<?php
class WP {
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', 'static', 'pagename', 'page_id', 'error', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', 'cpage', 'post_type', 'embed' );
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' );
public $extra_query_vars = array();
public $query_vars;
public $query_string;
public $request;
public $matched_rule;
public $matched_query;
public $did_permalink = false;
public function add_query_var($qv) {
if ( !in_array($qv, $this->public_query_vars) )
$this->public_query_vars[] = $qv;
}
public function remove_query_var( $name ) {
$this->public_query_vars = array_diff( $this->public_query_vars, array( $name ) );
}
public function set_query_var($key, $value) {
$this->query_vars[$key] = $value;
}
public function parse_request($extra_query_vars = '') {
global $wp_rewrite;
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 );
}
$rewrite = $wp_rewrite->wp_rewrite_rules();
if ( ! empty($rewrite) ) {
$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, '|' ) );
$req_uri = str_replace($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, '/');
if ( ! empty($pathinfo) && !preg_match('|^.*' . $wp_rewrite->index . '$|', $pathinfo) ) {
$requested_path = $pathinfo;
} else {
if ( $req_uri == $wp_rewrite->index )
$req_uri = '';
$requested_path = $req_uri;
}
$requested_file = $req_uri;
$this->request = $requested_path;
$request_match = $requested_path;
if ( empty( $request_match ) ) {
if ( isset( $rewrite['$'] ) ) {
$this->matched_rule = '$';
$query = $rewrite['$'];
$matches = array('');
}
} else {
foreach ( (array) $rewrite as $match => $query ) {
if ( ! empty($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 ) ) {
$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;
}
}
$this->matched_rule = $match;
break;
}
}
}
if ( isset( $this->matched_rule ) ) {
$query = preg_replace("!^.+\?!", '', $query);
$query = addslashes(WP_MatchesMapRegex::apply($query, $matches));
$this->matched_query = $query;
parse_str($query, $perma_query_vars);
if ( '404' == $error )
unset( $error, $_GET['error'] );
}
if ( empty($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;
}
}
$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( $_POST[$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_object( $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];
}
}
}
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] );
if ( ! is_admin() ) {
foreach ( get_taxonomies( array( 'publicly_queryable' => false ), 'objects' ) as $taxonomy => $t ) {
if ( isset( $this->query_vars['taxonomy'] ) && $taxonomy === $this->query_vars['taxonomy'] ) {
unset( $this->query_vars['taxonomy'], $this->query_vars['term'] );
}
}
}
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 );
}
}
$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;
$this->query_vars = apply_filters( 'request', $this->query_vars );
do_action_ref_array( 'parse_request', array( &$this ) );
}
public function send_headers() {
$headers = array();
$status = null;
$exit_required = false;
if ( is_user_logged_in() )
$headers = array_merge($headers, wp_get_nocache_headers());
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 {
$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' );
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'] = $wp_etag;
if (isset($_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']);
$client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
$wp_modified_timestamp = strtotime($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;
}
}
$headers = apply_filters( 'wp_headers', $headers, $this );
if ( ! empty( $status ) )
status_header( $status );
if ( isset( $headers['Last-Modified'] ) && false === $headers['Last-Modified'] ) {
unset( $headers['Last-Modified'] );
if ( function_exists( 'header_remove' ) ) {
@header_remove( 'Last-Modified' );
} else {
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 ( $exit_required )
exit();
do_action_ref_array( 'send_headers', array( &$this ) );
}
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]) )
continue;
$this->query_string .= $wpvar . '=' . rawurlencode($this->query_vars[$wpvar]);
}
}
if ( has_filter( 'query_string' ) ) {
$this->query_string = apply_filters( 'query_string', $this->query_string );
parse_str($this->query_string, $this->query_vars);
}
}
public function register_globals() {
global $wp_query;
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 );
}
public function init() {
wp_get_current_user();
}
public function query_posts() {
global $wp_the_query;
$this->build_query_string();
$wp_the_query->query($this->query_vars);
}
public function handle_404() {
global $wp_query;
if ( false !== apply_filters( 'pre_handle_404', false, $wp_query ) ) {
return;
}
if ( is_404() )
return;
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;
}
if ( $p && pings_open( $p ) ) {
@header( 'X-Pingback: ' . get_bloginfo( 'pingback_url', 'display' ) );
}
$next = '<!--nextpage-->';
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;
}
}
if ( ! is_paged() ) {
$author = get_query_var( 'author' );
if ( is_author() && is_numeric( $author ) && $author > 0 && is_user_member_of_blog( $author ) ) {
status_header( 200 );
return;
}
if ( ( is_tag() || is_category() || is_tax() || is_post_type_archive() ) && get_queried_object() ) {
status_header( 200 );
return;
}
if ( is_home() || is_search() || is_feed() ) {
status_header( 200 );
return;
}
}
$wp_query->set_404();
status_header( 404 );
nocache_headers();
}
public function main($query_args = '') {
$this->init();
$this->parse_request($query_args);
$this->send_headers();
$this->query_posts();
$this->handle_404();
$this->register_globals();
do_action_ref_array( 'wp', array( &$this ) );
}
}