Wordpress/wp-includes/classes.php

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<?php
class retrospam_mgr {
var $spam_words;
var $comments_list;
var $found_comments;
function retrospam_mgr() {
global $wpdb;
$list = explode("\n", get_settings('moderation_keys') );
$list = array_unique( $list );
$this->spam_words = $list;
$this->comment_list = $wpdb->get_results("SELECT comment_ID AS ID, comment_content AS text, comment_approved AS approved, comment_author_url AS url, comment_author_ip AS ip, comment_author_email AS email FROM $wpdb->comments ORDER BY comment_ID ASC");
} // End of class constructor
function move_spam( $id_list ) {
global $wpdb;
$cnt = 0;
$id_list = explode( ',', $id_list );
foreach ( $id_list as $comment ) {
if ( $wpdb->query("update $wpdb->comments set comment_approved = '0' where comment_ID = '$comment'") ) {
$cnt++;
}
}
echo "<div class='updated'><p>$cnt comment";
if ($cnt != 1 ) echo "s";
echo " moved to the moderation queue.</p></div>\n";
} // End function move_spam
function find_spam() {
$in_queue = 0;
foreach( $this->comment_list as $comment ) {
if( $comment->approved == 1 ) {
foreach( $this->spam_words as $word ) {
$word = trim($word);
if ( empty( $word ) )
continue;
$fulltext = strtolower($comment->email.' '.$comment->url.' '.$comment->ip.' '.$comment->text);
if( false !== strpos( $fulltext, strtolower($word) ) ) {
$this->found_comments[] = $comment->ID;
break;
}
}
} else {
$in_queue++;
}
}
return array( 'found' => $this->found_comments, 'in_queue' => $in_queue );
} // End function find_spam
function display_edit_form( $counters ) {
$numfound = count($counters[found]);
$numqueue = $counters[in_queue];
$body = '<p>' . sprintf(__('Suspected spam comments: <strong>%s</strong>'), $numfound) . '</p>';
if ( count($counters[found]) > 0 ) {
$id_list = implode( ',', $counters[found] );
$body .= '<p><a href="options-discussion.php?action=retrospam&amp;move=true&amp;ids='.$id_list.'">'. __('Move suspect comments to moderation queue &raquo;') . '</a></p>';
}
$head = '<div class="wrap"><h2>' . __('Check Comments Results:') . '</h2>';
$foot .= '<p><a href="options-discussion.php">' . __('&laquo; Return to Discussion Options page.') . '</a></p></div>';
return $head . $body . $foot;
} // End function display_edit_form
}
class WP {
var $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 's', 'search', 'exact', 'sentence', 'debug', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview');
var $private_query_vars = array('posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging', 'post_type');
var $extra_query_vars = array();
var $query_vars;
var $query_string;
var $request;
var $matched_rule;
var $matched_query;
var $did_permalink = false;
function add_query_var($qv) {
$this->public_query_vars[] = $qv;
}
function parse_request($extra_query_vars = '') {
global $wp_rewrite;
$this->query_vars = array();
if (! empty($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 = $_SERVER['PATH_INFO'];
$pathinfo_array = explode('?', $pathinfo);
$pathinfo = $pathinfo_array[0];
$req_uri = $_SERVER['REQUEST_URI'];
$req_uri_array = explode('?', $req_uri);
$req_uri = $req_uri_array[0];
$self = $_SERVER['PHP_SELF'];
$home_path = parse_url(get_settings('home'));
$home_path = $home_path['path'];
$home_path = trim($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|", '', $req_uri);
$req_uri = trim($req_uri, '/');
$pathinfo = trim($pathinfo, '/');
$pathinfo = preg_replace("|^$home_path|", '', $pathinfo);
$pathinfo = trim($pathinfo, '/');
$self = trim($self, '/');
$self = preg_replace("|^$home_path|", '', $self);
$self = str_replace($home_path, '', $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) ) {
$request = $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 = '';
$request = $req_uri;
}
$this->request = $request;
// Look for matches.
$request_match = $request;
foreach ($rewrite as $match => $query) {
// If the requesting file is the anchor of the match, prepend it
// to the path info.
if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0) && ($req_uri != $request)) {
$request_match = $req_uri . '/' . $request;
}
if (preg_match("!^$match!", $request_match, $matches) ||
preg_match("!^$match!", urldecode($request_match), $matches)) {
// Got a match.
$this->matched_rule = $match;
// Trim the query of everything up to the '?'.
$query = preg_replace("!^.+\?!", '', $query);
// Substitute the substring matches into the query.
eval("\$query = \"$query\";");
$this->matched_query = $query;
// Parse the query.
parse_str($query, $perma_query_vars);
// If we're processing a 404 request, clear the error var
// since we found something.
if (isset($_GET['error']))
unset($_GET['error']);
if (isset($error))
unset($error);
break;
}
}
// If req_uri is empty or if it is a request for ourself, unset error.
if ( empty($request) || $req_uri == $self || strstr($_SERVER['PHP_SELF'], 'wp-admin/') ) {
if (isset($_GET['error']))
unset($_GET['error']);
if (isset($error))
unset($error);
if ( isset($perma_query_vars) && strstr($_SERVER['PHP_SELF'], 'wp-admin/') )
unset($perma_query_vars);
$this->did_permalink = false;
}
}
$this->public_query_vars = apply_filters('query_vars', $this->public_query_vars);
for ($i=0; $i<count($this->public_query_vars); $i += 1) {
$wpvar = $this->public_query_vars[$i];
if (isset($this->extra_query_vars[$wpvar]))
$this->query_vars[$wpvar] = $this->extra_query_vars[$wpvar];
elseif (isset($GLOBALS[$wpvar]))
$this->query_vars[$wpvar] = $GLOBALS[$wpvar];
elseif (!empty($_POST[$wpvar]))
$this->query_vars[$wpvar] = $_POST[$wpvar];
elseif (!empty($_GET[$wpvar]))
$this->query_vars[$wpvar] = $_GET[$wpvar];
elseif (!empty($perma_query_vars[$wpvar]))
$this->query_vars[$wpvar] = $perma_query_vars[$wpvar];
else
$this->query_vars[$wpvar] = '';
}
for ($i=0; $i<count($this->private_query_vars); $i += 1) {
$wpvar = $this->private_query_vars[$i];
if (isset($this->extra_query_vars[$wpvar]))
$this->query_vars[$wpvar] = $this->extra_query_vars[$wpvar];
}
if ( isset($error) )
$this->query_vars['error'] = $error;
}
function send_headers() {
@header('X-Pingback: '. get_bloginfo('pingback_url'));
if ( is_user_logged_in() )
nocache_headers();
if ( !empty($this->query_vars['error']) && '404' == $this->query_vars['error'] ) {
status_header( 404 );
} else if ( empty($this->query_vars['feed']) ) {
@header('Content-type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
} else {
// We're showing a feed, so WP is indeed the only thing that last changed
if ( $this->query_vars['withcomments'] )
$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
else
$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
$wp_etag = '"' . md5($wp_last_modified) . '"';
@header("Last-Modified: $wp_last_modified");
@header("ETag: $wp_etag");
// Support for Conditional GET
if (isset($_SERVER['HTTP_IF_NONE_MATCH']))
$client_etag = stripslashes(stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
else $client_etag = false;
$client_last_modified = 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_header( 304 );
exit;
}
}
}
function build_query_string() {
$this->query_string = '';
foreach (array_keys($this->query_vars) as $wpvar) {
if ( '' != $this->query_vars[$wpvar] ) {
$this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';
$this->query_string .= $wpvar . '=' . rawurlencode($this->query_vars[$wpvar]);
}
}
foreach ($this->private_query_vars as $wpvar) {
if (isset($GLOBALS[$wpvar]) && '' != $GLOBALS[$wpvar] && ! isset($this->extra_query_vars[$wpvar]) ) {
$this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';
$this->query_string .= $wpvar . '=' . rawurlencode($GLOBALS[$wpvar]);
}
}
$this->query_string = apply_filters('query_string', $this->query_string);
}
function register_globals() {
global $wp_query;
// Extract updated query vars back into global namespace.
foreach ($wp_query->query_vars as $key => $value) {
$GLOBALS[$key] = $value;
}
$GLOBALS['query_string'] = & $this->query_string;
$GLOBALS['posts'] = & $wp_query->posts;
$GLOBALS['post'] = & $wp_query->post;
$GLOBALS['request'] = & $wp_query->request;
if ( is_single() || is_page() ) {
$GLOBALS['more'] = 1;
$GLOBALS['single'] = 1;
}
}
function init() {
wp_get_current_user();
}
function query_posts() {
$this->build_query_string();
query_posts($this->query_string);
}
function handle_404() {
global $wp_query;
// Issue a 404 if a permalink request doesn't match any posts. Don't
// issue a 404 if one was already issued, if the request was a search,
// or if the request was a regular query string request rather than a
// permalink request.
if ( (0 == count($wp_query->posts)) && !is_404() && !is_search() && ( $this->did_permalink || (!empty($_SERVER['QUERY_STRING']) && (false === strpos($_SERVER['REQUEST_URI'], '?'))) ) ) {
$wp_query->set_404();
status_header( 404 );
} elseif( is_404() != true ) {
status_header( 200 );
}
}
function main($query_args = '') {
$this->init();
$this->parse_request($query_args);
$this->send_headers();
$this->query_posts();
$this->handle_404();
$this->register_globals();
}
function WP() {
// Empty.
}
}
class WP_Error {
var $errors = array();
function WP_Error($code = '', $message = '') {
if ( ! empty($code) )
$this->errors[$code][] = $message;
}
function get_error_codes() {
if ( empty($this->errors) )
return array();
return array_keys($this->errors);
}
function get_error_code() {
$codes = $this->get_error_codes();
if ( empty($codes) )
return '';
return $codes[0];
}
function get_error_messages($code = '') {
// Return all messages if no code specified.
if ( empty($code) ) {
$all_messages = array();
foreach ( $this->errors as $code => $messages )
$all_messages = array_merge($all_messages, $messages);
return $all_messages;
}
if ( isset($this->errors[$code]) )
return $this->errors[$code];
else
return array();
}
function get_error_message($code = '') {
if ( empty($code) )
$code = $this->get_error_code();
$messages = $this->get_error_messages($code);
if ( empty($messages) )
return '';
return $messages[0];
}
function add($code, $message) {
$this->errors[$code][] = $message;
}
}
function is_wp_error($thing) {
if ( is_object($thing) && is_a($thing, 'WP_Error') )
return true;
return false;
}
// A class for displaying various tree-like structures. Extend the Walker class to use it, see examples at the bottom
class Walker {
var $tree_type;
var $db_fields;
//abstract callbacks
function start_lvl($output) { return $output; }
function end_lvl($output) { return $output; }
function start_el($output) { return $output; }
function end_el($output) { return $output; }
function walk($elements, $to_depth) {
$args = array_slice(func_get_args(), 2); $parents = array(); $depth = 1; $previous_element = ''; $output = '';
//padding at the end
$last_element->post_parent = 0;
$last_element->post_id = 0;
$elements[] = $last_element;
$id_field = $this->db_fields['id'];
$parent_field = $this->db_fields['parent'];
$flat = ($to_depth == -1) ? true : false;
foreach ( $elements as $element ) {
// If flat, start and end the element and skip the level checks.
if ( $flat) {
// Start the element.
if ( $element->$id_field != 0 ) {
$cb_args = array_merge( array($output, $element, $depth - 1), $args);
$output = call_user_func_array(array(&$this, 'start_el'), $cb_args);
}
// End the element.
if ( $element->$id_field != 0 ) {
$cb_args = array_merge( array($output, $element, $depth - 1), $args);
$output = call_user_func_array(array(&$this, 'end_el'), $cb_args);
}
continue;
}
// Walk the tree.
if ( !empty($previous_element) && ($element->$parent_field == $previous_element->$id_field) ) {
// Previous element is my parent. Descend a level.
array_unshift($parents, $previous_element);
$depth++; //always do this so when we start the element further down, we know where we are
if ( !$to_depth || ($depth < $to_depth) ) { //only descend if we're below $to_depth
$cb_args = array_merge( array($output, $depth - 1), $args);
$output = call_user_func_array(array(&$this, 'start_lvl'), $cb_args);
}
} else if ( $element->$parent_field == $previous_element->$parent_field) {
// On the same level as previous element.
if ( !$to_depth || ($depth <= $to_depth) ) {
$cb_args = array_merge( array($output, $previous_element, $depth - 1), $args);
$output = call_user_func_array(array(&$this, 'end_el'), $cb_args);
}
} else if ( $depth > 1 ) {
// Ascend one or more levels.
if ( !$to_depth || ($depth <= $to_depth) ) {
$cb_args = array_merge( array($output, $previous_element, $depth - 1), $args);
$output = call_user_func_array(array(&$this, 'end_el'), $cb_args);
}
while ( $parent = array_shift($parents) ) {
$depth--;
if ( !$to_depth || ($depth < $to_depth) ) {
$cb_args = array_merge( array($output, $depth - 1), $args);
$output = call_user_func_array(array(&$this, 'end_lvl'), $cb_args);
$cb_args = array_merge( array($output, $parent, $depth - 1), $args);
$output = call_user_func_array(array(&$this, 'end_el'), $cb_args);
}
if ( $element->$parent_field == $parents[0]->$id_field ) {
break;
}
}
} else if ( !empty($previous_element) ) {
// Close off previous element.
if ( !$to_depth || ($depth <= $to_depth) ) {
$cb_args = array_merge( array($output, $previous_element, $depth - 1), $args);
$output = call_user_func_array(array(&$this, 'end_el'), $cb_args);
}
}
// Start the element.
if ( !$to_depth || ($depth <= $to_depth) ) {
if ( $element->$id_field != 0 ) {
$cb_args = array_merge( array($output, $element, $depth - 1), $args);
$output = call_user_func_array(array(&$this, 'start_el'), $cb_args);
}
}
$previous_element = $element;
}
return $output;
}
}
class Walker_Page extends Walker {
var $tree_type = 'page';
var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID'); //TODO: decouple this
function start_lvl($output, $depth) {
$indent = str_repeat("\t", $depth);
$output .= "$indent<ul>\n";
return $output;
}
function end_lvl($output, $depth) {
$indent = str_repeat("\t", $depth);
$output .= "$indent</ul>\n";
return $output;
}
function start_el($output, $page, $depth, $current_page, $show_date, $date_format) {
if ( $depth )
$indent = str_repeat("\t", $depth);
$css_class = 'page_item';
if ( $page->ID == $current_page )
$css_class .= ' current_page_item';
$output .= $indent . '<li class="' . $css_class . '"><a href="' . get_page_link($page->ID) . '" title="' . wp_specialchars($page->post_title) . '">' . $page->post_title . '</a>';
if ( !empty($show_date) ) {
if ( 'modified' == $show_date )
$time = $page->post_modified;
else
$time = $page->post_date;
$output .= " " . mysql2date($date_format, $time);
}
return $output;
}
function end_el($output, $page, $depth) {
$output .= "</li>\n";
return $output;
}
}
class Walker_PageDropdown extends Walker {
var $tree_type = 'page';
var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID'); //TODO: decouple this
function start_el($output, $page, $depth, $args) {
$pad = str_repeat('&nbsp;', $depth * 3);
$output .= "\t<option value=\"$page->ID\"";
if ( $page->ID == $args['selected'] )
$output .= ' selected="selected"';
$output .= '>';
$title = wp_specialchars($page->post_title);
$output .= "$pad$title";
$output .= "</option>\n";
return $output;
}
}
class Walker_Category extends Walker {
var $tree_type = 'category';
var $db_fields = array ('parent' => 'category_parent', 'id' => 'cat_ID'); //TODO: decouple this
function start_lvl($output, $depth, $args) {
if ( 'list' != $args['style'] )
return $output;
$indent = str_repeat("\t", $depth);
$output .= "$indent<ul class='children'>\n";
return $output;
}
function end_lvl($output, $depth, $args) {
if ( 'list' != $args['style'] )
return $output;
$indent = str_repeat("\t", $depth);
$output .= "$indent</ul>\n";
return $output;
}
function start_el($output, $category, $depth, $args) {
extract($args);
$link = '<a href="' . get_category_link($category->cat_ID) . '" ';
if ( $use_desc_for_title == 0 || empty($category->category_description) )
$link .= 'title="'. sprintf(__("View all posts filed under %s"), wp_specialchars($category->cat_name)) . '"';
else
$link .= 'title="' . wp_specialchars(apply_filters('category_description',$category->category_description,$category)) . '"';
$link .= '>';
$link .= apply_filters('list_cats', $category->cat_name, $category).'</a>';
if ( (! empty($feed_image)) || (! empty($feed)) ) {
$link .= ' ';
if ( empty($feed_image) )
$link .= '(';
$link .= '<a href="' . get_category_rss_link(0, $category->cat_ID, $category->category_nicename) . '"';
if ( !empty($feed) ) {
$title = ' title="' . $feed . '"';
$alt = ' alt="' . $feed . '"';
$name = $feed;
$link .= $title;
}
$link .= '>';
if ( !empty($feed_image) )
$link .= "<img src='$feed_image' $alt$title" . ' />';
else
$link .= $name;
$link .= '</a>';
if (empty($feed_image))
$link .= ')';
}
if ( $show_count )
$link .= ' ('.intval($category->category_count).')';
if ( $show_date ) {
$link .= ' ' . gmdate('Y-m-d', $category->last_update_timestamp);
}
if ( 'list' == $args['style'] ) {
$output .= "\t<li";
if ( ($category->cat_ID == $current_category) && is_category() )
$output .= ' class="current-cat"';
$output .= ">$link\n";
} else {
$output .= "\t$link<br />\n";
}
return $output;
}
function end_el($output, $page, $depth, $args) {
if ( 'list' != $args['style'] )
return $output;
$output .= "</li>\n";
return $output;
}
}
class Walker_CategoryDropdown extends Walker {
var $tree_type = 'category';
var $db_fields = array ('parent' => 'category_parent', 'id' => 'cat_ID'); //TODO: decouple this
function start_el($output, $category, $depth, $args) {
$pad = str_repeat('&nbsp;', $depth * 3);
$cat_name = apply_filters('list_cats', $category->cat_name, $category);
$output .= "\t<option value=\"".$category->cat_ID."\"";
if ( $category->cat_ID == $args['selected'] )
$output .= ' selected="selected"';
$output .= '>';
$output .= $cat_name;
if ( $args['show_count'] )
$output .= '&nbsp;&nbsp;('. $category->category_count .')';
if ( $args['show_last_update'] ) {
$format = 'Y-m-d';
$output .= '&nbsp;&nbsp;' . gmdate($format, $category->last_update_timestamp);
}
$output .= "</option>\n";
return $output;
}
}
?>