FM / wp-includes

/home/desid573/public_html/magicride.ng/wp-includes/

/home/desid573/public_html/magicride.ng/wp-includes

Name	Size	Mode	Actions
blocks/	-	0755	rm
certificates/	-	0755	rm
css/	-	0755	rm
customize/	-	0755	rm
fonts/	-	0755	rm
ID3/	-	0755	rm
images/	-	0755	rm
IXR/	-	0755	rm
js/	-	0755	rm
pomo/	-	0755	rm
random_compat/	-	0755	rm
Requests/	-	0755	rm
rest-api/	-	0755	rm
SimplePie/	-	0755	rm
sodium_compat/	-	0755	rm
Text/	-	0755	rm
theme-compat/	-	0755	rm
widgets/	-	0755	rm
admin-bar.php	30435	0644	edit dl rm
atomlib.php	11839	0644	edit dl rm
author-template.php	16650	0644	edit dl rm
blocks.php	18241	0644	edit dl rm
bookmark-template.php	11918	0644	edit dl rm
bookmark.php	13901	0644	edit dl rm
cache.php	21874	0644	edit dl rm
canonical.php	28487	0644	edit dl rm
capabilities.php	31721	0644	edit dl rm
category-template.php	52031	0644	edit dl rm
category.php	12227	0644	edit dl rm
class-feed.php	523	0644	edit dl rm
class-http.php	37141	0644	edit dl rm
class-IXR.php	2573	0644	edit dl rm
class-json.php	40476	0644	edit dl rm
class-oembed.php	31482	0644	edit dl rm
class-phpass.php	7317	0644	edit dl rm
class-phpmailer.php	148244	0644	edit dl rm
class-pop3.php	20919	0644	edit dl rm
class-requests.php	29790	0644	edit dl rm
class-simplepie.php	89264	0644	edit dl rm
class-smtp.php	39476	0644	edit dl rm
class-snoopy.php	37785	0644	edit dl rm
class-walker-category-dropdown.php	2127	0644	edit dl rm
class-walker-category.php	7751	0644	edit dl rm
class-walker-comment.php	13654	0644	edit dl rm
class-walker-nav-menu.php	8642	0644	edit dl rm
class-walker-page-dropdown.php	2298	0644	edit dl rm
class-walker-page.php	6993	0644	edit dl rm
class-wp-admin-bar.php	16920	0644	edit dl rm
class-wp-ajax-response.php	5127	0644	edit dl rm
class-wp-block-parser.php	15215	0644	edit dl rm
class-wp-block-type-registry.php	5089	0644	edit dl rm
class-wp-block-type.php	4815	0644	edit dl rm
class-wp-comment-query.php	43223	0644	edit dl rm
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class-wp-customize-control.php	25053	0644	edit dl rm
class-wp-customize-manager.php	201856	0644	edit dl rm
class-wp-customize-nav-menus.php	54354	0644	edit dl rm
class-wp-customize-panel.php	9647	0644	edit dl rm
class-wp-customize-section.php	10229	0644	edit dl rm
class-wp-customize-setting.php	28243	0644	edit dl rm
class-wp-customize-widgets.php	66296	0644	edit dl rm
class-wp-dependency.php	2335	0644	edit dl rm
class-wp-editor.php	67872	0644	edit dl rm
class-wp-embed.php	14732	0644	edit dl rm
class-wp-error.php	4923	0644	edit dl rm
class-wp-fatal-error-handler.php	6462	0644	edit dl rm
class-wp-feed-cache-transient.php	2560	0644	edit dl rm
class-wp-feed-cache.php	749	0644	edit dl rm
class-wp-hook.php	14105	0644	edit dl rm
class-wp-http-cookie.php	6847	0644	edit dl rm
class-wp-http-curl.php	11928	0644	edit dl rm
class-wp-http-encoding.php	6503	0644	edit dl rm
class-wp-http-ixr-client.php	3326	0644	edit dl rm
class-wp-http-proxy.php	6061	0644	edit dl rm
class-wp-http-requests-hooks.php	1876	0644	edit dl rm
class-wp-http-requests-response.php	4398	0644	edit dl rm
class-wp-http-response.php	2871	0644	edit dl rm
class-wp-http-streams.php	15385	0644	edit dl rm
class-wp-image-editor-gd.php	13061	0644	edit dl rm
class-wp-image-editor-imagick.php	21780	0644	edit dl rm
class-wp-image-editor.php	11761	0644	edit dl rm
class-wp-list-util.php	6396	0644	edit dl rm
class-wp-locale-switcher.php	5026	0644	edit dl rm
class-wp-locale.php	14629	0644	edit dl rm
class-wp-matchesmapregex.php	1804	0644	edit dl rm
class-wp-meta-query.php	23436	0644	edit dl rm
class-wp-metadata-lazyloader.php	5384	0644	edit dl rm
class-wp-network-query.php	17835	0644	edit dl rm
class-wp-network.php	12217	0644	edit dl rm
class-wp-oembed-controller.php	6024	0644	edit dl rm
class-wp-paused-extensions-storage.php	4933	0644	edit dl rm
class-wp-post-type.php	18236	0644	edit dl rm
class-wp-post.php	6441	0644	edit dl rm
class-wp-query.php	130818	0644	edit dl rm
class-wp-recovery-mode-cookie-service.php	6247	0644	edit dl rm
class-wp-recovery-mode-email-service.php	7996	0644	edit dl rm
class-wp-recovery-mode-key-service.php	4284	0644	edit dl rm
class-wp-recovery-mode-link-service.php	3370	0644	edit dl rm
class-wp-recovery-mode.php	11254	0644	edit dl rm
class-wp-rewrite.php	59821	0644	edit dl rm
class-wp-role.php	2661	0644	edit dl rm
class-wp-roles.php	8328	0644	edit dl rm
class-wp-session-tokens.php	7430	0644	edit dl rm
class-wp-simplepie-file.php	2326	0644	edit dl rm
class-wp-simplepie-sanitize-kses.php	1775	0644	edit dl rm
class-wp-site-query.php	28038	0644	edit dl rm
class-wp-site.php	7306	0644	edit dl rm
class-wp-tax-query.php	19433	0644	edit dl rm
class-wp-taxonomy.php	10661	0644	edit dl rm
class-wp-term-query.php	34656	0644	edit dl rm
class-wp-term.php	5265	0644	edit dl rm
class-wp-text-diff-renderer-inline.php	716	0644	edit dl rm
class-wp-text-diff-renderer-table.php	16448	0644	edit dl rm
class-wp-theme.php	50386	0644	edit dl rm
class-wp-user-meta-session-tokens.php	2990	0644	edit dl rm
class-wp-user-query.php	31224	0644	edit dl rm
class-wp-user.php	21414	0644	edit dl rm
class-wp-walker.php	12687	0644	edit dl rm
class-wp-widget-factory.php	3781	0644	edit dl rm
class-wp-widget.php	17834	0644	edit dl rm
class-wp-xmlrpc-server.php	207849	0644	edit dl rm
class-wp.php	24754	0644	edit dl rm
class.wp-dependencies.php	11512	0644	edit dl rm
class.wp-scripts.php	17191	0644	edit dl rm
class.wp-styles.php	9842	0644	edit dl rm
comment-template.php	89869	0644	edit dl rm
comment.php	115373	0644	edit dl rm
compat.php	17753	0644	edit dl rm
cron.php	32460	0644	edit dl rm
date.php	35618	0644	edit dl rm
default-constants.php	10126	0644	edit dl rm
default-filters.php	25727	0644	edit dl rm
default-widgets.php	2180	0644	edit dl rm
deprecated.php	114270	0644	edit dl rm
embed-template.php	344	0644	edit dl rm
embed.php	47122	0644	edit dl rm
error-protection.php	3386	0644	edit dl rm
error_log	565488	0644	edit dl rm
feed-atom-comments.php	5378	0644	edit dl rm
feed-atom.php	3081	0644	edit dl rm
feed-rdf.php	2660	0644	edit dl rm
feed-rss.php	1190	0644	edit dl rm
feed-rss2-comments.php	4122	0644	edit dl rm
feed-rss2.php	3782	0644	edit dl rm
feed.php	21380	0644	edit dl rm
formatting.php	295678	0644	edit dl rm
functions.php	219959	0644	edit dl rm
functions.wp-scripts.php	12830	0644	edit dl rm
functions.wp-styles.php	8219	0644	edit dl rm
general-template.php	146632	0644	edit dl rm
http.php	22424	0644	edit dl rm
kses.php	57233	0644	edit dl rm
l10n.php	51925	0644	edit dl rm
link-template.php	138482	0644	edit dl rm
load.php	43146	0644	edit dl rm
locale.php	141	0644	edit dl rm
media-template.php	48922	0644	edit dl rm
media.php	144763	0644	edit dl rm
meta.php	46551	0644	edit dl rm
ms-blogs.php	23122	0644	edit dl rm
ms-default-constants.php	4785	0644	edit dl rm
ms-default-filters.php	6414	0644	edit dl rm
ms-deprecated.php	19907	0644	edit dl rm
ms-files.php	2649	0644	edit dl rm
ms-functions.php	87059	0644	edit dl rm
ms-load.php	19557	0644	edit dl rm
ms-network.php	3658	0644	edit dl rm
ms-settings.php	4134	0644	edit dl rm
ms-site.php	43064	0644	edit dl rm
nav-menu-template.php	22008	0644	edit dl rm
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option.php	69555	0644	edit dl rm
pluggable-deprecated.php	6262	0644	edit dl rm
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plugin.php	32068	0644	edit dl rm
post-formats.php	7024	0644	edit dl rm
post-template.php	61764	0644	edit dl rm
post-thumbnail-template.php	8957	0644	edit dl rm
post.php	235364	0644	edit dl rm
query.php	32993	0644	edit dl rm
registration-functions.php	180	0644	edit dl rm
registration.php	180	0644	edit dl rm
rest-api.php	42053	0644	edit dl rm
revision.php	21586	0644	edit dl rm
rewrite.php	17723	0644	edit dl rm
rss-functions.php	193	0644	edit dl rm
rss.php	23208	0644	edit dl rm
script-loader.php	109605	0644	edit dl rm
session.php	243	0644	edit dl rm
shortcodes.php	21698	0644	edit dl rm
spl-autoload-compat.php	2574	0644	edit dl rm
taxonomy.php	156655	0644	edit dl rm
template-loader.php	2695	0644	edit dl rm
template.php	20828	0644	edit dl rm
theme.php	102301	0644	edit dl rm
update.php	25382	0644	edit dl rm
user.php	124086	0644	edit dl rm
vars.php	5715	0644	edit dl rm
version.php	762	0644	edit dl rm
widgets.php	57200	0644	edit dl rm
wlwmanifest.xml	1045	0644	edit dl rm
wp-db.php	101620	0644	edit dl rm
wp-diff.php	662	0644	edit dl rm

Edit: /home/desid573/public_html/magicride.ng/wp-includes/class-wp.php (24754B)

<?php
/**
 * WordPress environment setup class.
 *
 * @package WordPress
 * @since 2.0.0
 */
class WP {
	/**
	 * Public query variables.
	 *
	 * Long list of public query variables.
	 *
	 * @since 2.0.0
	 * @var string[]
	 */
	public $public_query_vars = array( 'm', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'pagename', 'page_id', 'error', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', 'cpage', 'post_type', 'embed' );

/**
	 * Private query variables.
	 *
	 * Long list of private query variables.
	 *
	 * @since 2.0.0
	 * @var string[]
	 */
	public $private_query_vars = array( 'offset', 'posts_per_page', 'posts_per_archive_page', 'showposts', 'nopaging', 'post_type', 'post_status', 'category__in', 'category__not_in', 'category__and', 'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'tag_id', 'post_mime_type', 'perm', 'comments_per_page', 'post__in', 'post__not_in', 'post_parent', 'post_parent__in', 'post_parent__not_in', 'title', 'fields' );

/**
	 * Extra query variables set by the user.
	 *
	 * @since 2.1.0
	 * @var array
	 */
	public $extra_query_vars = array();

/**
	 * Query variables for setting up the WordPress Query Loop.
	 *
	 * @since 2.0.0
	 * @var array
	 */
	public $query_vars;

/**
	 * String parsed to set the query variables.
	 *
	 * @since 2.0.0
	 * @var string
	 */
	public $query_string;

/**
	 * The request path, e.g. 2015/05/06.
	 *
	 * @since 2.0.0
	 * @var string
	 */
	public $request;

/**
	 * Rewrite rule the request matched.
	 *
	 * @since 2.0.0
	 * @var string
	 */
	public $matched_rule;

/**
	 * Rewrite query the request matched.
	 *
	 * @since 2.0.0
	 * @var string
	 */
	public $matched_query;

/**
	 * Whether already did the permalink.
	 *
	 * @since 2.0.0
	 * @var bool
	 */
	public $did_permalink = false;

/**
	 * Add name to list of public query variables.
	 *
	 * @since 2.1.0
	 *
	 * @param string $qv Query variable name.
	 */
	public function add_query_var( $qv ) {
		if ( ! in_array( $qv, $this->public_query_vars ) ) {
			$this->public_query_vars[] = $qv;
		}
	}

/**
	 * Removes a query variable from a list of public query variables.
	 *
	 * @since 4.5.0
	 *
	 * @param string $name Query variable name.
	 */
	public function remove_query_var( $name ) {
		$this->public_query_vars = array_diff( $this->public_query_vars, array( $name ) );
	}

/**
	 * Set the value of a query variable.
	 *
	 * @since 2.3.0
	 *
	 * @param string $key Query variable name.
	 * @param mixed $value Query variable value.
	 */
	public function set_query_var( $key, $value ) {
		$this->query_vars[ $key ] = $value;
	}

/**
	 * Parse request to find correct WordPress query.
	 *
	 * Sets up the query variables based on the request. There are also many
	 * filters and actions that can be used to further manipulate the result.
	 *
	 * @since 2.0.0
	 *
	 * @global WP_Rewrite $wp_rewrite
	 *
	 * @param array|string $extra_query_vars Set the extra query variables.
	 */
	public function parse_request( $extra_query_vars = '' ) {
		global $wp_rewrite;

/**
		 * Filters whether to parse the request.
		 *
		 * @since 3.5.0
		 *
		 * @param bool         $bool             Whether or not to parse the request. Default true.
		 * @param WP           $this             Current WordPress environment instance.
		 * @param array|string $extra_query_vars Extra passed query variables.
		 */
		if ( ! apply_filters( 'do_parse_request', true, $this, $extra_query_vars ) ) {
			return;
		}

$this->query_vars     = array();
		$post_type_query_vars = array();

if ( is_array( $extra_query_vars ) ) {
			$this->extra_query_vars = & $extra_query_vars;
		} elseif ( ! empty( $extra_query_vars ) ) {
			parse_str( $extra_query_vars, $this->extra_query_vars );
		}
		// Process PATH_INFO, REQUEST_URI, and 404 for permalinks.

// Fetch the rewrite rules.
		$rewrite = $wp_rewrite->wp_rewrite_rules();

if ( ! empty( $rewrite ) ) {
			// If we match a rewrite rule, this will be cleared.
			$error               = '404';
			$this->did_permalink = true;

$pathinfo         = isset( $_SERVER['PATH_INFO'] ) ? $_SERVER['PATH_INFO'] : '';
			list( $pathinfo ) = explode( '?', $pathinfo );
			$pathinfo         = str_replace( '%', '%25', $pathinfo );

list( $req_uri ) = explode( '?', $_SERVER['REQUEST_URI'] );
			$self            = $_SERVER['PHP_SELF'];
			$home_path       = trim( parse_url( home_url(), PHP_URL_PATH ), '/' );
			$home_path_regex = sprintf( '|^%s|i', preg_quote( $home_path, '|' ) );

// Trim path info from the end and the leading home path from the
			// front. For path info requests, this leaves us with the requesting
			// filename, if any. For 404 requests, this leaves us with the
			// requested permalink.
			$req_uri  = str_replace( $pathinfo, '', $req_uri );
			$req_uri  = trim( $req_uri, '/' );
			$req_uri  = preg_replace( $home_path_regex, '', $req_uri );
			$req_uri  = trim( $req_uri, '/' );
			$pathinfo = trim( $pathinfo, '/' );
			$pathinfo = preg_replace( $home_path_regex, '', $pathinfo );
			$pathinfo = trim( $pathinfo, '/' );
			$self     = trim( $self, '/' );
			$self     = preg_replace( $home_path_regex, '', $self );
			$self     = trim( $self, '/' );

// The requested permalink is in $pathinfo for path info requests and
			//  $req_uri for other requests.
			if ( ! empty( $pathinfo ) && ! preg_match( '|^.*' . $wp_rewrite->index . '$|', $pathinfo ) ) {
				$requested_path = $pathinfo;
			} else {
				// If the request uri is the index, blank it out so that we don't try to match it against a rule.
				if ( $req_uri == $wp_rewrite->index ) {
					$req_uri = '';
				}
				$requested_path = $req_uri;
			}
			$requested_file = $req_uri;

$this->request = $requested_path;

// Look for matches.
			$request_match = $requested_path;
			if ( empty( $request_match ) ) {
				// An empty request could only match against ^$ regex
				if ( isset( $rewrite['$'] ) ) {
					$this->matched_rule = '$';
					$query              = $rewrite['$'];
					$matches            = array( '' );
				}
			} else {
				foreach ( (array) $rewrite as $match => $query ) {
					// If the requested file is the anchor of the match, prepend it to the path info.
					if ( ! empty( $requested_file ) && strpos( $match, $requested_file ) === 0 && $requested_file != $requested_path ) {
						$request_match = $requested_file . '/' . $requested_path;
					}

if ( preg_match( "#^$match#", $request_match, $matches ) ||
						preg_match( "#^$match#", urldecode( $request_match ), $matches ) ) {

if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$matches\[([0-9]+)\]/', $query, $varmatch ) ) {
							// This is a verbose page match, let's check to be sure about it.
							$page = get_page_by_path( $matches[ $varmatch[1] ] );
							if ( ! $page ) {
								continue;
							}

$post_status_obj = get_post_status_object( $page->post_status );
							if ( ! $post_status_obj->public && ! $post_status_obj->protected
								&& ! $post_status_obj->private && $post_status_obj->exclude_from_search ) {
								continue;
							}
						}

// Got a match.
						$this->matched_rule = $match;
						break;
					}
				}
			}

if ( isset( $this->matched_rule ) ) {
				// Trim the query of everything up to the '?'.
				$query = preg_replace( '!^.+\?!', '', $query );

// Substitute the substring matches into the query.
				$query = addslashes( WP_MatchesMapRegex::apply( $query, $matches ) );

$this->matched_query = $query;

// Parse the query.
				parse_str( $query, $perma_query_vars );

// If we're processing a 404 request, clear the error var since we found something.
				if ( '404' == $error ) {
					unset( $error, $_GET['error'] );
				}
			}

// If req_uri is empty or if it is a request for ourself, unset error.
			if ( empty( $requested_path ) || $requested_file == $self || strpos( $_SERVER['PHP_SELF'], 'wp-admin/' ) !== false ) {
				unset( $error, $_GET['error'] );

if ( isset( $perma_query_vars ) && strpos( $_SERVER['PHP_SELF'], 'wp-admin/' ) !== false ) {
					unset( $perma_query_vars );
				}

$this->did_permalink = false;
			}
		}

/**
		 * Filters the query variables whitelist before processing.
		 *
		 * Allows (publicly allowed) query vars to be added, removed, or changed prior
		 * to executing the query. Needed to allow custom rewrite rules using your own arguments
		 * to work, or any other custom query variables you want to be publicly available.
		 *
		 * @since 1.5.0
		 *
		 * @param string[] $public_query_vars The array of whitelisted query variable names.
		 */
		$this->public_query_vars = apply_filters( 'query_vars', $this->public_query_vars );

foreach ( get_post_types( array(), 'objects' ) as $post_type => $t ) {
			if ( is_post_type_viewable( $t ) && $t->query_var ) {
				$post_type_query_vars[ $t->query_var ] = $post_type;
			}
		}

foreach ( $this->public_query_vars as $wpvar ) {
			if ( isset( $this->extra_query_vars[ $wpvar ] ) ) {
				$this->query_vars[ $wpvar ] = $this->extra_query_vars[ $wpvar ];
			} elseif ( isset( $_GET[ $wpvar ] ) && isset( $_POST[ $wpvar ] ) && $_GET[ $wpvar ] !== $_POST[ $wpvar ] ) {
				wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
			} elseif ( isset( $_POST[ $wpvar ] ) ) {
				$this->query_vars[ $wpvar ] = $_POST[ $wpvar ];
			} elseif ( isset( $_GET[ $wpvar ] ) ) {
				$this->query_vars[ $wpvar ] = $_GET[ $wpvar ];
			} elseif ( isset( $perma_query_vars[ $wpvar ] ) ) {
				$this->query_vars[ $wpvar ] = $perma_query_vars[ $wpvar ];
			}

if ( ! empty( $this->query_vars[ $wpvar ] ) ) {
				if ( ! is_array( $this->query_vars[ $wpvar ] ) ) {
					$this->query_vars[ $wpvar ] = (string) $this->query_vars[ $wpvar ];
				} else {
					foreach ( $this->query_vars[ $wpvar ] as $vkey => $v ) {
						if ( is_scalar( $v ) ) {
							$this->query_vars[ $wpvar ][ $vkey ] = (string) $v;
						}
					}
				}

if ( isset( $post_type_query_vars[ $wpvar ] ) ) {
					$this->query_vars['post_type'] = $post_type_query_vars[ $wpvar ];
					$this->query_vars['name']      = $this->query_vars[ $wpvar ];
				}
			}
		}

// Convert urldecoded spaces back into +
		foreach ( get_taxonomies( array(), 'objects' ) as $taxonomy => $t ) {
			if ( $t->query_var && isset( $this->query_vars[ $t->query_var ] ) ) {
				$this->query_vars[ $t->query_var ] = str_replace( ' ', '+', $this->query_vars[ $t->query_var ] );
			}
		}

// Don't allow non-publicly queryable taxonomies to be queried from the front end.
		if ( ! is_admin() ) {
			foreach ( get_taxonomies( array( 'publicly_queryable' => false ), 'objects' ) as $taxonomy => $t ) {
				/*
				 * Disallow when set to the 'taxonomy' query var.
				 * Non-publicly queryable taxonomies cannot register custom query vars. See register_taxonomy().
				 */
				if ( isset( $this->query_vars['taxonomy'] ) && $taxonomy === $this->query_vars['taxonomy'] ) {
					unset( $this->query_vars['taxonomy'], $this->query_vars['term'] );
				}
			}
		}

// Limit publicly queried post_types to those that are publicly_queryable
		if ( isset( $this->query_vars['post_type'] ) ) {
			$queryable_post_types = get_post_types( array( 'publicly_queryable' => true ) );
			if ( ! is_array( $this->query_vars['post_type'] ) ) {
				if ( ! in_array( $this->query_vars['post_type'], $queryable_post_types ) ) {
					unset( $this->query_vars['post_type'] );
				}
			} else {
				$this->query_vars['post_type'] = array_intersect( $this->query_vars['post_type'], $queryable_post_types );
			}
		}

// Resolve conflicts between posts with numeric slugs and date archive queries.
		$this->query_vars = wp_resolve_numeric_slug_conflicts( $this->query_vars );

foreach ( (array) $this->private_query_vars as $var ) {
			if ( isset( $this->extra_query_vars[ $var ] ) ) {
				$this->query_vars[ $var ] = $this->extra_query_vars[ $var ];
			}
		}

if ( isset( $error ) ) {
			$this->query_vars['error'] = $error;
		}

/**
		 * Filters the array of parsed query variables.
		 *
		 * @since 2.1.0
		 *
		 * @param array $query_vars The array of requested query variables.
		 */
		$this->query_vars = apply_filters( 'request', $this->query_vars );

/**
		 * Fires once all query variables for the current request have been parsed.
		 *
		 * @since 2.1.0
		 *
		 * @param WP $this Current WordPress environment instance (passed by reference).
		 */
		do_action_ref_array( 'parse_request', array( &$this ) );
	}

/**
	 * Sends additional HTTP headers for caching, content type, etc.
	 *
	 * Sets the Content-Type header. Sets the 'error' status (if passed) and optionally exits.
	 * If showing a feed, it will also send Last-Modified, ETag, and 304 status if needed.
	 *
	 * @since 2.0.0
	 * @since 4.4.0 `X-Pingback` header is added conditionally after posts have been queried in handle_404().
	 */
	public function send_headers() {
		$headers       = array();
		$status        = null;
		$exit_required = false;

if ( is_user_logged_in() ) {
			$headers = array_merge( $headers, wp_get_nocache_headers() );
		} elseif ( ! empty( $_GET['unapproved'] ) && ! empty( $_GET['moderation-hash'] ) ) {
			// Unmoderated comments are only visible for one minute via the moderation hash.
			$headers['Expires']       = gmdate( 'D, d M Y H:i:s', time() + MINUTE_IN_SECONDS );
			$headers['Cache-Control'] = 'max-age=60, must-revalidate';
		}
		if ( ! empty( $this->query_vars['error'] ) ) {
			$status = (int) $this->query_vars['error'];
			if ( 404 === $status ) {
				if ( ! is_user_logged_in() ) {
					$headers = array_merge( $headers, wp_get_nocache_headers() );
				}
				$headers['Content-Type'] = get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' );
			} elseif ( in_array( $status, array( 403, 500, 502, 503 ) ) ) {
				$exit_required = true;
			}
		} elseif ( empty( $this->query_vars['feed'] ) ) {
			$headers['Content-Type'] = get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' );
		} else {
			// Set the correct content type for feeds
			$type = $this->query_vars['feed'];
			if ( 'feed' == $this->query_vars['feed'] ) {
				$type = get_default_feed();
			}
			$headers['Content-Type'] = feed_content_type( $type ) . '; charset=' . get_option( 'blog_charset' );

// We're showing a feed, so WP is indeed the only thing that last changed.
			if ( ! empty( $this->query_vars['withcomments'] )
				|| false !== strpos( $this->query_vars['feed'], 'comments-' )
				|| ( empty( $this->query_vars['withoutcomments'] )
					&& ( ! empty( $this->query_vars['p'] )
						|| ! empty( $this->query_vars['name'] )
						|| ! empty( $this->query_vars['page_id'] )
						|| ! empty( $this->query_vars['pagename'] )
						|| ! empty( $this->query_vars['attachment'] )
						|| ! empty( $this->query_vars['attachment_id'] )
					)
				)
			) {
				$wp_last_modified = mysql2date( 'D, d M Y H:i:s', get_lastcommentmodified( 'GMT' ), false );
			} else {
				$wp_last_modified = mysql2date( 'D, d M Y H:i:s', get_lastpostmodified( 'GMT' ), false );
			}

if ( ! $wp_last_modified ) {
				$wp_last_modified = date( 'D, d M Y H:i:s' );
			}

$wp_last_modified .= ' GMT';

$wp_etag                  = '"' . md5( $wp_last_modified ) . '"';
			$headers['Last-Modified'] = $wp_last_modified;
			$headers['ETag']          = $wp_etag;

// Support for Conditional GET
			if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) ) {
				$client_etag = wp_unslash( $_SERVER['HTTP_IF_NONE_MATCH'] );
			} else {
				$client_etag = false;
			}

$client_last_modified = empty( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ? '' : trim( $_SERVER['HTTP_IF_MODIFIED_SINCE'] );
			// If string is empty, return 0. If not, attempt to parse into a timestamp
			$client_modified_timestamp = $client_last_modified ? strtotime( $client_last_modified ) : 0;

// Make a timestamp for our most recent modification...
			$wp_modified_timestamp = strtotime( $wp_last_modified );

if ( ( $client_last_modified && $client_etag ) ?
					( ( $client_modified_timestamp >= $wp_modified_timestamp ) && ( $client_etag == $wp_etag ) ) :
					( ( $client_modified_timestamp >= $wp_modified_timestamp ) || ( $client_etag == $wp_etag ) ) ) {
				$status        = 304;
				$exit_required = true;
			}
		}

/**
		 * Filters the HTTP headers before they're sent to the browser.
		 *
		 * @since 2.8.0
		 *
		 * @param string[] $headers Associative array of headers to be sent.
		 * @param WP       $this    Current WordPress environment instance.
		 */
		$headers = apply_filters( 'wp_headers', $headers, $this );

if ( ! empty( $status ) ) {
			status_header( $status );
		}

// If Last-Modified is set to false, it should not be sent (no-cache situation).
		if ( isset( $headers['Last-Modified'] ) && false === $headers['Last-Modified'] ) {
			unset( $headers['Last-Modified'] );

// In PHP 5.3+, make sure we are not sending a Last-Modified header.
			if ( function_exists( 'header_remove' ) ) {
				@header_remove( 'Last-Modified' );
			} else {
				// In PHP 5.2, send an empty Last-Modified header, but only as a
				// last resort to override a header already sent. #WP23021
				foreach ( headers_list() as $header ) {
					if ( 0 === stripos( $header, 'Last-Modified' ) ) {
						$headers['Last-Modified'] = '';
						break;
					}
				}
			}
		}

foreach ( (array) $headers as $name => $field_value ) {
			@header( "{$name}: {$field_value}" );
		}

if ( $exit_required ) {
			exit();
		}

/**
		 * Fires once the requested HTTP headers for caching, content type, etc. have been sent.
		 *
		 * @since 2.1.0
		 *
		 * @param WP $this Current WordPress environment instance (passed by reference).
		 */
		do_action_ref_array( 'send_headers', array( &$this ) );
	}

/**
	 * Sets the query string property based off of the query variable property.
	 *
	 * The {@see 'query_string'} filter is deprecated, but still works. Plugins should
	 * use the {@see 'request'} filter instead.
	 *
	 * @since 2.0.0
	 */
	public function build_query_string() {
		$this->query_string = '';
		foreach ( (array) array_keys( $this->query_vars ) as $wpvar ) {
			if ( '' != $this->query_vars[ $wpvar ] ) {
				$this->query_string .= ( strlen( $this->query_string ) < 1 ) ? '' : '&';
				if ( ! is_scalar( $this->query_vars[ $wpvar ] ) ) { // Discard non-scalars.
					continue;
				}
				$this->query_string .= $wpvar . '=' . rawurlencode( $this->query_vars[ $wpvar ] );
			}
		}

if ( has_filter( 'query_string' ) ) {  // Don't bother filtering and parsing if no plugins are hooked in.
			/**
			 * Filters the query string before parsing.
			 *
			 * @since 1.5.0
			 * @deprecated 2.1.0 Use 'query_vars' or 'request' filters instead.
			 *
			 * @param string $query_string The query string to modify.
			 */
			$this->query_string = apply_filters( 'query_string', $this->query_string );
			parse_str( $this->query_string, $this->query_vars );
		}
	}

/**
	 * Set up the WordPress Globals.
	 *
	 * The query_vars property will be extracted to the GLOBALS. So care should
	 * be taken when naming global variables that might interfere with the
	 * WordPress environment.
	 *
	 * @since 2.0.0
	 *
	 * @global WP_Query     $wp_query
	 * @global string       $query_string Query string for the loop.
	 * @global array        $posts The found posts.
	 * @global WP_Post|null $post The current post, if available.
	 * @global string       $request The SQL statement for the request.
	 * @global int          $more Only set, if single page or post.
	 * @global int          $single If single page or post. Only set, if single page or post.
	 * @global WP_User      $authordata Only set, if author archive.
	 */
	public function register_globals() {
		global $wp_query;

// Extract updated query vars back into global namespace.
		foreach ( (array) $wp_query->query_vars as $key => $value ) {
			$GLOBALS[ $key ] = $value;
		}

$GLOBALS['query_string'] = $this->query_string;
		$GLOBALS['posts']        = & $wp_query->posts;
		$GLOBALS['post']         = isset( $wp_query->post ) ? $wp_query->post : null;
		$GLOBALS['request']      = $wp_query->request;

if ( $wp_query->is_single() || $wp_query->is_page() ) {
			$GLOBALS['more']   = 1;
			$GLOBALS['single'] = 1;
		}

if ( $wp_query->is_author() && isset( $wp_query->post ) ) {
			$GLOBALS['authordata'] = get_userdata( $wp_query->post->post_author );
		}
	}

/**
	 * 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
	 */
	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
	 */
	public function handle_404() {
		global $wp_query;

/**
		 * Filters whether to short-circuit default header status handling.
		 *
		 * Returning a non-false value from the filter will short-circuit the handling
		 * and return early.
		 *
		 * @since 4.5.0
		 *
		 * @param bool     $preempt  Whether to short-circuit default header status handling. Default false.
		 * @param WP_Query $wp_query WordPress Query object.
		 */
		if ( false !== apply_filters( 'pre_handle_404', false, $wp_query ) ) {
			return;
		}

// If we've already issued a 404, bail.
		if ( is_404() ) {
			return;
		}

// Never 404 for the admin, robots, or if we found posts.
		if ( is_admin() || is_robots() || $wp_query->posts ) {

$success = true;
			if ( is_singular() ) {
				$p = false;

if ( $wp_query->post instanceof WP_Post ) {
					$p = clone $wp_query->post;
				}

// Only set X-Pingback for single posts that allow pings.
				if ( $p && pings_open( $p ) ) {
					@header( 'X-Pingback: ' . get_bloginfo( 'pingback_url', 'display' ) );
				}

// check for paged content that exceeds the max number of pages
				$next = '';
				if ( $p && false !== strpos( $p->post_content, $next ) && ! empty( $this->query_vars['page'] ) ) {
					$page    = trim( $this->query_vars['page'], '/' );
					$success = (int) $page <= ( substr_count( $p->post_content, $next ) + 1 );
				}
			}

if ( $success ) {
				status_header( 200 );
				return;
			}
		}

// We will 404 for paged queries, as no posts were found.
		if ( ! is_paged() ) {

// Don't 404 for authors without posts as long as they matched an author on this site.
			$author = get_query_var( 'author' );
			if ( is_author() && is_numeric( $author ) && $author > 0 && is_user_member_of_blog( $author ) ) {
				status_header( 200 );
				return;
			}

// Don't 404 for these queries if they matched an object.
			if ( ( is_tag() || is_category() || is_tax() || is_post_type_archive() ) && get_queried_object() ) {
				status_header( 200 );
				return;
			}

// Don't 404 for these queries either.
			if ( is_home() || is_search() || is_feed() ) {
				status_header( 200 );
				return;
			}
		}

// Guess it's time to 404.
		$wp_query->set_404();
		status_header( 404 );
		nocache_headers();
	}

/**
	 * 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();
		$this->parse_request( $query_args );
		$this->send_headers();
		$this->query_posts();
		$this->handle_404();
		$this->register_globals();

/**
		 * Fires once the WordPress environment has been set up.
		 *
		 * @since 2.1.0
		 *
		 * @param WP $this Current WordPress environment instance (passed by reference).
		 */
		do_action_ref_array( 'wp', array( &$this ) );
	}
}

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