitemaps_Provider $provider ) {
$sitemaps = wp_sitemaps_get_server();
if ( ! $sitemaps ) {
return false;
}
return $sitemaps->registry->add_sitemap( $name, $provider );
}
/**
* Gets the maximum number of URLs for a sitemap.
*
* @since 5.5.0
*
* @param string $object_type Object type for sitemap to be filtered (e.g. 'post', 'term', 'user').
* @return int The maximum number of URLs.
*/
function wp_sitemaps_get_max_urls( $object_type ) {
/**
* Filters the maximum number of URLs displayed on a sitemap.
*
* @since 5.5.0
*
* @param int $max_urls The maximum number of URLs included in a sitemap. Default 2000.
* @param string $object_type Object type for sitemap to be filtered (e.g. 'post', 'term', 'user').
*/
return apply_filters( 'wp_sitemaps_max_urls', WP_SITEMAPS_MAX_URLS, $object_type );
}
if ( ! function_exists( 'esc_xml' ) ) :
/**
* Escaping for XML blocks.
*
* @since 5.5.0
*
* @param string $text Text to escape.
* @return string
*/
function esc_xml( $text ) { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
$safe_text = wp_check_invalid_utf8( $text );
$cdata_regex = '\<\!\[CDATA\[.*?\]\]\>';
$regex = <<<EOF
/
(?=.*?{$cdata_regex}) # lookahead that will match anything followed by a CDATA Section
(?<non_cdata_followed_by_cdata>(.*?)) # the "anything" matched by the lookahead
(?<cdata>({$cdata_regex})) # the CDATA Section matched by the lookahead
| # alternative
(?<non_cdata>(.*)) # non-CDATA Section
/sx
EOF;
$safe_text = (string) preg_replace_callback(
$regex,
function( $matches ) {
if ( ! $matches[0] ) {
return '';
} elseif ( ! empty( $matches['non_cdata'] ) ) {
// escape HTML entities in the non-CDATA Section.
return _esc_xml_non_cdata_section( $matches['non_cdata'] );
}
// Return the CDATA Section unchanged, escape HTML entities in the rest.
return _esc_xml_non_cdata_section( $matches['non_cdata_followed_by_cdata'] ) . $matches['cdata'];
},
$safe_text
);
/**
* Filters a string cleaned and escaped for output in XML.
*
* Text passed to esc_xml() is stripped of invalid or special characters
* before output. HTML named character references are converted to their
* equivalent code points.
*
* @since 5.5.0
*
* @param string $safe_text The text after it has been escaped.
* @param string $text The text prior to being escaped.
*/
return apply_filters( 'esc_xml', $safe_text, $text ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
}
endif;
if ( ! function_exists( '_esc_xml_non_cdata_section' ) ) :
/**
* Escaping for non-CDATA Section XML blocks.
*
* @access private
* @since 5.5.0
*
* @param string $text Text to escape.
* @return string
*/
function _esc_xml_non_cdata_section( $text ) { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
global $allowedentitynames;
$safe_text = _wp_specialchars( $text, ENT_QUOTES );
// Replace HTML entities with their Unicode codepoints,
// without doing the same for the 5 XML entities.
$html_only_entities = array_diff( $allowedentitynames, array( 'amp', 'lt', 'gt', 'apos', 'quot' ) );
$safe_text = (string) preg_replace_callback(
'/&(' . implode( '|', $html_only_entities ) . ');/',
function( $matches ) {
return html_entity_decode( $matches[0], ENT_HTML5 );
},
$safe_text
);
return $safe_text;
}
endif;