/**
 * Adds the javascript and CSS for the editor tools to the page header.
 * Sets up internal datastructures for the editor tools module.
 * Allows other modules to register their editor tool buttons.
 */
function phorum_mod_editor_tools_common()
{
    $lang = $GLOBALS["PHORUM"]["DATA"]["LANG"]["mod_editor_tools"];
    // Initialize the tool data array.
    $GLOBALS["PHORUM"]["MOD_EDITOR_TOOLS"] = array("DO_TOOLS" => false, "STARTED" => false, "TOOLS" => array(), "JSLIBS" => array(), "HELP_CHAPTERS" => array(), "TRANSLATIONS" => $lang);
    // Add a help tool. We add it as the first tool, so we can
    // shift it nicely to the right side of the page using CSS float.
    if (!empty($GLOBALS["PHORUM"]["mod_editor_tools"]["enable_help"])) {
        editor_tools_register_tool('help', $lang['help']);
    }
    // Give other modules a chance to setup their plugged in
    // editor tools. This is done through a standard hook call.
    if (isset($GLOBALS["PHORUM"]["hooks"]["editor_tool_plugin"])) {
        phorum_hook('editor_tool_plugin');
    }
    // Keep track that the editor tools have been setup. From here
    // on, the API calls for registering tools, javascript libraries
    // help chapters and language strings are no longer allowed.
    $PHORUM["MOD_EDITOR_TOOLS"]["STARTED"] = true;
}

}
if ($PHORUM["track_user_activity"] && (!empty($PHORUM["user"]["admin"]) || phorum_api_user_check_access(PHORUM_USER_ALLOW_MODERATE_MESSAGES) || phorum_api_user_check_access(PHORUM_USER_ALLOW_MODERATE_USERS) || !$user["hide_activity"])) {
    $PHORUM["DATA"]["PROFILE"]["raw_date_last_active"] = $PHORUM["DATA"]["PROFILE"]["date_last_active"];
    $PHORUM["DATA"]["PROFILE"]["date_last_active"] = phorum_date($PHORUM['short_date_time'], $PHORUM["DATA"]["PROFILE"]["date_last_active"]);
} else {
    unset($PHORUM["DATA"]["PROFILE"]["date_last_active"]);
}
$PHORUM["DATA"]["PROFILE"]["posts"] = number_format($PHORUM["DATA"]["PROFILE"]["posts"], 0, "", $PHORUM["thous_sep"]);
$PHORUM["DATA"]["PROFILE"]["URL"]["PM"] = phorum_get_url(PHORUM_PM_URL, "page=send", "to_id=" . urlencode($user["user_id"]));
$PHORUM["DATA"]["PROFILE"]["URL"]["ADD_BUDDY"] = phorum_get_url(PHORUM_PM_URL, "page=buddies", "action=addbuddy", "addbuddy_id=" . urlencode($user["user_id"]));
$PHORUM["DATA"]["PROFILE"]["is_buddy"] = phorum_db_pm_is_buddy($user["user_id"]);
// unset($PHORUM["DATA"]["PROFILE"]["signature"]);
$PHORUM["DATA"]["PROFILE"]["URL"]["SEARCH"] = phorum_get_url(PHORUM_SEARCH_URL, "author=" . urlencode($PHORUM["DATA"]["PROFILE"]["user_id"]), "match_type=USER_ID", "match_dates=0", "match_threads=0");
$PHORUM["DATA"]["PROFILE"]["username"] = htmlspecialchars($PHORUM["DATA"]["PROFILE"]["username"], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]);
if (isset($PHORUM["DATA"]["PROFILE"]["real_name"])) {
    $PHORUM["DATA"]["PROFILE"]["real_name"] = htmlspecialchars($PHORUM["DATA"]["PROFILE"]["real_name"], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]);
}
if (empty($PHORUM["custom_display_name"])) {
    $PHORUM["DATA"]["PROFILE"]["display_name"] = htmlspecialchars($PHORUM["DATA"]["PROFILE"]["display_name"], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]);
}
if (isset($PHORUM["hooks"]["profile"])) {
    $PHORUM["DATA"]["PROFILE"] = phorum_hook("profile", $PHORUM["DATA"]["PROFILE"]);
}
$PHORUM["DATA"]["HEADING"] = $PHORUM["DATA"]["LANG"]["UserProfile"];
$PHORUM["DATA"]["DESCRIPTION"] = "";
$PHORUM['DATA']['HTML_DESCRIPTION'] = '';
// fill the breadcrumbs-info.
$PHORUM['DATA']['BREADCRUMBS'][] = array('URL' => '', 'TEXT' => strip_tags($PHORUM["DATA"]["HEADING"]), 'TYPE' => 'profile');
// set all our URL's
phorum_build_common_urls();
phorum_output($template);

    $base = strtolower(phorum_get_url(PHORUM_BASE_URL));
    $len = strlen($base);
    if (strtolower(substr($_SERVER["HTTP_REFERER"],0,$len)) == $base) {
        $redir = htmlspecialchars($_SERVER["HTTP_REFERER"]);
    }
}
if (! isset($redir)) {
    $redir = phorum_get_url(PHORUM_LIST_URL);
}

// Setup template data.
$PHORUM["DATA"]["LOGIN"]["redir"] = $redir;
$PHORUM["DATA"]["URL"]["REGISTER"] = phorum_get_url( PHORUM_REGISTER_URL );
$PHORUM["DATA"]["URL"]["ACTION"] = phorum_get_url( PHORUM_LOGIN_ACTION_URL );
$PHORUM["DATA"]["LOGIN"]["forum_id"] = ( int )$PHORUM["forum_id"];
$PHORUM["DATA"]["LOGIN"]["username"] = htmlspecialchars( $username );
$PHORUM["DATA"]["ERROR"] = htmlspecialchars( $error );
$PHORUM["DATA"]["OKMSG"] = htmlspecialchars( $okmsg );

// Set the field to set the focus to after loading.
$PHORUM["DATA"]["FOCUS_TO_ID"] = empty($username) ? "username" : "password";

// Display the page.
include phorum_get_template( "header" );
phorum_hook( "after_header" );
include phorum_get_template( $template );
phorum_hook( "before_footer" );
include phorum_get_template( "footer" );

?>

     if ($key === 'num_rows' || !empty($item['deleted'])) {
         continue;
     }
     if (!empty($item['show_in_admin'])) {
         if (!$cf_header_shown) {
             $frm->addbreak('Custom Profile Fields');
             $cf_header_shown = 1;
         }
         $itemval = "[EMPTY]";
         if (isset($user[$item['name']]) && trim($user[$item['name']]) != '') {
             $itemval = trim($user[$item['name']]);
         }
         $frm->addrow($item['name'], $itemval);
     }
 }
 phorum_hook("admin_users_form", $frm, $user);
 $frm->show();
 echo "<br /><hr class=\"PhorumAdminHR\" /><br /><a name=\"forums\"></a>";
 $frm = new PhorumInputForm("", "post", "Update");
 $frm->hidden("user_id", $_REQUEST["user_id"]);
 $frm->hidden("module", "users");
 $frm->hidden("section", "forums");
 $frm->hidden("referrer", $referrer);
 $row = $frm->addbreak("Edit Forum Permissions");
 $frm->addhelp($row, "Forum Permissions", "These are permissions set exclusively for this user.  You need to grant all permisssions you want the user to have for a forum here.  No permissions from groups or a forum's properties will be used once the user has specific permissions for a forum.");
 $forums = phorum_db_get_forums();
 $forumpaths = phorum_get_forum_info(1);
 $perm_frm = $frm->checkbox("new_forum_permissions[" . PHORUM_USER_ALLOW_READ . "]", 1, "Read") . "&nbsp;&nbsp;" . $frm->checkbox("new_forum_permissions[" . PHORUM_USER_ALLOW_REPLY . "]", 1, "Reply") . "&nbsp;&nbsp;" . $frm->checkbox("new_forum_permissions[" . PHORUM_USER_ALLOW_NEW_TOPIC . "]", 1, "Create&nbsp;New&nbsp;Topics") . "&nbsp;&nbsp;" . $frm->checkbox("new_forum_permissions[" . PHORUM_USER_ALLOW_EDIT . "]", 1, "Edit&nbsp;Their&nbsp;Posts") . "<br />" . $frm->checkbox("new_forum_permissions[" . PHORUM_USER_ALLOW_ATTACH . "]", 1, "Attach&nbsp;Files") . "<br />" . $frm->checkbox("new_forum_permissions[" . PHORUM_USER_ALLOW_MODERATE_MESSAGES . "]", 1, "Moderate Messages") . "&nbsp;&nbsp;" . $frm->checkbox("new_forum_permissions[" . PHORUM_USER_ALLOW_MODERATE_USERS . "]", 1, "Moderate Users") . "&nbsp;&nbsp;";
 $arr[] = "Add A Forum...";
 foreach ($forumpaths as $forum_id => $forumname) {
     if (!isset($user["forum_permissions"][$forum_id]) && $forums[$forum_id]['folder_flag'] == 0) {

            }
            // Handle the delete action, unless a module already handled it.
            if (!$delete_handled) {
                // Delete the message from the database.
                phorum_db_delete_message($msgthd_id, PHORUM_DELETE_MESSAGE);
                // Delete the message attachments from the database.
                $files = phorum_db_get_message_file_list($msgthd_id);
                foreach ($files as $file_id => $data) {
                    if (phorum_api_file_check_delete_access($file_id)) {
                        phorum_api_file_delete($file_id);
                    }
                }
            }
            // Run a hook for performing custom actions after cleanup.
            if (isset($PHORUM["hooks"]["delete"])) {
                phorum_hook("delete", array($msgthd_id));
            }
        }
    }
}
$PHORUM['DATA']['PREPOST'] = array();
if ($gotforums) {
    $foruminfo = phorum_db_get_forums($mod_forums, NULL, $PHORUM['vroot']);
} else {
    $foruminfo = array();
}
foreach ($mod_forums as $forum => $rest) {
    $checkvar = 1;
    // Get the threads
    $rows = array();
    // get the thread set started

    ($mode == 'post' || $mode == 'reply'))
{
    if (empty($message["author"])) {
        $error = $PHORUM["DATA"]["LANG"]["ErrAuthor"];
    } elseif ((!defined('PHORUM_ENFORCE_UNREGISTERED_NAMES') || (defined('PHORUM_ENFORCE_UNREGISTERED_NAMES') && PHORUM_ENFORCE_UNREGISTERED_NAMES == true)) && phorum_user_check_username($message["author"])) {
        $error = $PHORUM["DATA"]["LANG"]["ErrRegisterdName"];
    } elseif (!empty($message["email"]) &&
              phorum_user_check_email($message["email"])) {
        $error = $PHORUM["DATA"]["LANG"]["ErrRegisterdEmail"];
    }
}

// A hook entry for checking the data from a module.
if (! $error) {
    list($message, $error) =
        phorum_hook("check_post", array($message, $error));
}

// Data integrity checks for all messages.
if (! $error)
{
    if (empty($message["subject"])) {
        $error = $PHORUM["DATA"]["LANG"]["ErrSubject"];
    } elseif (empty($message["body"])) {
        $error = $PHORUM["DATA"]["LANG"]["ErrBody"];
    } elseif (!empty($message["email"]) &&
              !phorum_valid_email($message["email"])) {
        $error = $PHORUM["DATA"]["LANG"]["ErrEmail"];
    } elseif (strlen($message["body"]) > 64000) {
        $error = $PHORUM["DATA"]["LANG"]["ErrBodyTooLarge"];
    }

 *     Miscellaneous
 *
 * [when]
 *     In the <filename>script.php</filename> when called from the command
 *     prompt or a script file.
 *
 * [input]
 *     Any array of arguments. (Optional)
 *
 * [output]
 *     Same as input.
 *
 */
if ($callhook == 'external') {
    $module = array_shift($modules);
    // The first argument in $callargs is set to the name of the
    // called module. This module name is not really needed, but it
    // in there for backward compatibility (in older code, all "external"
    // hooks were called and the external hook implementation had to check
    // the module name to see if it had to be run or not).
    array_unshift($callargs, $module);
    $callargs = array_values($callargs);
    // reindex (0, 1, 2, ...) array keys.
    // Call the external hook.
    phorum_hook("external", $callargs);
} elseif ($callhook == 'scheduled') {
    phorum_hook('scheduled');
} else {
    echo $GLOBALS["PHORUM"]["DATA"]["LANG"]["ScriptUsage"];
    exit(1);
}

 * {
 *     // An optional name=.... argument can be used in the request.
 *     $name = phorum_ajax_getarg('name', 'string', 'Anonymous Person');
 *
 *     // This will return a JSON encoded string to the client.
 *     phorum_ajax_return("Hello, $name");
 * }
 * </hookcode>
 *
 * For this hook implementation, a GET based URL to fire this
 * Ajax call could look like
 * <literal>http://example.com/ajax.php?call=sayhello,name=JohnDoe</literal>.
 */
$call_hook = 'ajax_' . $ajax_call;
if (isset($PHORUM['hooks'][$call_hook])) {
    phorum_hook($call_hook, $PHORUM['ajax_args']);
}
// Check if the Ajax call has a core handler script.
if (file_exists("./include/ajax/call.{$ajax_call}.php")) {
    include "./include/ajax/call.{$ajax_call}.php";
    exit;
}
// No handler script available. Bail out.
phorum_ajax_error('Unknown call "' . $ajax_call . '" in Ajax POST request');
// ----------------------------------------------------------------------
// Utility functions that can be used by Ajax call implementations
// ----------------------------------------------------------------------
/**
 * Return an Ajax error to the caller.
 *
 * This will send an error (500 HTTP status code) message to the client,

/**
 * function for sending email to users, gets addresses-array and data-array
 */
function phorum_email_user($addresses, $data)
{
    $PHORUM = $GLOBALS['PHORUM'];
    require_once './include/api/mail.php';
    // If we have no from_address in the message data, then generate
    // from_address ourselves, based on the system_email_* settings.
    if (!isset($data['from_address']) || trim($data['from_address']) == '') {
        $from_name = trim($PHORUM['system_email_from_name']);
        if ($from_name != '') {
            // Handle (Quoted-Printable) encoding of the from name.
            // Mail headers cannot contain 8-bit data as per RFC821.
            $from_name = phorum_api_mail_encode_header($from_name);
            $prefix = $from_name . ' <';
            $postfix = '>';
        } else {
            $prefix = $postfix = '';
        }
        $data['from_address'] = $prefix . $PHORUM['system_email_from_address'] . $postfix;
    }
    /*
     * [hook]
     *     email_user_start
     *
     * [description]
     *     This hook is put at the very beginning of 
     *     <literal>phorum_email_user()</literal> and is therefore called for
     *     <emphasis>every</emphasis> email that is sent from Phorum. It is put
     *     before every replacement done in that function so that all data which
     *     is sent to that function can be replaced/changed at will.
     *
     * [category]
     *     Moderation
     *
     * [when]
     *     In the file <filename>email_functions.php</filename> at the start of
     *     <literal>phorum_email_user()</literal>, before any modification of
     *     data.
     *
     * [input]
     *     An array containing:
     *     <ul>
     *     <li>An array of addresses.</li>
     *     <li>An array containing the message data.</li>
     *     </ul>
     *
     * [output]
     *     Same as input.
     *
     * [example]
     *     <hookcode>
     *     function phorum_mod_foo_email_user_start (list($addresses, $data)) 
     *     {
     *         global $PHORUM;
     *
     *         // Add our disclaimer to the end of every email message.
     *         $data["mailmessage"] = $PHORUM["mod_foo"]["email_disclaimer"];
     *
     *         return array($addresses, $data);
     *     }
     *     </hookcode>
     */
    if (isset($PHORUM["hooks"]["email_user_start"])) {
        list($addresses, $data) = phorum_hook("email_user_start", array($addresses, $data));
    }
    // Clear some variables that are meant for use by the email_user_start hook.
    unset($data['mailmessagetpl']);
    unset($data['mailsubjecttpl']);
    unset($data['language']);
    // Extract message body and subject.
    $mailmessage = $data['mailmessage'];
    unset($data['mailmessage']);
    $mailsubject = $data['mailsubject'];
    unset($data['mailsubject']);
    // Replace template variables.
    if (is_array($data) && count($data)) {
        foreach (array_keys($data) as $key) {
            if ($data[$key] === NULL || is_array($data[$key])) {
                continue;
            }
            $mailmessage = str_replace("%{$key}%", $data[$key], $mailmessage);
            $mailsubject = str_replace("%{$key}%", $data[$key], $mailsubject);
        }
    }
    $num_addresses = count($addresses);
    $from_address = $data['from_address'];
    # Try to find a useful hostname to use in the Message-ID.
    $host = "";
    if (isset($_SERVER["HTTP_HOST"])) {
        $host = $_SERVER["HTTP_HOST"];
    } else {
        if (function_exists("posix_uname")) {
            $sysinfo = @posix_uname();
            if (!empty($sysinfo["nodename"])) {
                $host .= $sysinfo["nodename"];
            }
            if (!empty($sysinfo["domainname"])) {
                $host .= $sysinfo["domainname"];
//.........这里部分代码省略.........

/**
 * This function is used for purging stale files from the Phorum system.
 *
 * @param boolean $do_purge
 *     If this parameter is set to a false value (the default), then no
 *     actual purging will take place. The function will only return an
 *     array of stale files. If the parameter is set to a true value,
 *     then the stale files will be purged for real.
 *
 * @return array
 *     An array of stale Phorum files, indexed by file_id. Every item in
 *     this array is an array on its own, containing the fields:
 *     - file_id: the file id of the stale file
 *     - filename: the name of the stale file
 *     - filesize: the size of the file in bytes
 *     - add_datetime: the time (epoch) at which the file was added
 *     - reason: the reason why it's a stale file
 *     This array will be returned, regardless of the $do_purge parameter.
 */
function phorum_api_file_purge_stale($do_purge)
{
    $stale_files = phorum_db_list_stale_files();
    /**
     * [hook]
     *     file_purge_stale
     *
     * [description]
     *     This hook can be used to feed the file storage API function
     *     phorum_api_file_purge_stale() extra stale files. This can be
     *     useful for modules that handle their own files, using a
     *     custom link type.
     *
     * [category]
     *     File storage
     *
     * [when]
     *     Right after Phorum created its own list of stale files.
     *
     * [input]
     *     An array containing stale files, indexed by file_id. Each item
     *     in this array is an array on its own, containing the following
     *     fields:
     *     <ul>
     *     <li>file_id:
     *         the file id of the stale file</li>
     *     <li>filename:
     *         the name of the stale file</li>
     *     <li>filesize:
     *         the size of the file in bytes</li>
     *     <li>add_datetime:
     *         the time (epoch) at which the file was added</li>
     *     <li>reason:
     *         the reason why it's a stale file</li>
     *     </ul>
     *
     * [output]
     *     The same array as the one that was used for the hook call
     *     argument, possibly extended with extra files that are
     *     considered to be stale.
     */
    if (isset($GLOBALS['PHORUM']['hooks']['file_purge_stale'])) {
        $stale_files = phorum_hook('file_purge_stale', $stale_files);
    }
    // Delete the files if requested.
    if ($do_purge) {
        foreach ($stale_files as $file) {
            phorum_api_file_delete($file);
        }
    }
    return $stale_files;
}

            // will return messages with the same thread id in
            // other forums as well (those are the move notifications).
            if ($delmode == PHORUM_DELETE_TREE) {
                $forum_id = $PHORUM["forum_id"];
                $PHORUM["forum_id"] = 0;
                $moved = phorum_db_get_messages($msg["message_id"]);
                $PHORUM["forum_id"] = $forum_id;
                foreach ($moved as $id => $data) {
                    if (!empty($data["moved"])) {
                        phorum_db_delete_message($id, PHORUM_DELETE_MESSAGE);
                    }
                }
            }
        }
        // Run a hook for performing custom actions after cleanup.
        phorum_hook("delete", $delids);
        // Keep track of deleted messages ids for counting the deleted
        // messages at the end. We can't simply add the number of messages
        // in the message array, because there might be overlap between
        // messages and threads here.
        foreach ($delids as $id) {
            $delete_messages[$id] = 1;
        }
    }
    $delete_count = count($delete_messages);
    phorum_admin_okmsg("Deleted {$delete_count} message(s) from the database.");
}
// If a filterdesc field is in the post data, then query the database
// based on this filterdesc. The results will be shown later on,
// below the filter form.
if (isset($_POST["filterdesc"])) {

 * [when]
 *     Right before the <literal>PhorumInputForm</literal> object is shown.
 *
 * [input]
 *     The <literal>PhorumInputForm</literal> object.
 *
 * [output]
 *     Same as input.
 *
 * [example]
 *     <hookcode>
 *     function phorum_mod_foo_admin_general ($frm) 
 *     {
 *         // Add a section for the foo settings
 *         $frm->addbreak( "Foo Module Settings" );
 *
 *         // Add the option to cache the bar
 *         $row=$frm->addrow( "Enable Bar Caching:", $frm->select_tag( "mod_foo[enable_bar_caching]", array( "No", "Yes" ), $PHORUM["mod_foo"]["enable_bar_caching"] ) );
 *         $frm->addhelp($row, "Enable Bar Caching", "If you select yes for this option, then the bar will be cached." );
 *
 *         // Return the modified PhorumInputForm
 *         return $frm;
 *
 *     }
 *     </hookcode>
 */
$frm = phorum_hook("admin_general", $frm);
$frm->show();
?>

 *             $pm_message = preg_replace(
 *                 "/%message_subject%/",
 *                 $dbmessage["subject"],
 *                 $PHORUM["DATA"]["LANG"]["mod_foo"]["MessageEditedBody"]
 *                 );
 *             phorum_db_pm_send(
 *                 $PHORUM["DATA"]["LANG"]["mod_foo"]["MessageEditedSubject"],
 *                 $pm_message,
 *                 $dbmessage["user_id"]
 *                 );
 *         }
 *     }
 *     </hookcode>
 */
if (isset($PHORUM["hooks"]["after_edit"])) {
    phorum_hook("after_edit", $dbmessage);
}
// remove the message from the cache if caching is enabled
// no need to clear the thread-index as the message has only been changed
if ($PHORUM['cache_messages']) {
    phorum_cache_remove('message', $message["message_id"]);
    phorum_db_update_forum(array('forum_id' => $PHORUM['forum_id'], 'cache_version' => $PHORUM['cache_version'] + 1));
}
// Update children to the same sort setting.
if (!$message["parent_id"] && $origmessage["sort"] != $dbmessage["sort"]) {
    $messages = phorum_db_get_messages($message["thread"], 0);
    unset($messages["users"]);
    foreach ($messages as $message_id => $msg) {
        if ($msg["sort"] != $dbmessage["sort"] || $msg["forum_id"] != $dbmessage["forum_id"]) {
            $msg["sort"] = $dbmessage["sort"];
            phorum_db_update_message($message_id, $msg);

//.........这里部分代码省略.........
        // Normally, the message_id must be set, since we should be handling
        // message data. It might not be set however, because sometimes
        // the message formatting is called using some fake message data
        // for formatting something else than a message.
        if (!isset($message['message_id'])) {
            $data[$key]['message_id'] = $message['message_id'] = $key;
        }
        // Work on the message body ========================
        if (isset($message["body"])) {
            $body = $message["body"];
            // Convert legacy <> urls into bare urls.
            $body = preg_replace("/<((http|https|ftp):\\/\\/[a-z0-9;\\/\\?:@=\\&\$\\-_\\.\\+!*'\\(\\),~%]+?)>/i", "\$1", $body);
            // Escape special HTML characters.
            $escaped_body = htmlspecialchars($body, ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]);
            if ($escaped_body == "") {
                if (function_exists("iconv")) {
                    // we are gonna guess and see if we get lucky
                    $escaped_body = iconv("ISO-8859-1", $PHORUM["DATA"]["HCHARSET"], $body);
                } else {
                    // we let htmlspecialchars use its defaults
                    $escaped_body = htmlspecialchars($body);
                }
            }
            $body = $escaped_body;
            // Replace newlines with $phorum_br temporarily.
            // This way the mods know what Phorum did vs the user.
            $body = str_replace("\n", "{$phorum_br}\n", $body);
            // Run bad word replacement code.
            if ($bad_word_check) {
                $body = preg_replace($replace_words, $replace_vals, $body);
            }
            $data[$key]["body"] = $body;
        }
        // Work on the other fields ========================
        // Run bad word replacement code on subject and author.
        if ($bad_word_check) {
            if (isset($message["subject"])) {
                $data[$key]["subject"] = preg_replace($replace_words, $replace_vals, $data[$key]["subject"]);
            }
            if (isset($message["author"])) {
                $data[$key]["author"] = preg_replace($replace_words, $replace_vals, $data[$key]["author"]);
            }
        }
        // Escape special HTML characters in fields.
        if (isset($message["email"])) {
            $data[$key]["email"] = htmlspecialchars($data[$key]["email"], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]);
        }
        if (isset($message["subject"])) {
            $data[$key]["subject"] = htmlspecialchars($data[$key]["subject"], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]);
        }
        // Do author formatting for all provided author fields.
        foreach ($author_specs as $spec) {
            // Use "Anonymous user" as the author name if there's no author
            // name available for some reason.
            if (!isset($message[$spec[1]]) || $message[$spec[1]] == '') {
                $data[$key][$spec[3]] = $PHORUM["DATA"]["LANG"]["AnonymousUser"];
            } elseif (!empty($message[$spec[0]])) {
                $url = str_replace('%spec_data%', $message[$spec[0]], $profile_url_template);
                $data[$key]["URL"][$spec[4]] = $url;
                $data[$key][$spec[3]] = empty($PHORUM["custom_display_name"]) ? htmlspecialchars($message[$spec[1]], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]) : $message[$spec[1]];
            } elseif ($spec[2] !== NULL && !empty($message[$spec[2]]) && (empty($PHORUM['hide_email_addr']) || !empty($PHORUM["user"]["admin"]) || phorum_api_user_check_access(PHORUM_USER_ALLOW_MODERATE_MESSAGES) && PHORUM_MOD_EMAIL_VIEW || phorum_api_user_check_access(PHORUM_USER_ALLOW_MODERATE_USERS) && PHORUM_MOD_EMAIL_VIEW)) {
                $data[$key][$spec[3]] = htmlspecialchars($message[$spec[1]], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]);
                $email_url = phorum_html_encode("mailto:" . $message[$spec[2]]);
                $data[$key]["URL"]["PROFILE"] = $email_url;
            } else {
                $data[$key][$spec[3]] = htmlspecialchars($message[$spec[1]], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]);
            }
        }
    }
    // A hook for module writers to apply custom message formatting.
    if (isset($PHORUM["hooks"]["format"])) {
        $data = phorum_hook("format", $data);
    }
    // A hook for module writers for doing post formatting fixups.
    if (isset($PHORUM["hooks"]["format_fixup"])) {
        $data = phorum_hook("format_fixup", $data);
    }
    // Clean up after the mods are done.
    foreach ($data as $key => $message) {
        // Clean up line breaks inside pre and xmp tags. These tags
        // take care of showing newlines as breaks themselves.
        if (isset($message["body"])) {
            foreach (array("pre", "goep", "xmp") as $tagname) {
                if (preg_match_all("/(<{$tagname}.*?>).+?(<\\/{$tagname}>)/si", $message["body"], $matches)) {
                    foreach ($matches[0] as $match) {
                        $stripped = str_replace($phorum_br, "", $match);
                        $message["body"] = str_replace($match, $stripped, $message["body"]);
                    }
                }
            }
            // Remove line break after div, quote and code tags. These
            // tags have their own line break. Without this, there would
            // be to many white lines.
            $message["body"] = preg_replace("/\\s*(<\\/?(?:div|xmp|blockquote|pre)[^>]*>)\\s*\\Q{$phorum_br}\\E/", "\$1", $message["body"]);
            // Normalize the Phorum line breaks that are left.
            $data[$key]["body"] = str_replace($phorum_br, "<br />", $message["body"]);
        }
    }
    return $data;
}

         *
         * [category]
         *     Moderation
         *
         * [when]
         *     In <filename>moderation.php</filename>, right after a thread has
         *     been split by a moderator.
         *
         * [input]
         *     The id of the newly created thread
         *
         * [output]
         *     None
         *
         */
        phorum_hook('after_split', $_POST['message']);
        break;
    default:
        if (!isset($PHORUM['DATA']['OKMSG'])) {
            $PHORUM['DATA']['OKMSG'] = "";
        }
        $PHORUM['DATA']["URL"]["REDIRECT"] = $PHORUM["DATA"]["URL"]["LIST"];
}
// remove the affected messages from the cache if caching is enabled.
if ($PHORUM['cache_messages']) {
    foreach ($invalidate_message_cache as $message) {
        phorum_cache_remove('message', $message["message_id"]);
        phorum_db_update_forum(array('forum_id' => $PHORUM['forum_id'], 'cache_version' => $PHORUM['cache_version'] + 1));
    }
}
if (!isset($PHORUM['DATA']['BACKMSG'])) {

        if ($filter != "all") {
            if ($filter != $status) {
                continue;
            }
        }
        $disabled = false;
        $statustext = "";
        // moderators can't edit other moderators
        if ($status == PHORUM_USER_GROUP_MODERATOR) {
            $disabled = true;
            $statustext = $PHORUM["DATA"]["LANG"]["PermGroupModerator"];
        }
        $PHORUM["DATA"]["USERS"][$userid] = array("userid" => $userid, "name" => htmlspecialchars($users[$userid]["username"], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]), "display_name" => empty($PHORUM["custom_display_name"]) ? htmlspecialchars($users[$userid]["display_name"], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]) : $users[$userid]["display_name"], "status" => $status, "statustext" => $statustext, "disabled" => $disabled, "flag" => $status < PHORUM_USER_GROUP_APPROVED, "url" => phorum_get_url(PHORUM_PROFILE_URL, $userid));
    }
    if (isset($PHORUM["hooks"]["user_list"])) {
        $PHORUM["DATA"]["USERS"] = phorum_hook("user_list", $PHORUM["DATA"]["USERS"]);
    }
    // if the option to build a dropdown list is enabled, build the list of members that could be added
    if ($PHORUM["enable_dropdown_userlist"]) {
        $userlist = phorum_api_user_list(PHORUM_GET_ACTIVE);
        $PHORUM["DATA"]["NEWMEMBERS"] = array();
        foreach ($userlist as $userid => $userinfo) {
            if (!in_array($userid, $usersingroup)) {
                $userinfo["username"] = htmlspecialchars($userinfo["username"], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]);
                $userinfo["display_name"] = htmlspecialchars($userinfo["display_name"], ENT_COMPAT, $PHORUM["DATA"]["HCHARSET"]);
                $PHORUM["DATA"]["NEWMEMBERS"][] = $userinfo;
            }
        }
    }
} else {
    $PHORUM["DATA"]["GROUPS"] = array();

         if (empty($_POST["explanation"])) {
             $_POST["explanation"] = "<" . $PHORUM["DATA"]["LANG"]["None"] . ">";
         }
         $mail_users = phorum_api_user_list_moderators($PHORUM['forum_id'], $PHORUM['email_ignore_admin'], TRUE);
         if (count($mail_users)) {
             $mail_data = array("mailmessage" => $PHORUM["DATA"]["LANG"]['ReportPostEmailBody'], "mailsubject" => $PHORUM["DATA"]["LANG"]['ReportPostEmailSubject'], "forumname" => $PHORUM["DATA"]["NAME"], "reportedby" => $PHORUM["user"]["display_name"], "author" => $message["author"], "subject" => $message["subject"], "body" => wordwrap($message["body"], 72), "ip" => $message["ip"], "raw_date" => $message["datestamp"], "date" => phorum_date($PHORUM["short_date_time"], $message["datestamp"]), "explanation" => wordwrap($_POST["explanation"], 72), "url" => phorum_get_url(PHORUM_READ_URL, $message["thread"], $message_id), "delete_url" => phorum_get_url(PHORUM_MODERATION_URL, PHORUM_DELETE_MESSAGE, $message_id), "hide_url" => phorum_get_url(PHORUM_MODERATION_URL, PHORUM_HIDE_POST, $message_id), "edit_url" => phorum_get_url(PHORUM_POSTING_URL, 'moderation', $message_id), "reporter_url" => phorum_get_url(PHORUM_PROFILE_URL, $PHORUM["user"]["user_id"]), "message" => $message);
             if (isset($_POST[PHORUM_SESSION_LONG_TERM])) {
                 // strip any auth info from the created urls
                 $mail_data["url"] = preg_replace("!,{0,1}" . PHORUM_SESSION_LONG_TERM . "=" . urlencode($_POST[PHORUM_SESSION_LONG_TERM]) . "!", "", $mail_data["url"]);
                 $mail_data["delete_url"] = preg_replace("!,{0,1}" . PHORUM_SESSION_LONG_TERM . "=" . urlencode($_POST[PHORUM_SESSION_LONG_TERM]) . "!", "", $mail_data["delete_url"]);
                 $mail_data["hide_url"] = preg_replace("!,{0,1}" . PHORUM_SESSION_LONG_TERM . "=" . urlencode($_POST[PHORUM_SESSION_LONG_TERM]) . "!", "", $mail_data["hide_url"]);
                 $mail_data["edit_url"] = preg_replace("!,{0,1}" . PHORUM_SESSION_LONG_TERM . "=" . urlencode($_POST[PHORUM_SESSION_LONG_TERM]) . "!", "", $mail_data["edit_url"]);
                 $mail_data["reporter_url"] = preg_replace("!,{0,1}" . PHORUM_SESSION_LONG_TERM . "=" . urlencode($_POST[PHORUM_SESSION_LONG_TERM]) . "!", "", $mail_data["reporter_url"]);
             }
             if (isset($PHORUM["hooks"]["report"])) {
                 $mail_data = phorum_hook("report", $mail_data);
             }
             phorum_email_user($mail_users, $mail_data);
             $PHORUM["DATA"]["URL"]["REDIRECT"] = phorum_get_url(PHORUM_FOREIGN_READ_URL, $message["forum_id"], $message["thread"]);
             $PHORUM["DATA"]["BACKMSG"] = $PHORUM["DATA"]["LANG"]["BackToThread"];
             $PHORUM["DATA"]["OKMSG"] = $PHORUM["DATA"]["LANG"]["ReportPostSuccess"];
             $template = "message";
             $report = true;
         }
     } else {
         $PHORUM["DATA"]["ReportPostMessage"] = $PHORUM["DATA"]["LANG"]['ReportPostNotAllowed'];
     }
 }
 // format message
 list($message) = phorum_format_messages(array($message));
 $PHORUM["DATA"]["PostSubject"] = $message["subject"];

/**
 * A common function which is used to save the user