protected function send_headers( $headers = [], $is_xsl = false ) {
        $defaults = [
            'X-Robots-Tag'  => 'noindex',
            'Content-Type'  => 'text/xml; charset=' . $this->get_output_charset(),
            'Pragma'        => 'public',
            'Cache-Control' => 'no-cache, no-store, must-revalidate, max-age=0',
            'Expires'       => 0,
        ];
 
        $headers = wp_parse_args( $headers, $defaults );
 
        /**
         * Filter the sitemap HTTP headers.
         *
         * @param array $headers HTTP headers.
         * @param bool  $is_xsl Whether these headers are for XSL.
         */
        $headers = $this->do_filter( 'sitemap/http_headers', $headers, $is_xsl );
 
        header( $this->get_protocol() . ' 200 OK', true, 200 );
 
        foreach ( $headers as $header => $value ) {
            header( $header . ': ' . $value );
        }
    }
 
    /**
     * Get HTTP protocol.
     *
     * @return string
     */
    protected function get_protocol() {
        if ( ! is_null( $this->http_protocol ) ) {
            return $this->http_protocol;
        }
 
        $this->http_protocol = ! empty( $_SERVER['SERVER_PROTOCOL'] ) ? sanitize_text_field( $_SERVER['SERVER_PROTOCOL'] ) : 'HTTP/1.1';
        return $this->http_protocol;
    }
 

    }
 
    /**
     * Generate sitemap now.
     */
    private function output() {
        global $wp_query;
 
        $this->init_stats();
        if ( ! $this->has_sitemap_in_cache() ) {
            $this->build_sitemap();
        }
 
        if ( empty( $this->sitemap ) ) {
            $wp_query->set_404();
            status_header( 404 );
            return;
        }
 
        $this->send_headers();
        echo $this->sitemap; // phpcs:ignore
        $this->output_credits();
        remove_all_actions( 'wp_footer' );
        die;
    }
 
    /**
     * Output XML credits.
     */
    private function output_credits() {
        if ( ! $this->do_filter( 'sitemap/remove_credit', false ) ) {
            echo "\n<!-- XML Sitemap generated by Rank Math SEO Plugin (c) Rank Math - rankmath.com -->";
        }
 
        if ( ! WP_DEBUG_DISPLAY || ! WP_DEBUG ) {
            return;
        }
 
        $time     = timer_stop( 0, 3 );
        $sql      = get_num_queries() - $this->stats['query'];

    /**
     * Holds the stats for the sitemap generation.
     *
     * @var array
     */
    private $stats = [];
 
    /**
     * The Constructor.
     *
     * @param string $type Sitemap type.
     */
    public function __construct( $type ) {
        remove_all_actions( 'widgets_init' );
        $this->filter( 'user_has_cap', 'filter_user_has_cap' );
 
        $this->type  = $type;
        $this->cache = new Cache();
        $this->set_n( get_query_var( 'sitemap_n' ) );
        $this->output();
    }
 
    /**
     * Generate sitemap now.
     */
    private function output() {
        global $wp_query;
 
        $this->init_stats();
        if ( ! $this->has_sitemap_in_cache() ) {
            $this->build_sitemap();
        }
 
        if ( empty( $this->sitemap ) ) {
            $wp_query->set_404();
            status_header( 404 );
            return;
        }
 
        $this->send_headers();

     */
    public function request_sitemap( $query ) {
        if ( ! $query->is_main_query() ) {
            return;
        }
 
        $xsl = self::get_sitemap_slug( get_query_var( 'xsl' ) );
        if ( ! empty( $xsl ) ) {
            $this->filter( 'user_has_cap', 'filter_user_has_cap' );
            $stylesheet = new Stylesheet();
            $stylesheet->output( $xsl );
            return;
        }
 
        $type = get_query_var( 'sitemap' );
        if ( empty( $type ) ) {
            return;
        }
 
        new Sitemap_XML( $type );
    }
 
    /**
     * Check the current request URI, if we can determine it's probably an XML sitemap, kill loading the widgets.
     */
    public function reduce_query_load() {
        if ( ! isset( $_SERVER['REQUEST_URI'] ) ) {
            return;
        }
        $request   = sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) );
        $extension = substr( $request, -4 );
        if ( Str::contains( 'sitemap', $request ) && in_array( $extension, [ '.xml', '.xsl' ], true ) ) {
            remove_all_actions( 'widgets_init' );
        }
    }
 
    /**
     * Redirects `sitemap.xml` to `sitemap_index.xml`.
     */
    public function template_redirect() {

 
        $this->iterations[ $nesting_level ] = $this->priorities;
 
        $num_args = count( $args );
 
        do {
            $this->current_priority[ $nesting_level ] = current( $this->iterations[ $nesting_level ] );
 
            $priority = $this->current_priority[ $nesting_level ];
 
            foreach ( $this->callbacks[ $priority ] as $the_ ) {
                if ( ! $this->doing_action ) {
                    $args[0] = $value;
                }
 
                // Avoid the array_slice() if possible.
                if ( 0 === $the_['accepted_args'] ) {
                    $value = call_user_func( $the_['function'] );
                } elseif ( $the_['accepted_args'] >= $num_args ) {
                    $value = call_user_func_array( $the_['function'], $args );
                } else {
                    $value = call_user_func_array( $the_['function'], array_slice( $args, 0, $the_['accepted_args'] ) );
                }
            }
        } while ( false !== next( $this->iterations[ $nesting_level ] ) );
 
        unset( $this->iterations[ $nesting_level ] );
        unset( $this->current_priority[ $nesting_level ] );
 
        --$this->nesting_level;
 
        return $value;
    }
 
    /**
     * Calls the callback functions that have been added to an action hook.
     *
     * @since 4.7.0
     *
     * @param array $args Parameters to pass to the callback functions.

        } while ( false !== next( $this->iterations[ $nesting_level ] ) );
 
        unset( $this->iterations[ $nesting_level ] );
        unset( $this->current_priority[ $nesting_level ] );
 
        --$this->nesting_level;
 
        return $value;
    }
 
    /**
     * Calls the callback functions that have been added to an action hook.
     *
     * @since 4.7.0
     *
     * @param array $args Parameters to pass to the callback functions.
     */
    public function do_action( $args ) {
        $this->doing_action = true;
        $this->apply_filters( '', $args );
 
        // If there are recursive calls to the current action, we haven't finished it until we get to the last one.
        if ( ! $this->nesting_level ) {
            $this->doing_action = false;
        }
    }
 
    /**
     * Processes the functions hooked into the 'all' hook.
     *
     * @since 4.7.0
     *
     * @param array $args Arguments to pass to the hook callbacks. Passed by reference.
     */
    public function do_all_hook( &$args ) {
        $nesting_level                      = $this->nesting_level++;
        $this->iterations[ $nesting_level ] = $this->priorities;
 
        do {
            $priority = current( $this->iterations[ $nesting_level ] );

    // Do 'all' actions first.
    if ( isset( $wp_filter['all'] ) ) {
        $wp_current_filter[] = $hook_name;
        $all_args            = func_get_args(); // phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue.NeedsInspection
        _wp_call_all_hook( $all_args );
    }
 
    if ( ! isset( $wp_filter[ $hook_name ] ) ) {
        if ( isset( $wp_filter['all'] ) ) {
            array_pop( $wp_current_filter );
        }
 
        return;
    }
 
    if ( ! isset( $wp_filter['all'] ) ) {
        $wp_current_filter[] = $hook_name;
    }
 
    $wp_filter[ $hook_name ]->do_action( $args );
 
    array_pop( $wp_current_filter );
}
 
/**
 * Checks if any action has been registered for a hook.
 *
 * When using the `$callback` argument, this function may return a non-boolean value
 * that evaluates to false (e.g. 0), so use the `===` operator for testing the return value.
 *
 * @since 2.5.0
 * @since 6.9.0 Added the `$priority` parameter.
 *
 * @see has_filter() This function is an alias of has_filter().
 *
 * @param string                      $hook_name The name of the action hook.
 * @param callable|string|array|false $callback  Optional. The callback to check for.
 *                                               This function can be called unconditionally to speculatively check
 *                                               a callback that may or may not exist. Default false.
 * @param int|false                   $priority  Optional. The specific priority at which to check for the callback.

        $this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
        // Done correcting `is_*` for 'page_on_front' and 'page_for_posts'.
 
        if ( '404' == $query_vars['error'] ) {
            $this->set_404();
        }
 
        $this->is_embed = $this->is_embed && ( $this->is_singular || $this->is_404 );
 
        $this->query_vars_hash    = md5( serialize( $this->query_vars ) );
        $this->query_vars_changed = false;
 
        /**
         * Fires after the main query vars have been parsed.
         *
         * @since 1.5.0
         *
         * @param WP_Query $query The WP_Query instance (passed by reference).
         */
        do_action_ref_array( 'parse_query', array( &$this ) );
    }
 
    /**
     * Parses various taxonomy related query vars.
     *
     * For BC, this method is not marked as protected. See [28987].
     *
     * @since 3.1.0
     *
     * @param array $query_vars The query variables. Passed by reference.
     */
    public function parse_tax_query( &$query_vars ) {
        if ( ! empty( $query_vars['tax_query'] ) && is_array( $query_vars['tax_query'] ) ) {
            $tax_query = $query_vars['tax_query'];
        } else {
            $tax_query = array();
        }
 
        if ( ! empty( $query_vars['taxonomy'] ) && ! empty( $query_vars['term'] ) ) {
            $tax_query[] = array(

    public function set( $query_var, $value ) {
        $this->query_vars[ $query_var ] = $value;
    }
 
    /**
     * Retrieves an array of posts based on query variables.
     *
     * There are a few filters and actions that can be used to modify the post
     * database query.
     *
     * @since 1.5.0
     *
     * @global wpdb $wpdb WordPress database abstraction object.
     *
     * @return WP_Post[]|int[] Array of post objects or post IDs.
     */
    public function get_posts() {
        global $wpdb;
 
        $this->parse_query();
 
        /**
         * Fires after the query variable object is created, but before the actual query is run.
         *
         * Note: If using conditional tags, use the method versions within the passed instance
         * (e.g. `$query->is_main_query()` instead of `is_main_query()`). This is because the functions
         * like `is_main_query()` test against the global `$wp_query` instance, not the passed one.
         *
         * @since 2.0.0
         *
         * @param WP_Query $query The WP_Query instance (passed by reference).
         */
        do_action_ref_array( 'pre_get_posts', array( &$this ) );
 
        // Locally scoped reference for easy of use.
        $query_vars = &$this->query_vars;
 
        // Fill again in case 'pre_get_posts' unset some vars.
        $query_vars = $this->fill_query_vars( $query_vars );
 

 
    /**
     * Sets up the WordPress query by parsing query string.
     *
     * @since 1.5.0
     *
     * @see WP_Query::parse_query() for all available arguments.
     *
     * @param string|array $query URL query string or array of query arguments.
     * @return WP_Post[]|int[] Array of post objects or post IDs.
     *
     * @phpstan-return (
     *     $query is array{ fields: 'ids', ... } ? int[] : WP_Post[]
     * )
     */
    public function query( $query ) {
        $this->init();
        $this->query      = wp_parse_args( $query );
        $this->query_vars = $this->query;
        return $this->get_posts();
    }
 
    /**
     * Retrieves the currently queried object.
     *
     * If queried object is not set, then the queried object will be set from
     * the category, tag, taxonomy, posts page, single post, page, or author
     * query variable. After it is set up, it will be returned.
     *
     * @since 1.5.0
     *
     * @return WP_Term|WP_Post_Type|WP_Post|WP_User|null The queried object.
     */
    public function get_queried_object() {
        if ( isset( $this->queried_object ) ) {
            return $this->queried_object;
        }
 
        $this->queried_object    = null;
        $this->queried_object_id = null;

    /**
     * Set up the current user.
     *
     * @since 2.0.0
     */
    public function init() {
        wp_get_current_user();
    }
 
    /**
     * Set up the Loop based on the query variables.
     *
     * @since 2.0.0
     *
     * @global WP_Query $wp_the_query WordPress Query object.
     */
    public function query_posts() {
        global $wp_the_query;
        $this->build_query_string();
        $wp_the_query->query( $this->query_vars );
    }
 
    /**
     * Set the Headers for 404, if nothing is found for requested URL.
     *
     * Issue a 404 if a request doesn't match any posts and doesn't match any object
     * (e.g. an existing-but-empty category, tag, author) and a 404 was not already issued,
     * and if the request was not a search or the homepage.
     *
     * Otherwise, issue a 200.
     *
     * This sets headers after posts have been queried. handle_404() really means "handle status".
     * By inspecting the result of querying posts, seemingly successful requests can be switched to
     * a 404 so that canonical redirection logic can kick in.
     *
     * @since 2.0.0
     *
     * @global WP_Query $wp_query WordPress Query object.
     */
    public function handle_404() {

    }
 
    /**
     * Sets up all of the variables required by the WordPress environment.
     *
     * The action {@see 'wp'} has one parameter that references the WP object. It
     * allows for accessing the properties and methods to further manipulate the
     * object.
     *
     * @since 2.0.0
     *
     * @param string|array $query_args Passed to parse_request().
     */
    public function main( $query_args = '' ) {
        $this->init();
 
        $parsed = $this->parse_request( $query_args );
 
        if ( $parsed ) {
            $this->query_posts();
            $this->handle_404();
            $this->register_globals();
        }
 
        $this->send_headers();
 
        /**
         * Fires once the WordPress environment has been set up.
         *
         * @since 2.1.0
         *
         * @param WP $wp Current WordPress environment instance (passed by reference).
         */
        do_action_ref_array( 'wp', array( &$this ) );
    }
}
 

    }
 
    return wp_remote_retrieve_body( $response );
}
 
/**
 * Sets up the WordPress query.
 *
 * @since 2.0.0
 *
 * @global WP       $wp           Current WordPress environment instance.
 * @global WP_Query $wp_query     WordPress Query object.
 * @global WP_Query $wp_the_query Copy of the WordPress Query object.
 *
 * @param string|array $query_vars Default WP_Query arguments.
 */
function wp( $query_vars = '' ) {
    global $wp, $wp_query, $wp_the_query;
 
    $wp->main( $query_vars );
 
    if ( ! isset( $wp_the_query ) ) {
        $wp_the_query = $wp_query;
    }
}
 
/**
 * Retrieves the description for the HTTP status.
 *
 * @since 2.3.0
 * @since 3.9.0 Added status codes 418, 428, 429, 431, and 511.
 * @since 4.5.0 Added status codes 308, 421, and 451.
 * @since 5.1.0 Added status code 103.
 * @since 6.6.0 Added status code 425.
 *
 * @global array $wp_header_to_desc
 *
 * @param int $code HTTP status code.
 * @return string Status description if found, an empty string otherwise.
 */

<?php
/**
 * Loads the WordPress environment and template.
 *
 * @package WordPress
 */
 
if ( ! isset( $wp_did_header ) ) {
 
    $wp_did_header = true;
 
    // Load the WordPress library.
    require_once __DIR__ . '/wp-load.php';
 
    // Set up the WordPress query.
    wp();
 
    // Load the theme template.
    require_once ABSPATH . WPINC . '/template-loader.php';
 
}
 

<?php
/**
 * Front to the WordPress application. This file doesn't do anything, but loads
 * wp-blog-header.php which does and tells WordPress to load the theme.
 *
 * @package WordPress
 */
 
/**
 * Tells WordPress to load the WordPress theme and output it.
 *
 * @var bool
 */
define( 'WP_USE_THEMES', true );
 
/** Loads the WordPress Environment and Template */
require __DIR__ . '/wp-blog-header.php';