-
+ B0975B8D1221ADB69A7508048202FB49DFEBE768A93B1CB3BF82253A6B97654F58AF9A3413E628103DC21B4E2F68EC226BB30B826568BBDF8798E8940672A290
mp-wp/wp-includes/comment.php

(0 . 0)(1 . 1626)
<?php^M
/**^M
 * Manages WordPress comments^M
 *^M
 * @package WordPress^M
 * @subpackage Comment^M
 */^M
^M
/**^M
 * Checks whether a comment passes internal checks to be allowed to add.^M
 *^M
 * If comment moderation is set in the administration, then all comments,^M
 * regardless of their type and whitelist will be set to false. If the number of^M
 * links exceeds the amount in the administration, then the check fails. If any^M
 * of the parameter contents match the blacklist of words, then the check fails.^M
 *^M
 * If the number of links exceeds the amount in the administration, then the^M
 * check fails. If any of the parameter contents match the blacklist of words,^M
 * then the check fails.^M
 *^M
 * If the comment is a trackback and part of the blogroll, then the trackback is^M
 * automatically whitelisted. If the comment author was approved before, then^M
 * the comment is automatically whitelisted.^M
 *^M
 * If none of the checks fail, then the failback is to set the check to pass^M
 * (return true).^M
 *^M
 * @since 1.2.0^M
 * @uses $wpdb^M
 *^M
 * @param string $author Comment Author's name^M
 * @param string $email Comment Author's email^M
 * @param string $url Comment Author's URL^M
 * @param string $comment Comment contents^M
 * @param string $user_ip Comment Author's IP address^M
 * @param string $user_agent Comment Author's User Agent^M
 * @param string $comment_type Comment type, either user submitted comment,^M
 *		trackback, or pingback^M
 * @return bool Whether the checks passed (true) and the comments should be^M
 *		displayed or set to moderated^M
 */^M
function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {^M
	global $wpdb;^M
^M
	if ( 1 == get_option('comment_moderation') ) return 0; // If moderation is set to manual^M
^M
		$textchk = apply_filters('comment_text', $comment);^M
		$linkcount = preg_match_all("|(href\t*?=\t*?['\"]?)?(https?:)?//|i", $textchk, $out);^M
		$plinkcount = preg_match_all("|(href\t*?=\t*?['\"]?)?(https?:)?//trilema\.com/|i",$textchk , $out);^M
		$linkcount_result = $linkcount - $plinkcount;^M
^M
	$mod_keys = trim(get_option('moderation_keys'));^M
	if ( !empty($mod_keys) ) {^M
		$words = explode("\n", $mod_keys );^M
^M
		foreach ( (array) $words as $word) {^M
			$word = trim($word);^M
^M
			// Skip empty lines^M
			if ( empty($word) )^M
				continue;^M
^M
			// Do some escaping magic so that '#' chars in the^M
			// spam words don't break things:^M
			$word = preg_quote($word, '#');^M
^M
			$pattern = "#$word#i";^M
			if ( preg_match($pattern, $author) ) return 0;^M
			if ( preg_match($pattern, $email) ) return 0;^M
			if ( preg_match($pattern, $url) ) return 0;^M
			if ( preg_match($pattern, $comment) ) return 0;^M
			if ( preg_match($pattern, $user_ip) ) return 0;^M
			if ( preg_match($pattern, $user_agent) ) return 0;^M
		}^M
	}^M
^M
	// Comment whitelisting:^M
	if ( 1 == get_option('comment_whitelist')) {^M
		if ( 'trackback' == $comment_type || 'pingback' == $comment_type ) { // check if domain is in blogroll^M
			$uri = parse_url($url);^M
			$domain = $uri['host'];^M
			$uri = parse_url( get_option('home') );^M
			$home_domain = $uri['host'];^M
			if ( $wpdb->get_var($wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_url LIKE (%s) LIMIT 1", '%'.$domain.'%')) || $domain == $home_domain )^M
				return 1;^M
			else^M
				return 0;^M
		} elseif ( $author != '' && $email != '' ) {^M
			// expected_slashed ($author, $email)^M
			$ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1");^M
			if ( ( 1 == $ok_to_comment ) &&^M
				( empty($mod_keys) || false === strpos( $email, $mod_keys) )  ) ^M
					if ($linkcount_result == 0) return 1; else return 0;^M
			else 	if ($linkcount_result > 1) return "spam"; else return 0;^M
		} else return 0;^M
	}^M
	return 1;^M
}^M
^M
/**^M
 * Retrieve the approved comments for post $post_id.^M
 *^M
 * @since 2.0.0^M
 * @uses $wpdb^M
 *^M
 * @param int $post_id The ID of the post^M
 * @return array $comments The approved comments^M
 */^M
function get_approved_comments($post_id) {^M
	global $wpdb;^M
	return $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' ORDER BY comment_date", $post_id));^M
}^M
^M
/**^M
 * Retrieves comment data given a comment ID or comment object.^M
 *^M
 * If an object is passed then the comment data will be cached and then returned^M
 * after being passed through a filter. If the comment is empty, then the global^M
 * comment variable will be used, if it is set.^M
 *^M
 * If the comment is empty, then the global comment variable will be used, if it^M
 * is set.^M
 *^M
 * @since 2.0.0^M
 * @uses $wpdb^M
 *^M
 * @param object|string|int $comment Comment to retrieve.^M
 * @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants.^M
 * @return object|array|null Depends on $output value.^M
 */^M
function &get_comment(&$comment, $output = OBJECT) {^M
	global $wpdb;^M
^M
	if ( empty($comment) ) {^M
		if ( isset($GLOBALS['comment']) )^M
			$_comment = & $GLOBALS['comment'];^M
		else^M
			$_comment = null;^M
	} elseif ( is_object($comment) ) {^M
		wp_cache_add($comment->comment_ID, $comment, 'comment');^M
		$_comment = $comment;^M
	} else {^M
		if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) {^M
			$_comment = & $GLOBALS['comment'];^M
		} elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) {^M
			$_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment));^M
			wp_cache_add($_comment->comment_ID, $_comment, 'comment');^M
		}^M
	}^M
^M
	$_comment = apply_filters('get_comment', $_comment);^M
^M
	if ( $output == OBJECT ) {^M
		return $_comment;^M
	} elseif ( $output == ARRAY_A ) {^M
		$__comment = get_object_vars($_comment);^M
		return $__comment;^M
	} elseif ( $output == ARRAY_N ) {^M
		$__comment = array_values(get_object_vars($_comment));^M
		return $__comment;^M
	} else {^M
		return $_comment;^M
	}^M
}^M
^M
/**^M
 * Retrieve a list of comments.^M
 *^M
 * The list of comment arguments are 'status', 'orderby', 'comment_date_gmt',^M
 * 'order', 'number', 'offset', and 'post_id'.^M
 *^M
 * @since 2.7.0^M
 * @uses $wpdb^M
 *^M
 * @param mixed $args Optional. Array or string of options to override defaults.^M
 * @return array List of comments.^M
 */^M
function get_comments( $args = '' ) {^M
	global $wpdb;^M
^M
	$defaults = array('status' => '', 'orderby' => 'comment_date_gmt', 'order' => 'DESC', 'number' => '', 'offset' => '', 'post_id' => 0);^M
^M
	$args = wp_parse_args( $args, $defaults );^M
	extract( $args, EXTR_SKIP );^M
^M
	// $args can be whatever, only use the args defined in defaults to compute the key^M
	$key = md5( serialize( compact(array_keys($defaults)) )  );^M
	$last_changed = wp_cache_get('last_changed', 'comment');^M
	if ( !$last_changed ) {^M
		$last_changed = time();^M
		wp_cache_set('last_changed', $last_changed, 'comment');^M
	}^M
	$cache_key = "get_comments:$key:$last_changed";^M
^M
	if ( $cache = wp_cache_get( $cache_key, 'comment' ) ) {^M
		return $cache;^M
	}^M
^M
	$post_id = absint($post_id);^M
^M
	if ( 'hold' == $status )^M
		$approved = "comment_approved = '0'";^M
	elseif ( 'approve' == $status )^M
		$approved = "comment_approved = '1'";^M
	elseif ( 'spam' == $status )^M
		$approved = "comment_approved = 'spam'";^M
	else^M
		$approved = "( comment_approved = '0' OR comment_approved = '1' )";^M
^M
	$order = ( 'ASC' == $order ) ? 'ASC' : 'DESC';^M
^M
	$orderby = 'comment_date_gmt';  // Hard code for now^M
^M
	$number = absint($number);^M
	$offset = absint($offset);^M
^M
	if ( !empty($number) ) {^M
		if ( $offset )^M
			$number = 'LIMIT ' . $offset . ',' . $number;^M
		else^M
			$number = 'LIMIT ' . $number;^M
^M
	} else {^M
		$number = '';^M
	}^M
^M
	if ( ! empty($post_id) )^M
		$post_where = $wpdb->prepare( 'comment_post_ID = %d AND', $post_id );^M
	else^M
		$post_where = '';^M
^M
	$comments = $wpdb->get_results( "SELECT * FROM $wpdb->comments WHERE $post_where $approved ORDER BY $orderby $order $number" );^M
	wp_cache_add( $cache_key, $comments, 'comment' );^M
^M
	return $comments;^M
}^M
^M
/**^M
 * Retrieve all of the WordPress supported comment statuses.^M
 *^M
 * Comments have a limited set of valid status values, this provides the comment^M
 * status values and descriptions.^M
 *^M
 * @package WordPress^M
 * @subpackage Post^M
 * @since 2.7.0^M
 *^M
 * @return array List of comment statuses.^M
 */^M
function get_comment_statuses( ) {^M
	$status = array(^M
		'hold'		=> __('Unapproved'),^M
		'approve'	=> __('Approved'),^M
		'spam'		=> _c('Spam|adjective'),^M
	);^M
^M
	return $status;^M
}^M
^M
^M
/**^M
 * The date the last comment was modified.^M
 *^M
 * @since 1.5.0^M
 * @uses $wpdb^M
 * @global array $cache_lastcommentmodified^M
 *^M
 * @param string $timezone Which timezone to use in reference to 'gmt', 'blog',^M
 *		or 'server' locations.^M
 * @return string Last comment modified date.^M
 */^M
function get_lastcommentmodified($timezone = 'server') {^M
	global $cache_lastcommentmodified, $wpdb;^M
^M
	if ( isset($cache_lastcommentmodified[$timezone]) )^M
		return $cache_lastcommentmodified[$timezone];^M
^M
	$add_seconds_server = date('Z');^M
^M
	switch ( strtolower($timezone)) {^M
		case 'gmt':^M
			$lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");^M
			break;^M
		case 'blog':^M
			$lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");^M
			break;^M
		case 'server':^M
			$lastcommentmodified = $wpdb->get_var($wpdb->prepare("SELECT DATE_ADD(comment_date_gmt, INTERVAL %s SECOND) FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1", $add_seconds_server));^M
			break;^M
	}^M
^M
	$cache_lastcommentmodified[$timezone] = $lastcommentmodified;^M
^M
	return $lastcommentmodified;^M
}^M
^M
/**^M
 * The amount of comments in a post or total comments.^M
 *^M
 * A lot like {@link wp_count_comments()}, in that they both return comment^M
 * stats (albeit with different types). The {@link wp_count_comments()} actual^M
 * caches, but this function does not.^M
 *^M
 * @since 2.0.0^M
 * @uses $wpdb^M
 *^M
 * @param int $post_id Optional. Comment amount in post if > 0, else total comments blog wide.^M
 * @return array The amount of spam, approved, awaiting moderation, and total comments.^M
 */^M
function get_comment_count( $post_id = 0 ) {^M
	global $wpdb;^M
^M
	$post_id = (int) $post_id;^M
^M
	$where = '';^M
	if ( $post_id > 0 ) {^M
		$where = $wpdb->prepare("WHERE comment_post_ID = %d", $post_id);^M
	}^M
^M
	$totals = (array) $wpdb->get_results("^M
		SELECT comment_approved, COUNT( * ) AS total^M
		FROM {$wpdb->comments}^M
		{$where}^M
		GROUP BY comment_approved^M
	", ARRAY_A);^M
^M
	$comment_count = array(^M
		"approved"              => 0,^M
		"awaiting_moderation"   => 0,^M
		"spam"                  => 0,^M
		"total_comments"        => 0^M
	);^M
^M
	foreach ( $totals as $row ) {^M
		switch ( $row['comment_approved'] ) {^M
			case 'spam':^M
				$comment_count['spam'] = $row['total'];^M
				$comment_count["total_comments"] += $row['total'];^M
				break;^M
			case 1:^M
				$comment_count['approved'] = $row['total'];^M
				$comment_count['total_comments'] += $row['total'];^M
				break;^M
			case 0:^M
				$comment_count['awaiting_moderation'] = $row['total'];^M
				$comment_count['total_comments'] += $row['total'];^M
				break;^M
			default:^M
				break;^M
		}^M
	}^M
^M
	return $comment_count;^M
}^M
^M
/**^M
 * Sanitizes the cookies sent to the user already.^M
 *^M
 * Will only do anything if the cookies have already been created for the user.^M
 * Mostly used after cookies had been sent to use elsewhere.^M
 *^M
 * @since 2.0.4^M
 */^M
function sanitize_comment_cookies() {^M
	if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) {^M
		$comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_'.COOKIEHASH]);^M
		$comment_author = stripslashes($comment_author);^M
		$comment_author = attribute_escape($comment_author);^M
		$_COOKIE['comment_author_'.COOKIEHASH] = $comment_author;^M
	}^M
^M
	if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) {^M
		$comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_'.COOKIEHASH]);^M
		$comment_author_email = stripslashes($comment_author_email);^M
		$comment_author_email = attribute_escape($comment_author_email);^M
		$_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email;^M
	}^M
^M
	if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) {^M
		$comment_author_url = apply_filters('pre_comment_author_url', $_COOKIE['comment_author_url_'.COOKIEHASH]);^M
		$comment_author_url = stripslashes($comment_author_url);^M
		$_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url;^M
	}^M
}^M
^M
/**^M
 * Validates whether this comment is allowed to be made or not.^M
 *^M
 * @since 2.0.0^M
 * @uses $wpdb^M
 * @uses apply_filters() Calls 'pre_comment_approved' hook on the type of comment^M
 * @uses do_action() Calls 'check_comment_flood' hook on $comment_author_IP, $comment_author_email, and $comment_date_gmt^M
 *^M
 * @param array $commentdata Contains information on the comment^M
 * @return mixed Signifies the approval status (0|1|'spam')^M
 */^M
function wp_allow_comment($commentdata) {^M
	global $wpdb;^M
	extract($commentdata, EXTR_SKIP);^M
^M
	// Simple duplicate check^M
	// expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content)^M
	$dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$comment_author' ";^M
	if ( $comment_author_email )^M
		$dupe .= "OR comment_author_email = '$comment_author_email' ";^M
	$dupe .= ") AND comment_content = '$comment_content' LIMIT 1";^M
	if ( $wpdb->get_var($dupe) ) {^M
		if ( defined('DOING_AJAX') )^M
			die( __('Duplicate comment detected; it looks as though you\'ve already said that!') );^M
^M
		wp_die( __('Duplicate comment detected; it looks as though you\'ve already said that!') );^M
	}^M
^M
	do_action( 'check_comment_flood', $comment_author_IP, $comment_author_email, $comment_date_gmt );^M
^M
	if ( $user_id ) {^M
		$userdata = get_userdata($user_id);^M
		$user = new WP_User($user_id);^M
		$post_author = $wpdb->get_var($wpdb->prepare("SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1", $comment_post_ID));^M
	}^M
^M
	if ( isset($userdata) && ( $user_id == $post_author || $user->has_cap('moderate_comments') ) ) {^M
		// The author and the admins get respect.^M
		$approved = 1;^M
	 } else {^M
		// Everyone else's comments will be checked.^M
^M
// Rewritten nov 2013 to make linky spam go straight to spam.^M
^M
		$approved = check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type);^M
^M
		if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) ) $approved = 'spam';^M
^M
	}^M
	^M
	$approved = apply_filters('pre_comment_approved', $approved);^M
	return $approved;^M
}^M
^M
/**^M
 * Check whether comment flooding is occurring.^M
 *^M
 * Won't run, if current user can manage options, so to not block^M
 * administrators.^M
 *^M
 * @since 2.3.0^M
 * @uses $wpdb^M
 * @uses apply_filters() Calls 'comment_flood_filter' filter with first^M
 *		parameter false, last comment timestamp, new comment timestamp.^M
 * @uses do_action() Calls 'comment_flood_trigger' action with parameters with^M
 *		last comment timestamp and new comment timestamp.^M
 *^M
 * @param string $ip Comment IP.^M
 * @param string $email Comment author email address.^M
 * @param string $date MySQL time string.^M
 */^M
function check_comment_flood_db( $ip, $email, $date ) {^M
	global $wpdb;^M
	if ( current_user_can( 'manage_options' ) )^M
		return; // don't throttle admins^M
	if ( $lasttime = $wpdb->get_var( $wpdb->prepare("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = %s OR comment_author_email = %s ORDER BY comment_date DESC LIMIT 1", $ip, $email) ) ) {^M
		$time_lastcomment = mysql2date('U', $lasttime);^M
		$time_newcomment  = mysql2date('U', $date);^M
		$flood_die = apply_filters('comment_flood_filter', false, $time_lastcomment, $time_newcomment);^M
		if ( $flood_die ) {^M
			do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment);^M
^M
			if ( defined('DOING_AJAX') )^M
				die( __('You are posting comments too quickly.  Slow down.') );^M
^M
			wp_die( __('You are posting comments too quickly.  Slow down.'), '', array('response' => 403) );^M
		}^M
	}^M
}^M
^M
/**^M
 * Separates an array of comments into an array keyed by comment_type.^M
 *^M
 * @since 2.7.0^M
 *^M
 * @param array $comments Array of comments^M
 * @return array Array of comments keyed by comment_type.^M
 */^M
function &separate_comments(&$comments) {^M
	$comments_by_type = array('comment' => array(), 'trackback' => array(), 'pingback' => array(), 'pings' => array());^M
	$count = count($comments);^M
	for ( $i = 0; $i < $count; $i++ ) {^M
		$type = $comments[$i]->comment_type;^M
		if ( empty($type) )^M
			$type = 'comment';^M
		$comments_by_type[$type][] = &$comments[$i];^M
		if ( 'trackback' == $type || 'pingback' == $type )^M
			$comments_by_type['pings'][] = &$comments[$i];^M
	}^M
^M
	return $comments_by_type;^M
}^M
^M
/**^M
 * Calculate the total number of comment pages.^M
 *^M
 * @since 2.7.0^M
 * @uses get_query_var() Used to fill in the default for $per_page parameter.^M
 * @uses get_option() Used to fill in defaults for parameters.^M
 * @uses Walker_Comment^M
 *^M
 * @param array $comments Optional array of comment objects.  Defaults to $wp_query->comments^M
 * @param int $per_page Optional comments per page.^M
 * @param boolean $threaded Optional control over flat or threaded comments.^M
 * @return int Number of comment pages.^M
 */^M
function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) {^M
	global $wp_query;^M
^M
	if ( null === $comments && null === $per_page && null === $threaded && !empty($wp_query->max_num_comment_pages) )^M
		return $wp_query->max_num_comment_pages;^M
^M
	if ( !$comments || !is_array($comments) )^M
		$comments = $wp_query->comments;^M
^M
	if ( empty($comments) )^M
		return 0;^M
^M
	if ( !isset($per_page) )^M
		$per_page = (int) get_query_var('comments_per_page');^M
	if ( 0 === $per_page )^M
		$per_page = (int) get_option('comments_per_page');^M
	if ( 0 === $per_page )^M
		return 1;^M
^M
	if ( !isset($threaded) )^M
		$threaded = get_option('thread_comments');^M
^M
	if ( $threaded ) {^M
		$walker = new Walker_Comment;^M
		$count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page );^M
	} else {^M
		$count = ceil( count( $comments ) / $per_page );^M
	}^M
^M
	return $count;^M
}^M
^M
/**^M
 * Calculate what page number a comment will appear on for comment paging.^M
 *^M
 * @since 2.7.0^M
 * @uses get_comment() Gets the full comment of the $comment_ID parameter.^M
 * @uses get_option() Get various settings to control function and defaults.^M
 * @uses get_page_of_comment() Used to loop up to top level comment.^M
 *^M
 * @param int $comment_ID Comment ID.^M
 * @param array $args Optional args.^M
 * @return int|null Comment page number or null on error.^M
 */^M
function get_page_of_comment( $comment_ID, $args = array() ) {^M
	global $wpdb;^M
^M
	if ( !$comment = get_comment( $comment_ID ) )^M
		return;^M
^M
	$defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );^M
	$args = wp_parse_args( $args, $defaults );^M
^M
	if ( '' === $args['per_page'] && get_option('page_comments') )^M
		$args['per_page'] = get_query_var('comments_per_page');^M
	if ( empty($args['per_page']) ) {^M
		$args['per_page'] = 0;^M
		$args['page'] = 0;^M
	}^M
	if ( $args['per_page'] < 1 )^M
		return 1;^M
^M
	if ( '' === $args['max_depth'] ) {^M
		if ( get_option('thread_comments') )^M
			$args['max_depth'] = get_option('thread_comments_depth');^M
		else^M
			$args['max_depth'] = -1;^M
	}^M
^M
	// Find this comment's top level parent if threading is enabled^M
	if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent )^M
		return get_page_of_comment( $comment->comment_parent, $args );^M
^M
	$allowedtypes = array(^M
		'comment' => '',^M
		'pingback' => 'pingback',^M
		'trackback' => 'trackback',^M
	);^M
^M
	$comtypewhere = ( 'all' != $args['type'] && isset($allowedtypes[$args['type']]) ) ? " AND comment_type = '" . $allowedtypes[$args['type']] . "'" : '';^M
^M
	// Count comments older than this one^M
	$oldercoms = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = 0 AND comment_date_gmt < '%s'" . $comtypewhere, $comment->comment_post_ID, $comment->comment_date_gmt ) );^M
^M
	// No older comments? Then it's page #1.^M
	if ( 0 == $oldercoms )^M
		return 1;^M
^M
	// Divide comments older than this one by comments per page to get this comment's page number^M
	return ceil( ( $oldercoms + 1 ) / $args['per_page'] );^M
}^M
^M
/**^M
 * Does comment contain blacklisted characters or words.^M
 *^M
 * @since 1.5.0^M
 * @uses do_action() Calls 'wp_blacklist_check' hook for all parameters.^M
 *^M
 * @param string $author The author of the comment^M
 * @param string $email The email of the comment^M
 * @param string $url The url used in the comment^M
 * @param string $comment The comment content^M
 * @param string $user_ip The comment author IP address^M
 * @param string $user_agent The author's browser user agent^M
 * @return bool True if comment contains blacklisted content, false if comment does not^M
 */^M
function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {^M
	do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent);^M
^M
	if ( preg_match_all('/&#(\d+);/', $comment . $author . $url, $chars) ) {^M
		foreach ( (array) $chars[1] as $char ) {^M
			// If it's an encoded char in the normal ASCII set, reject^M
			if ( 38 == $char )^M
				continue; // Unless it's &^M
			if ( $char < 128 )^M
				return true;^M
		}^M
	}^M
^M
	$mod_keys = trim( get_option('blacklist_keys') );^M
	if ( '' == $mod_keys )^M
		return false; // If moderation keys are empty^M
	$words = explode("\n", $mod_keys );^M
^M
	foreach ( (array) $words as $word ) {^M
		$word = trim($word);^M
^M
		// Skip empty lines^M
		if ( empty($word) ) { continue; }^M
^M
		// Do some escaping magic so that '#' chars in the^M
		// spam words don't break things:^M
		$word = preg_quote($word, '#');^M
^M
		$pattern = "#$word#i";^M
		if (^M
			   preg_match($pattern, $author)^M
			|| preg_match($pattern, $email)^M
			|| preg_match($pattern, $url)^M
			|| preg_match($pattern, $comment)^M
			|| preg_match($pattern, $user_ip)^M
			|| preg_match($pattern, $user_agent)^M
		 )^M
			return true;^M
	}^M
	return false;^M
}^M
^M
/**^M
 * Retrieve total comments for blog or single post.^M
 *^M
 * The properties of the returned object contain the 'moderated', 'approved',^M
 * and spam comments for either the entire blog or single post. Those properties^M
 * contain the amount of comments that match the status. The 'total_comments'^M
 * property contains the integer of total comments.^M
 *^M
 * The comment stats are cached and then retrieved, if they already exist in the^M
 * cache.^M
 *^M
 * @since 2.5.0^M
 *^M
 * @param int $post_id Optional. Post ID.^M
 * @return object Comment stats.^M
 */^M
function wp_count_comments( $post_id = 0 ) {^M
	global $wpdb;^M
^M
	$post_id = (int) $post_id;^M
^M
	$stats = apply_filters('wp_count_comments', array(), $post_id);^M
	if ( !empty($stats) )^M
		return $stats;^M
^M
	$count = wp_cache_get("comments-{$post_id}", 'counts');^M
^M
	if ( false !== $count )^M
		return $count;^M
^M
	$where = '';^M
	if( $post_id > 0 )^M
		$where = $wpdb->prepare( "WHERE comment_post_ID = %d", $post_id );^M
^M
	$count = $wpdb->get_results( "SELECT comment_approved, COUNT( * ) AS num_comments FROM {$wpdb->comments} {$where} GROUP BY comment_approved", ARRAY_A );^M
^M
	$total = 0;^M
	$approved = array('0' => 'moderated', '1' => 'approved', 'spam' => 'spam');^M
	$known_types = array_keys( $approved );^M
	foreach( (array) $count as $row_num => $row ) {^M
		$total += $row['num_comments'];^M
		if ( in_array( $row['comment_approved'], $known_types ) )^M
			$stats[$approved[$row['comment_approved']]] = $row['num_comments'];^M
	}^M
^M
	$stats['total_comments'] = $total;^M
	foreach ( $approved as $key ) {^M
		if ( empty($stats[$key]) )^M
			$stats[$key] = 0;^M
	}^M
^M
	$stats = (object) $stats;^M
	wp_cache_set("comments-{$post_id}", $stats, 'counts');^M
^M
	return $stats;^M
}^M
^M
/**^M
 * Removes comment ID and maybe updates post comment count.^M
 *^M
 * The post comment count will be updated if the comment was approved and has a^M
 * post ID available.^M
 *^M
 * @since 2.0.0^M
 * @uses $wpdb^M
 * @uses do_action() Calls 'delete_comment' hook on comment ID^M
 * @uses do_action() Calls 'wp_set_comment_status' hook on comment ID with 'delete' set for the second parameter^M
 * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object^M
 *^M
 * @param int $comment_id Comment ID^M
 * @return bool False if delete comment query failure, true on success.^M
 */^M
function wp_delete_comment($comment_id) {^M
	global $wpdb;^M
	do_action('delete_comment', $comment_id);^M
^M
	$comment = get_comment($comment_id);^M
^M
	if ( ! $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment_id) ) )^M
		return false;^M
^M
	$post_id = $comment->comment_post_ID;^M
	if ( $post_id && $comment->comment_approved == 1 )^M
		wp_update_comment_count($post_id);^M
^M
	clean_comment_cache($comment_id);^M
^M
	do_action('wp_set_comment_status', $comment_id, 'delete');^M
	wp_transition_comment_status('delete', $comment->comment_approved, $comment);^M
	return true;^M
}^M
^M
/**^M
 * The status of a comment by ID.^M
 *^M
 * @since 1.0.0^M
 *^M
 * @param int $comment_id Comment ID^M
 * @return string|bool Status might be 'deleted', 'approved', 'unapproved', 'spam'. False on failure.^M
 */^M
function wp_get_comment_status($comment_id) {^M
	$comment = get_comment($comment_id);^M
	if ( !$comment )^M
		return false;^M
^M
	$approved = $comment->comment_approved;^M
^M
	if ( $approved == NULL )^M
		return 'deleted';^M
	elseif ( $approved == '1' )^M
		return 'approved';^M
	elseif ( $approved == '0' )^M
		return 'unapproved';^M
	elseif ( $approved == 'spam' )^M
		return 'spam';^M
	else^M
		return false;^M
}^M
^M
/**^M
 * Call hooks for when a comment status transition occurs.^M
 *^M
 * Calls hooks for comment status transitions. If the new comment status is not the same^M
 * as the previous comment status, then two hooks will be ran, the first is^M
 * 'transition_comment_status' with new status, old status, and comment data. The^M
 * next action called is 'comment_OLDSTATUS_to_NEWSTATUS' the NEWSTATUS is the^M
 * $new_status parameter and the OLDSTATUS is $old_status parameter; it has the^M
 * comment data.^M
 *^M
 * The final action will run whether or not the comment statuses are the same. The^M
 * action is named 'comment_NEWSTATUS_COMMENTTYPE', NEWSTATUS is from the $new_status^M
 * parameter and COMMENTTYPE is comment_type comment data.^M
 *^M
 * @since 2.7.0^M
 *^M
 * @param string $new_status New comment status.^M
 * @param string $old_status Previous comment status.^M
 * @param object $comment Comment data.^M
 */^M
function wp_transition_comment_status($new_status, $old_status, $comment) {^M
	// Translate raw statuses to human readable formats for the hooks^M
	// This is not a complete list of comment status, it's only the ones that need to be renamed^M
	$comment_statuses = array(^M
		0         => 'unapproved',^M
		'hold'    => 'unapproved', // wp_set_comment_status() uses "hold"^M
		1         => 'approved',^M
		'approve' => 'approved', // wp_set_comment_status() uses "approve"^M
	);^M
	if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status];^M
	if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status];^M
^M
	// Call the hooks^M
	if ( $new_status != $old_status ) {^M
		do_action('transition_comment_status', $new_status, $old_status, $comment);^M
		do_action("comment_${old_status}_to_$new_status", $comment);^M
	}^M
	do_action("comment_${new_status}_$comment->comment_type", $comment->comment_ID, $comment);^M
}^M
^M
/**^M
 * Get current commenter's name, email, and URL.^M
 *^M
 * Expects cookies content to already be sanitized. User of this function might^M
 * wish to recheck the returned array for validity.^M
 *^M
 * @see sanitize_comment_cookies() Use to sanitize cookies^M
 *^M
 * @since 2.0.4^M
 *^M
 * @return array Comment author, email, url respectively.^M
 */^M
function wp_get_current_commenter() {^M
	// Cookies should already be sanitized.^M
^M
	$comment_author = '';^M
	if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) )^M
		$comment_author = $_COOKIE['comment_author_'.COOKIEHASH];^M
^M
	$comment_author_email = '';^M
	if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) )^M
		$comment_author_email = $_COOKIE['comment_author_email_'.COOKIEHASH];^M
^M
	$comment_author_url = '';^M
	if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) )^M
		$comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH];^M
^M
	return compact('comment_author', 'comment_author_email', 'comment_author_url');^M
}^M
^M
/**^M
 * Inserts a comment to the database.^M
 *^M
 * The available comment data key names are 'comment_author_IP', 'comment_date',^M
 * 'comment_date_gmt', 'comment_parent', 'comment_approved', and 'user_id'.^M
 *^M
 * @since 2.0.0^M
 * @uses $wpdb^M
 *^M
 * @param array $commentdata Contains information on the comment.^M
 * @return int The new comment's ID.^M
 */^M
function wp_insert_comment($commentdata) {^M
	global $wpdb;^M
	extract(stripslashes_deep($commentdata), EXTR_SKIP);^M
^M
	if ( ! isset($comment_author_IP) )^M
		$comment_author_IP = '';^M
	if ( ! isset($comment_date) )^M
		$comment_date = current_time('mysql');^M
	if ( ! isset($comment_date_gmt) )^M
		$comment_date_gmt = get_gmt_from_date($comment_date);^M
	if ( ! isset($comment_parent) )^M
		$comment_parent = 0;^M
	if ( ! isset($comment_approved) )^M
		$comment_approved = 1;^M
	if ( ! isset($user_id) )^M
		$user_id = 0;^M
	if ( ! isset($comment_type) )^M
		$comment_type = '';^M
^M
	$result = $wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->comments^M
	(comment_post_ID, comment_author, comment_author_email, comment_author_url, comment_author_IP, comment_date, comment_date_gmt, comment_content, comment_approved, comment_agent, comment_type, comment_parent, user_id)^M
	VALUES (%d, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %d, %d)",^M
	$comment_post_ID, $comment_author, $comment_author_email, $comment_author_url, $comment_author_IP, $comment_date, $comment_date_gmt, $comment_content, $comment_approved, $comment_agent, $comment_type, $comment_parent, $user_id) );^M
^M
	$id = (int) $wpdb->insert_id;^M
^M
	if ( $comment_approved == 1)^M
		wp_update_comment_count($comment_post_ID);^M
^M
	return $id;^M
}^M
^M
/**^M
 * Filters and sanitizes comment data.^M
 *^M
 * Sets the comment data 'filtered' field to true when finished. This can be^M
 * checked as to whether the comment should be filtered and to keep from^M
 * filtering the same comment more than once.^M
 *^M
 * @since 2.0.0^M
 * @uses apply_filters() Calls 'pre_user_id' hook on comment author's user ID^M
 * @uses apply_filters() Calls 'pre_comment_user_agent' hook on comment author's user agent^M
 * @uses apply_filters() Calls 'pre_comment_author_name' hook on comment author's name^M
 * @uses apply_filters() Calls 'pre_comment_content' hook on the comment's content^M
 * @uses apply_filters() Calls 'pre_comment_user_ip' hook on comment author's IP^M
 * @uses apply_filters() Calls 'pre_comment_author_url' hook on comment author's URL^M
 * @uses apply_filters() Calls 'pre_comment_author_email' hook on comment author's email address^M
 *^M
 * @param array $commentdata Contains information on the comment.^M
 * @return array Parsed comment information.^M
 */^M
function wp_filter_comment($commentdata) {^M
	$commentdata['user_id']              = apply_filters('pre_user_id', $commentdata['user_ID']);^M
	$commentdata['comment_agent']        = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']);^M
	$commentdata['comment_author']       = apply_filters('pre_comment_author_name', $commentdata['comment_author']);^M
	$commentdata['comment_content']      = apply_filters('pre_comment_content', $commentdata['comment_content']);^M
	$commentdata['comment_author_IP']    = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']);^M
	$commentdata['comment_author_url']   = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']);^M
	$commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']);^M
	$commentdata['filtered'] = true;^M
	return $commentdata;^M
}^M
^M
/**^M
 * Whether comment should be blocked because of comment flood.^M
 *^M
 * @since 2.1.0^M
 *^M
 * @param bool $block Whether plugin has already blocked comment.^M
 * @param int $time_lastcomment Timestamp for last comment.^M
 * @param int $time_newcomment Timestamp for new comment.^M
 * @return bool Whether comment should be blocked.^M
 */^M
function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) {^M
	if ( $block ) // a plugin has already blocked... we'll let that decision stand^M
		return $block;^M
	if ( ($time_newcomment - $time_lastcomment) < 15 )^M
		return true;^M
	return false;^M
}^M
^M
/**^M
 * Adds a new comment to the database.^M
 *^M
 * Filters new comment to ensure that the fields are sanitized and valid before^M
 * inserting comment into database. Calls 'comment_post' action with comment ID^M
 * and whether comment is approved by WordPress. Also has 'preprocess_comment'^M
 * filter for processing the comment data before the function handles it.^M
 *^M
 * @since 1.5.0^M
 * @uses apply_filters() Calls 'preprocess_comment' hook on $commentdata parameter array before processing^M
 * @uses do_action() Calls 'comment_post' hook on $comment_ID returned from adding the comment and if the comment was approved.^M
 * @uses wp_filter_comment() Used to filter comment before adding comment.^M
 * @uses wp_allow_comment() checks to see if comment is approved.^M
 * @uses wp_insert_comment() Does the actual comment insertion to the database.^M
 *^M
 * @param array $commentdata Contains information on the comment.^M
 * @return int The ID of the comment after adding.^M
 */^M
function wp_new_comment( $commentdata ) {^M
	$commentdata = apply_filters('preprocess_comment', $commentdata);^M
^M
	$commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];^M
	$commentdata['user_ID']         = (int) $commentdata['user_ID'];^M
^M
	$commentdata['comment_parent'] = absint($commentdata['comment_parent']);^M
	$parent_status = ( 0 < $commentdata['comment_parent'] ) ? wp_get_comment_status($commentdata['comment_parent']) : '';^M
	$commentdata['comment_parent'] = ( 'approved' == $parent_status || 'unapproved' == $parent_status ) ? $commentdata['comment_parent'] : 0;^M
^M
	$commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '',$_SERVER['REMOTE_ADDR'] );^M
	$commentdata['comment_agent']     = $_SERVER['HTTP_USER_AGENT'];^M
^M
	$commentdata['comment_date']     = current_time('mysql');^M
	$commentdata['comment_date_gmt'] = current_time('mysql', 1);^M
^M
	$commentdata = wp_filter_comment($commentdata);^M
^M
	$commentdata['comment_approved'] = wp_allow_comment($commentdata);^M
^M
	$comment_ID = wp_insert_comment($commentdata);^M
^M
	do_action('comment_post', $comment_ID, $commentdata['comment_approved']);^M
^M
	if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching^M
		if ( '0' == $commentdata['comment_approved'] )^M
			wp_notify_moderator($comment_ID);^M
^M
		$post = &get_post($commentdata['comment_post_ID']); // Don't notify if it's your own comment^M
^M
		if ( get_option('comments_notify') && $commentdata['comment_approved'] && $post->post_author != $commentdata['user_ID'] )^M
			wp_notify_postauthor($comment_ID, $commentdata['comment_type']);^M
	}^M
^M
	return $comment_ID;^M
}^M
^M
/**^M
 * Sets the status of a comment.^M
 *^M
 * The 'wp_set_comment_status' action is called after the comment is handled and^M
 * will only be called, if the comment status is either 'hold', 'approve', or^M
 * 'spam'. If the comment status is not in the list, then false is returned and^M
 * if the status is 'delete', then the comment is deleted without calling the^M
 * action.^M
 *^M
 * @since 1.0.0^M
 * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object^M
 *^M
 * @param int $comment_id Comment ID.^M
 * @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'delete'.^M
 * @return bool False on failure or deletion and true on success.^M
 */^M
function wp_set_comment_status($comment_id, $comment_status) {^M
	global $wpdb;^M
^M
	switch ( $comment_status ) {^M
		case 'hold':^M
			$query = $wpdb->prepare("UPDATE $wpdb->comments SET comment_approved='0' WHERE comment_ID = %d LIMIT 1", $comment_id);^M
			break;^M
		case 'approve':^M
			$query = $wpdb->prepare("UPDATE $wpdb->comments SET comment_approved='1' WHERE comment_ID = %d LIMIT 1", $comment_id);^M
			if ( get_option('comments_notify') ) {^M
				$comment = get_comment($comment_id);^M
				wp_notify_postauthor($comment_id, $comment->comment_type);^M
			}^M
			break;^M
		case 'spam':^M
			$query = $wpdb->prepare("UPDATE $wpdb->comments SET comment_approved='spam' WHERE comment_ID = %d LIMIT 1", $comment_id);^M
			break;^M
		case 'delete':^M
			return wp_delete_comment($comment_id);^M
			break;^M
		default:^M
			return false;^M
	}^M
^M
	if ( !$wpdb->query($query) )^M
		return false;^M
^M
	clean_comment_cache($comment_id);^M
^M
	$comment = get_comment($comment_id);^M
^M
	do_action('wp_set_comment_status', $comment_id, $comment_status);^M
	wp_transition_comment_status($comment_status, $comment->comment_approved, $comment);^M
^M
	wp_update_comment_count($comment->comment_post_ID);^M
^M
	return true;^M
}^M
^M
/**^M
 * Updates an existing comment in the database.^M
 *^M
 * Filters the comment and makes sure certain fields are valid before updating.^M
 *^M
 * @since 2.0.0^M
 * @uses $wpdb^M
 * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object^M
 *^M
 * @param array $commentarr Contains information on the comment.^M
 * @return int Comment was updated if value is 1, or was not updated if value is 0.^M
 */^M
function wp_update_comment($commentarr) {^M
	global $wpdb;^M
^M
	// First, get all of the original fields^M
	$comment = get_comment($commentarr['comment_ID'], ARRAY_A);^M
^M
	// Escape data pulled from DB.^M
	foreach ( (array) $comment as $key => $value )^M
		$comment[$key] = $wpdb->escape($value);^M
^M
	// Merge old and new fields with new fields overwriting old ones.^M
	$commentarr = array_merge($comment, $commentarr);^M
^M
	$commentarr = wp_filter_comment( $commentarr );^M
^M
	// Now extract the merged array.^M
	extract(stripslashes_deep($commentarr), EXTR_SKIP);^M
^M
	$comment_content = apply_filters('comment_save_pre', $comment_content);^M
^M
	$comment_date_gmt = get_gmt_from_date($comment_date);^M
^M
	if ( !isset($comment_approved) )^M
		$comment_approved = 1;^M
	else if ( 'hold' == $comment_approved )^M
		$comment_approved = 0;^M
	else if ( 'approve' == $comment_approved )^M
		$comment_approved = 1;^M
^M
	$wpdb->query( $wpdb->prepare("UPDATE $wpdb->comments SET^M
			comment_content      = %s,^M
			comment_author       = %s,^M
			comment_author_email = %s,^M
			comment_approved     = %s,^M
			comment_author_url   = %s,^M
			comment_date         = %s,^M
			comment_date_gmt     = %s^M
		WHERE comment_ID = %d",^M
			$comment_content,^M
			$comment_author,^M
			$comment_author_email,^M
			$comment_approved,^M
			$comment_author_url,^M
			$comment_date,^M
			$comment_date_gmt,^M
			$comment_ID) );^M
^M
	$rval = $wpdb->rows_affected;^M
^M
	clean_comment_cache($comment_ID);^M
	wp_update_comment_count($comment_post_ID);^M
	do_action('edit_comment', $comment_ID);^M
	$comment = get_comment($comment_ID);^M
	wp_transition_comment_status($comment_approved, $comment->comment_approved, $comment);^M
	return $rval;^M
}^M
^M
/**^M
 * Whether to defer comment counting.^M
 *^M
 * When setting $defer to true, all post comment counts will not be updated^M
 * until $defer is set to false. When $defer is set to false, then all^M
 * previously deferred updated post comment counts will then be automatically^M
 * updated without having to call wp_update_comment_count() after.^M
 *^M
 * @since 2.5.0^M
 * @staticvar bool $_defer^M
 *^M
 * @param bool $defer^M
 * @return unknown^M
 */^M
function wp_defer_comment_counting($defer=null) {^M
	static $_defer = false;^M
^M
	if ( is_bool($defer) ) {^M
		$_defer = $defer;^M
		// flush any deferred counts^M
		if ( !$defer )^M
			wp_update_comment_count( null, true );^M
	}^M
^M
	return $_defer;^M
}^M
^M
/**^M
 * Updates the comment count for post(s).^M
 *^M
 * When $do_deferred is false (is by default) and the comments have been set to^M
 * be deferred, the post_id will be added to a queue, which will be updated at a^M
 * later date and only updated once per post ID.^M
 *^M
 * If the comments have not be set up to be deferred, then the post will be^M
 * updated. When $do_deferred is set to true, then all previous deferred post^M
 * IDs will be updated along with the current $post_id.^M
 *^M
 * @since 2.1.0^M
 * @see wp_update_comment_count_now() For what could cause a false return value^M
 *^M
 * @param int $post_id Post ID^M
 * @param bool $do_deferred Whether to process previously deferred post comment counts^M
 * @return bool True on success, false on failure^M
 */^M
function wp_update_comment_count($post_id, $do_deferred=false) {^M
	static $_deferred = array();^M
^M
	if ( $do_deferred ) {^M
		$_deferred = array_unique($_deferred);^M
		foreach ( $_deferred as $i => $_post_id ) {^M
			wp_update_comment_count_now($_post_id);^M
			unset( $_deferred[$i] ); /** @todo Move this outside of the foreach and reset $_deferred to an array instead */^M
		}^M
	}^M
^M
	if ( wp_defer_comment_counting() ) {^M
		$_deferred[] = $post_id;^M
		return true;^M
	}^M
	elseif ( $post_id ) {^M
		return wp_update_comment_count_now($post_id);^M
	}^M
^M
}^M
^M
/**^M
 * Updates the comment count for the post.^M
 *^M
 * @since 2.5.0^M
 * @uses $wpdb^M
 * @uses do_action() Calls 'wp_update_comment_count' hook on $post_id, $new, and $old^M
 * @uses do_action() Calls 'edit_posts' hook on $post_id and $post^M
 *^M
 * @param int $post_id Post ID^M
 * @return bool False on '0' $post_id or if post with ID does not exist. True on success.^M
 */^M
function wp_update_comment_count_now($post_id) {^M
	global $wpdb;^M
	$post_id = (int) $post_id;^M
	if ( !$post_id )^M
		return false;^M
	if ( !$post = get_post($post_id) )^M
		return false;^M
^M
	$old = (int) $post->comment_count;^M
	$new = (int) $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id) );^M
	$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET comment_count = %d WHERE ID = %d", $new, $post_id) );^M
^M
	if ( 'page' == $post->post_type )^M
		clean_page_cache( $post_id );^M
	else^M
		clean_post_cache( $post_id );^M
^M
	do_action('wp_update_comment_count', $post_id, $new, $old);^M
	do_action('edit_post', $post_id, $post);^M
^M
	return true;^M
}^M
^M
//^M
// Ping and trackback functions.^M
//^M
^M
/**^M
 * Finds a pingback server URI based on the given URL.^M
 *^M
 * Checks the HTML for the rel="pingback" link and x-pingback headers. It does^M
 * a check for the x-pingback headers first and returns that, if available. The^M
 * check for the rel="pingback" has more overhead than just the header.^M
 *^M
 * @since 1.5.0^M
 *^M
 * @param string $url URL to ping.^M
 * @param int $deprecated Not Used.^M
 * @return bool|string False on failure, string containing URI on success.^M
 */^M
function discover_pingback_server_uri($url, $deprecated = 2048) {^M
^M
	$pingback_str_dquote = 'rel="pingback"';^M
	$pingback_str_squote = 'rel=\'pingback\'';^M
^M
	/** @todo Should use Filter Extension or custom preg_match instead. */^M
	$parsed_url = parse_url($url);^M
^M
	if ( ! isset( $parsed_url['host'] ) ) // Not an URL. This should never happen.^M
		return false;^M
^M
	$response = wp_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.1' ) );^M
^M
	if ( is_wp_error( $response ) )^M
		return false;^M
^M
	if ( isset( $response['headers']['x-pingback'] ) )^M
		return $response['headers']['x-pingback'];^M
^M
	// Not an (x)html, sgml, or xml page, no use going further.^M
	if ( isset( $response['headers']['content-type'] ) && preg_match('#(image|audio|video|model)/#is', $response['headers']['content-type']) )^M
		return false;^M
^M
	$contents = $response['body'];^M
^M
	$pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);^M
	$pingback_link_offset_squote = strpos($contents, $pingback_str_squote);^M
	if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {^M
		$quote = ($pingback_link_offset_dquote) ? '"' : '\'';^M
		$pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;^M
		$pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);^M
		$pingback_href_start = $pingback_href_pos+6;^M
		$pingback_href_end = @strpos($contents, $quote, $pingback_href_start);^M
		$pingback_server_url_len = $pingback_href_end - $pingback_href_start;^M
		$pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);^M
^M
		// We may find rel="pingback" but an incomplete pingback URL^M
		if ( $pingback_server_url_len > 0 ) { // We got it!^M
			return $pingback_server_url;^M
		}^M
	}^M
^M
	return false;^M
}^M
^M
/**^M
 * Perform all pingbacks, enclosures, trackbacks, and send to pingback services.^M
 *^M
 * @since 2.1.0^M
 * @uses $wpdb^M
 */^M
function do_all_pings() {^M
	global $wpdb;^M
^M
	// Do pingbacks^M
	while ($ping = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) {^M
		$wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$ping->ID} AND meta_key = '_pingme';");^M
		pingback($ping->post_content, $ping->ID);^M
	}^M
^M
	// Do Enclosures^M
	while ($enclosure = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) {^M
		$wpdb->query( $wpdb->prepare("DELETE FROM {$wpdb->postmeta} WHERE post_id = %d AND meta_key = '_encloseme';", $enclosure->ID) );^M
		do_enclose($enclosure->post_content, $enclosure->ID);^M
	}^M
^M
	// Do Trackbacks^M
	$trackbacks = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE to_ping <> '' AND post_status = 'publish'");^M
	if ( is_array($trackbacks) )^M
		foreach ( $trackbacks as $trackback )^M
			do_trackbacks($trackback);^M
^M
	//Do Update Services/Generic Pings^M
	generic_ping();^M
}^M
^M
/**^M
 * Perform trackbacks.^M
 *^M
 * @since 1.5.0^M
 * @uses $wpdb^M
 *^M
 * @param int $post_id Post ID to do trackbacks on.^M
 */^M
function do_trackbacks($post_id) {^M
	global $wpdb;^M
^M
	$post = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id) );^M
	$to_ping = get_to_ping($post_id);^M
	$pinged  = get_pung($post_id);^M
	if ( empty($to_ping) ) {^M
		$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = '' WHERE ID = %d", $post_id) );^M
		return;^M
	}^M
^M
	if ( empty($post->post_excerpt) )^M
		$excerpt = apply_filters('the_content', $post->post_content);^M
	else^M
		$excerpt = apply_filters('the_excerpt', $post->post_excerpt);^M
	$excerpt = str_replace(']]>', ']]>', $excerpt);^M
	$excerpt = wp_html_excerpt($excerpt, 252) . '...';^M
^M
	$post_title = apply_filters('the_title', $post->post_title);^M
	$post_title = strip_tags($post_title);^M
^M
	if ( $to_ping ) {^M
		foreach ( (array) $to_ping as $tb_ping ) {^M
			$tb_ping = trim($tb_ping);^M
			if ( !in_array($tb_ping, $pinged) ) {^M
				trackback($tb_ping, $post_title, $excerpt, $post_id);^M
				$pinged[] = $tb_ping;^M
			} else {^M
				$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_ping', '')) WHERE ID = %d", $post_id) );^M
			}^M
		}^M
	}^M
}^M
^M
/**^M
 * Sends pings to all of the ping site services.^M
 *^M
 * @since 1.2.0^M
 *^M
 * @param int $post_id Post ID. Not actually used.^M
 * @return int Same as Post ID from parameter^M
 */^M
function generic_ping($post_id = 0) {^M
	$services = get_option('ping_sites');^M
^M
	$services = explode("\n", $services);^M
	foreach ( (array) $services as $service ) {^M
		$service = trim($service);^M
		if ( '' != $service )^M
			weblog_ping($service);^M
	}^M
^M
	return $post_id;^M
}^M
^M
/**^M
 * Pings back the links found in a post.^M
 *^M
 * @since 0.71^M
 * @uses $wp_version^M
 * @uses IXR_Client^M
 *^M
 * @param string $content Post content to check for links.^M
 * @param int $post_ID Post ID.^M
 */^M
function pingback($content, $post_ID) {^M
	global $wp_version;^M
	include_once(ABSPATH . WPINC . '/class-IXR.php');^M
^M
	// original code by Mort (http://mort.mine.nu:8080)^M
	$post_links = array();^M
^M
	$pung = get_pung($post_ID);^M
^M
	// Variables^M
	$ltrs = '\w';^M
	$gunk = '/#~:.?+=&%@!\-';^M
	$punc = '.:?\-';^M
	$any = $ltrs . $gunk . $punc;^M
^M
	// Step 1^M
	// Parsing the post, external links (if any) are stored in the $post_links array^M
	// This regexp comes straight from phpfreaks.com^M
	// http://www.phpfreaks.com/quickcode/Extract_All_URLs_on_a_Page/15.php^M
	preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp);^M
^M
	// Step 2.^M
	// Walking thru the links array^M
	// first we get rid of links pointing to sites, not to specific files^M
	// Example:^M
	// http://dummy-weblog.org^M
	// http://dummy-weblog.org/^M
	// http://dummy-weblog.org/post.php^M
	// We don't wanna ping first and second types, even if they have a valid <link/>^M
^M
	foreach ( (array) $post_links_temp[0] as $link_test ) :^M
		if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself^M
				&& !is_local_attachment($link_test) ) : // Also, let's never ping local attachments.^M
			if ( $test = @parse_url($link_test) ) {^M
				if ( isset($test['query']) )^M
					$post_links[] = $link_test;^M
				elseif ( ($test['path'] != '/') && ($test['path'] != '') )^M
					$post_links[] = $link_test;^M
			}^M
		endif;^M
	endforeach;^M
^M
	do_action_ref_array('pre_ping', array(&$post_links, &$pung));^M
^M
	foreach ( (array) $post_links as $pagelinkedto ) {^M
		$pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048);^M
^M
		if ( $pingback_server_url ) {^M
			@ set_time_limit( 60 );^M
			 // Now, the RPC call^M
			$pagelinkedfrom = get_permalink($post_ID);^M
^M
			// using a timeout of 3 seconds should be enough to cover slow servers^M
			$client = new IXR_Client($pingback_server_url);^M
			$client->timeout = 3;^M
			$client->useragent .= ' -- WordPress/' . $wp_version;^M
^M
			// when set to true, this outputs debug messages by itself^M
			$client->debug = false;^M
^M
			if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto) || ( isset($client->error->code) && 48 == $client->error->code ) ) // Already registered^M
				add_ping( $post_ID, $pagelinkedto );^M
		}^M
	}^M
}^M
^M
/**^M
 * Check whether blog is public before returning sites.^M
 *^M
 * @since 2.1.0^M
 *^M
 * @param mixed $sites Will return if blog is public, will not return if not public.^M
 * @return mixed Empty string if blog is not public, returns $sites, if site is public.^M
 */^M
function privacy_ping_filter($sites) {^M
	if ( '0' != get_option('blog_public') )^M
		return $sites;^M
	else^M
		return '';^M
}^M
^M
/**^M
 * Send a Trackback.^M
 *^M
 * Updates database when sending trackback to prevent duplicates.^M
 *^M
 * @since 0.71^M
 * @uses $wpdb^M
 *^M
 * @param string $trackback_url URL to send trackbacks.^M
 * @param string $title Title of post.^M
 * @param string $excerpt Excerpt of post.^M
 * @param int $ID Post ID.^M
 * @return mixed Database query from update.^M
 */^M
function trackback($trackback_url, $title, $excerpt, $ID) {^M
	global $wpdb;^M
^M
	if ( empty($trackback_url) )^M
		return;^M
^M
	$options = array();^M
	$options['timeout'] = 4;^M
	$options['body'] = array(^M
		'title' => $title,^M
		'url' => get_permalink($ID),^M
		'blog_name' => get_option('blogname'),^M
		'excerpt' => $excerpt^M
	);^M
^M
	$response = wp_remote_post($trackback_url, $options);^M
^M
	if ( is_wp_error( $response ) )^M
		return;^M
^M
	$tb_url = addslashes( $trackback_url );^M
	$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = %d", $ID) );^M
	return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = %d", $ID) );^M
}^M
^M
/**^M
 * Send a pingback.^M
 *^M
 * @since 1.2.0^M
 * @uses $wp_version^M
 * @uses IXR_Client^M
 *^M
 * @param string $server Host of blog to connect to.^M
 * @param string $path Path to send the ping.^M
 */^M
function weblog_ping($server = '', $path = '') {^M
	global $wp_version;^M
	include_once(ABSPATH . WPINC . '/class-IXR.php');^M
^M
	// using a timeout of 3 seconds should be enough to cover slow servers^M
	$client = new IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path));^M
	$client->timeout = 3;^M
	$client->useragent .= ' -- WordPress/'.$wp_version;^M
^M
	// when set to true, this outputs debug messages by itself^M
	$client->debug = false;^M
	$home = trailingslashit( get_option('home') );^M
	if ( !$client->query('weblogUpdates.extendedPing', get_option('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping^M
		$client->query('weblogUpdates.ping', get_option('blogname'), $home);^M
}^M
^M
//^M
// Cache^M
//^M
^M
/**^M
 * Removes comment ID from the comment cache.^M
 *^M
 * @since 2.3.0^M
 * @package WordPress^M
 * @subpackage Cache^M
 *^M
 * @param int $id Comment ID to remove from cache^M
 */^M
function clean_comment_cache($id) {^M
	wp_cache_delete($id, 'comment');^M
}^M
^M
/**^M
 * Updates the comment cache of given comments.^M
 *^M
 * Will add the comments in $comments to the cache. If comment ID already exists^M
 * in the comment cache then it will not be updated. The comment is added to the^M
 * cache using the comment group with the key using the ID of the comments.^M
 *^M
 * @since 2.3.0^M
 * @package WordPress^M
 * @subpackage Cache^M
 *^M
 * @param array $comments Array of comment row objects^M
 */^M
function update_comment_cache($comments) {^M
	foreach ( (array) $comments as $comment )^M
		wp_cache_add($comment->comment_ID, $comment, 'comment');^M
}^M
^M
//^M
// Internal^M
//^M
^M
/**^M
 * Close comments on old posts on the fly, without any extra DB queries.  Hooked to the_posts.^M
 *^M
 * @access private^M
 * @since 2.7.0^M
 *^M
 * @param object $posts Post data object.^M
 * @return object^M
 */^M
function _close_comments_for_old_posts( $posts ) {^M
	if ( empty($posts) || !is_single() || !get_option('close_comments_for_old_posts') )^M
		return $posts;^M
^M
	$days_old = (int) get_option('close_comments_days_old');^M
	if ( !$days_old )^M
		return $posts;^M
^M
	if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * 24 * 60 * 60 ) ) {^M
		$posts[0]->comment_status = 'closed';^M
		$posts[0]->ping_status = 'closed';^M
	}^M
^M
	return $posts;^M
}^M
^M
/**^M
 * Close comments on an old post.  Hooked to comments_open and pings_open.^M
 *^M
 * @access private^M
 * @since 2.7.0^M
 *^M
 * @param bool $open Comments open or closed^M
 * @param int $post_id Post ID^M
 * @return bool $open^M
 */^M
function _close_comments_for_old_post( $open, $post_id ) {^M
	if ( ! $open )^M
		return $open;^M
^M
	if ( !get_option('close_comments_for_old_posts') )^M
		return $open;^M
^M
	$days_old = (int) get_option('close_comments_days_old');^M
	if ( !$days_old )^M
		return $open;^M
^M
	$post = get_post($post_id);^M
^M
	if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * 24 * 60 * 60 ) )^M
		return false;^M
^M
	return $open;^M
}^M
^M
?>^M