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common.inc 27.88 KiB
<?php
// $Id$
/**
* @name drupal_title
*
* Functions to get and set the title of the current page.
* @{
*/
function drupal_set_title($title = NULL) {
static $stored_title;
if (isset($title)) {
$stored_title = ucfirst($title);
}
return $stored_title;
}
function drupal_get_title() {
$title = drupal_set_title();
if (!isset($title)) {
$title = menu_get_active_title();
}
return $title;
}
// @}
/**
* @name drupal_message
*
* Functions to get and set the message of the current page.
* @{
*/
function drupal_set_message($message = NULL, $type = "status") {
static $stored_message;
if (isset($message)) {
$stored_message->message = $message;
$stored_message->type = $type;
}
return $stored_message;
}
function drupal_get_message() {
return drupal_set_message();
}
// @}
/**
* @name drupal_breadcrumb
*
* Functions to get and set the breadcrumb trail of the current page.
*
* @param $breadcrumb array of links, starting with "home" and proceeding up
* to but not including the current page.
* @{
*/
function drupal_set_breadcrumb($breadcrumb = NULL) {
static $stored_breadcrumb;
if (isset($breadcrumb)) {
$stored_breadcrumb = $breadcrumb;
}
return $stored_breadcrumb;
}
function drupal_get_breadcrumb() { $breadcrumb = drupal_set_breadcrumb();
if (!isset($breadcrumb)) {
$breadcrumb = menu_get_active_breadcrumb();
array_pop($breadcrumb);
}
return $breadcrumb;
}
// @}
/**
* Build the alias/path array
*/
function drupal_get_path_map($action = "") {
static $cache;
static $map;
if ($action == "rebuild") {
$map = NULL;
$cache = 0;
}
if (!$cache) {
$result = db_query("SELECT * FROM {url_alias}");
while ($data = db_fetch_object($result)) {
$map[$data->dst] = $data->src;
}
$cache = 1;
}
return $map;
}
function drupal_rebuild_path_map() {
drupal_get_path_map("rebuild");
}
function error_handler($errno, $message, $filename, $line, $variables) {
$types = array(1 => "error", 2 => "warning", 4 => "parse error", 8 => "notice", 16 => "core error", 32 => "core warning", 64 => "compile error", 128 => "compile warning", 256 => "user error", 512 => "user warning", 1024 => "user notice");
$entry = $types[$errno] .": $message in $filename on line $line.";
if ($errno & E_ALL ^ E_NOTICE) {
watchdog("error", $types[$errno] .": $message in $filename on line $line.");
print "<pre>$entry</pre>";
}
}
function throttle($type, $rate) {
if (!user_access("access administration pages")) {
if ($throttle = db_fetch_object(db_query("SELECT * FROM {watchdog} WHERE type = '$type' AND hostname = '". getenv("REMOTE_ADDR") ."' AND ". time() ." - timestamp < $rate"))) {
watchdog("warning", "throttle: '". getenv("REMOTE_ADDR") ."' exceeded submission rate - $throttle->type");
die(message_throttle());
}
}
}
function _fix_gpc_magic_array(&$items) {
foreach ($items as $k => $i) {
if (is_array($i)) _fix_gpc_magic_array($items[$k]);
else $items[$k] = stripslashes($i);
}
}
function fix_gpc_magic() {
static $fixed = false;
if ($fixed) return;
if (ini_get("magic_quotes_gpc") == 0) return;
_fix_gpc_magic_array($_GET);
_fix_gpc_magic_array($_POST);
_fix_gpc_magic_array($_COOKIE);
$fixed = true;
}
function array2object($node) {
if (is_array($node)) {
foreach ($node as $key => $value) {
$object->$key = $value;
}
}
else {
$object = $node;
}
return $object;
}
function object2array($node) {
if (is_object($node)) {
foreach ($node as $key => $value) {
$array[$key] = $value;
}
}
else {
$array = $node;
}
return $array;
}
function message_access() {
return t("You are not authorized to access this page.");
}
function message_na() {
return t("n/a");
}
function message_throttle() {
return t("You exceeded the maximum submission rate. Please wait a few minutes and try again.");
}
function locale_init() {
global $languages, $user;
if ($user->uid && $languages[$user->language]) {
return $user->language;
}
else {
return key($languages);
}
}
function t($string, $args = 0) {
global $languages;
/*
** About the usage of t(). We try to keep strings whole as much as
** possible and are unafraid of HTML markup within translation strings
** if necessary. The suggested syntax for a link embedded within a
** translation string is for example:
**
** $msg = t("You must login below or <a href=\"%url\">create a new
** account</a> before viewing the next page.", array("%url"
** => url("user/register"))); */
$string = ($languages && module_exist("locale") ? locale($string) : $string);
if (!$args) {
return $string;
}
else {
return strtr($string, $args);
}
}
function drupal_specialchars($input, $quotes = ENT_NOQUOTES) {
/*
** Note that we'd like to go 'htmlspecialchars($input, $quotes, "utf-8")'
** like the PHP manual tells us to, but we can't because there's a bug in
** PHP <4.3 that makes it mess up multibyte charsets if we specify the
** charset. Change this later once we make PHP 4.3 a requirement.
*/
return htmlspecialchars($input, $quotes);
}
/**
* Verify the syntax of the given e-mail address. Empty e-mail addresses are
* allowed. See RFC 2822 for details.
*
* @param $mail a email address
*/
function valid_email_address($mail) {
$user = '[a-zA-Z0-9_\-\.\+\^!#\$%&*+\/\=\?\`\|\{\}~\']+';
$domain = '(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]\.?)+';
$ipv4 = '[0-9]{1,3}(\.[0-9]{1,3}){3}';
$ipv6 = '[0-9a-fA-F]{1,4}(\:[0-9a-fA-F]{1,4}){7}';
if (preg_match("/^$user@($domain|(\[($ipv4|$ipv6)\]))$/", $mail)) {
return 1;
}
else {
return 0;
}
}
/**
* Verify the syntax of the given URL.
*
* @param $url an URL
*/
function valid_url($url) {
if (preg_match("/^[a-zA-z0-9\/:_\-_\.,]+$/", $url)) {
return 1;
}
else {
return 0;
}
}
/**
* Format a single result entry of a search query:
*
* @param $item a single search result as returned by <i>module</i>_search of
* type array("count" => ..., "link" => ..., "title" => ..., "user" => ...,
* "date" => ..., "keywords" => ...)
* @param $type module type of this item
*/
function search_item($item, $type) {
/* ** Modules may implement the "search_item" hook in order to overwrite
** the default function to display search results.
*/
if (module_hook($type, "search_item")) {
$output = module_invoke($type, "search_item", $item);
}
else {
$output .= " <b><u><a href=\"". $item["link"] ."\">". $item["title"] ."</a></u></b><br />";
$output .= " <small>" . t($type) . ($item["user"] ? " - ". $item["user"] : "") ."". ($item["date"] ? " - ". format_date($item["date"], "small") : "") ."</small>";
$output .= "<br /><br />";
}
return $output;
}
/**
* Render a generic search form.
*
* "Generic" means "universal usable" - that is, usable not only from
* 'site.com/search', but also as a simple seach box (without "Restrict search
* to", help text, etc) from theme's header etc. This means: provide options to
* only conditionally render certain parts of this form.
*
* @param $action Form action. Defaults to 'site.com/search'.
* @param $keys string containing keywords for the search.
* @param $options != 0: Render additional form fields/text ("Restrict search
* to", help text, etc).
*/
function search_form($action = NULL, $keys = NULL, $options = NULL) {
if (!$action) {
$action = url("search");
}
$output .= " <br /><input type=\"text\" class=\"form-text\" size=\"50\" value=\"". check_form($keys) ."\" name=\"keys\" />";
$output .= " <input type=\"submit\" class=\"form-submit\" value=\"". t("Search") ."\" />\n";
if ($options != 0) {
$output .= "<br />";
$output .= t("Restrict search to") .": ";
foreach (module_list() as $name) {
if (module_hook($name, "search")) {
$output .= " <input type=\"checkbox\" name=\"edit[type][$name]\" ". ($edit["type"][$name] ? " checked=\"checked\"" : "") ." /> ". t($name);
}
}
}
$form .= "<br />";
return form($output, "post", $action);
}
/*
* Collect the search results:
*/
function search_data($keys = NULL) {
$edit = $_POST["edit"];
if (isset($keys)) {
foreach (module_list() as $name) {
if (module_hook($name, "search") && (!$edit["type"] || $edit["type"][$name]) && ($result = module_invoke($name, "search", $keys))) {
if ($name == "node" || $name == "comment") {
$output .= "<p><b>". t("Matching ". $name ."s ranked in order of relevance") .":</b></p>";
}
else {
$output .= "<p><b>". t("Matching ". $name ."s") .":</b></p>";
} foreach ($result as $entry) {
$output .= search_item($entry, $name);
}
}
}
}
return $output;
}
/**
* Display the search form and the resulting data.
*
* @param $type If set, search only nodes of this type. Otherwise, search all
* types.
* @param $action Form action. Defaults to 'site.com/search'.
* @param $keys Query string. Defaults to global $keys.
* @param $options != 0: Render additional form fields/text ("Restrict search
* to", help text, etc).
*/
function search_type($type, $action = NULL, $keys = NULL, $options = NULL) {
$_POST["edit"]["type"][$type] = "on";
return search_form($action, $keys, $options) . "<br />". search_data($keys);
}
function drupal_goto($url) {
/*
** Translate & to simply &
*/
$url = str_replace("&", "&", $url);
/*
** It is advised to use "drupal_goto()" instead of PHP's "header()" as
** "drupal_goto()" will append the user's session ID to the URI when PHP
** is compiled with "--enable-trans-sid".
*/
if (!ini_get("session.use_trans_sid") || !session_id() || strstr($url, session_id())) {
header("Location: $url");
}
else {
$sid = session_name() . "=" . session_id();
if (strstr($url, "?") && !strstr($url, $sid)) {
header("Location: $url&". $sid);
}
else {
header("Location: $url?". $sid);
}
}
/*
** The "Location" header sends a REDIRECT status code to the http
** daemon. In some cases this can go wrong, so we make sure none
** of the code /below/ gets executed when we redirect.
*/
exit();
}
function valid_input_data($data) {
if (is_array($data) || is_object($data)) {
/*
** Form data can contain a number of nested arrays.
*/
foreach ($data as $key => $value) {
if (!valid_input_data($value)) {
return 0;
}
}
}
else {
/*
** Detect evil input data.
*/
// check strings:
$match = preg_match("/\Wjavascript\s*:/i", $data);
$match += preg_match("/\Wexpression\s*\(/i", $data);
$match += preg_match("/\Walert\s*\(/i", $data);
// check attributes:
$match += preg_match("/\W(dynsrc|datasrc|data|lowsrc|on[a-z]+)\s*=[^>]+?>/i", $data);
// check tags:
$match += preg_match("/<\s*(applet|script|object|style|embed|form|blink|meta|html|frame|iframe|layer|ilayer|head|frameset|xml)/i", $data);
if ($match) {
watchdog("warning", "terminated request because of suspicious input data: ". drupal_specialchars($data));
return 0;
}
}
return 1;
}
function check_form($text) {
return drupal_specialchars($text, ENT_QUOTES);
}
function filter($text) {
$modules = module_list();
/*
** Make sure the HTML filters that are part of the node module
** are run first.
*/
if (in_array("node", $modules)) {
$text = module_invoke("node", "filter", $text);
}
foreach ($modules as $name) {
if (module_hook($name, "filter") && $name != "node") {
$text = module_invoke($name, "filter", $text);
}
}
return $text;
}
function rewrite_old_urls($text) {
global $base_url;
$end = substr($base_url, 12);
/*
** This is a *temporary* filter to rewrite old-style URLs to new-style
** URLs (clean URLs). Currently, URLs are being rewritten dynamically
** (ie. "on output"), however when these rewrite rules have been tested
** enough, we will use them to permanently rewrite the links in node ** and comment bodies.
*/
if (variable_get("clean_url", "0") == "0") {
/*
** Relative URLs:
*/
// rewrite 'node.php?id=<number>[&cid=<number>]' style URLs:
$text = eregi_replace("\"(node)\.php\?id=([[:digit:]]+)(&cid=)?([[:digit:]]*)", "\"?q=\\1/view/\\2/\\4", $text);
// rewrite 'module.php?mod=<name>{&<op>=<value>}' style URLs:
$text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "\"?q=\\2/\\4/\\6" , $text);
$text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "\"?q=\\2/\\4", $text);
$text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))", "\"?q=\\2", $text);
/*
** Absolute URLs:
*/
// rewrite 'node.php?id=<number>[&cid=<number>]' style URLs:
$text = eregi_replace("$end/(node)\.php\?id=([[:digit:]]+)(&cid=)?([[:digit:]]*)", "$end/?q=\\1/view/\\2/\\4", $text);
// rewrite 'module.php?mod=<name>{&<op>=<value>}' style URLs:
$text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "$end/?q=\\2/\\4/\\6" , $text);
$text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "$end/?q=\\2/\\4", $text);
$text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))", "\"$end/?q=\\2", $text);
}
else {
/*
** Relative URLs:
*/
// rewrite 'node.php?id=<number>[&cid=<number>]' style URLs:
$text = eregi_replace("\"(node)\.php\?id=([[:digit:]]+)(&cid=)?([[:digit:]]*)", "\"\\1/view/\\2/\\4", $text);
// rewrite 'module.php?mod=<name>{&<op>=<value>}' style URLs:
$text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "\"\\2/\\4/\\6", $text);
$text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "\"\\2/\\4", $text);
$text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))", "\"\\2", $text);
/*
** Absolute URLs:
*/
// rewrite 'node.php?id=<number>[&cid=<number>]' style URLs:
$text = eregi_replace("$end/(node)\.php\?id=([[:digit:]]+)(&cid=)?([[:digit:]]*)", "$end/\\1/view/\\2/\\4", $text);
// rewrite 'module.php?mod=<name>{&<op>=<value>}' style URLs:
$text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "$end/\\2/\\4/\\6", $text);
$text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "$end/\\2/\\4", $text);
$text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))", "$end/\\2", $text);
}
return $text;
}
function check_output($text) {
if (isset($text)) {
// filter content on output:
$text = filter($text);
/*
** If only inline elements are used and no block level elements, we
** replace all newlines with HTML line breaks.
*/
if (strip_tags($text, '<a><br><span><bdo><map><object><img><tt><i><b><big><small><em><strong><dfn><code><q><samp><kbd><var><cite><abbr><acronym><sub><sup><input><select><textarea><label><button><ins><del><script>') == $text) {
$text = nl2br($text);
}
} else {
$text = message_na();
}
return $text;
}
function check_file($filename) {
return is_uploaded_file($filename);
}
function format_rss_channel($title, $link, $description, $items, $language = "en", $args = array()) {
// arbitrary elements may be added using the $args associative array
$output .= "<channel>\n";
$output .= " <title>". drupal_specialchars(strip_tags($title)) ."</title>\n";
$output .= " <link>". drupal_specialchars(strip_tags($link)) ."</link>\n";
$output .= " <description>". drupal_specialchars($description) ."</description>\n";
$output .= " <language>". drupal_specialchars(strip_tags($language)) ."</language>\n";
foreach ($args as $key => $value) {
$output .= " <$key>". drupal_specialchars(strip_tags($value)) ."</$key>\n";
}
$output .= $items;
$output .= "</channel>\n";
return $output;
}
function format_rss_item($title, $link, $description, $args = array()) {
// arbitrary elements may be added using the $args associative array
$output .= "<item>\n";
$output .= " <title>". drupal_specialchars(strip_tags($title)) ."</title>\n";
$output .= " <link>". drupal_specialchars(strip_tags($link)) ."</link>\n";
$output .= " <description>". drupal_specialchars(check_output($description)) ."</description>\n";
foreach ($args as $key => $value) {
$output .= "<$key>". drupal_specialchars(strip_tags($value)) ."</$key>";
}
$output .= "</item>\n";
return $output;
}
/**
* Formats a string with a count of items so that the string is pluralized
* correctly. format_plural calls t() by itself, make sure not to pass already
* localized strings to it.
*
* @param $count The item count to display.
* @param $singular The string for the singular case. Please make sure it's
* clear this is singular, to ease translation. ("1 new comment" instead of "1
* new").
* @param $plural The string for the plrual case. Please make sure it's clear
* this is plural, to ease translation. Use %count in places of the item
* count, as in "%count new comments".
*/
function format_plural($count, $singular, $plural) {
return t($count == 1 ? $singular : $plural, array("%count" => $count));
}
function format_size($size) {
$suffix = t("bytes");
if ($size > 1024) {
$size = round($size / 1024, 2);
$suffix = t("KB");
}
if ($size > 1024) {
$size = round($size / 1024, 2);
$suffix = t("MB"); }
return t("%size %suffix", array("%size" => $size, "%suffix" => $suffix));
}
function format_interval($timestamp) {
$units = array("1 year|%count years" => 31536000, "1 week|%count weeks" => 604800, "1 day|%count days" => 86400, "1 hour|%count hours" => 3600, "1 min|%count min" => 60, "1 sec|%count sec" => 1);
foreach ($units as $key=>$value) {
$key = explode("|", $key);
if ($timestamp >= $value) {
$output .= ($output ? " " : "") . format_plural(floor($timestamp / $value), $key[0], $key[1]);
$timestamp %= $value;
}
}
return ($output) ? $output : t("0 sec");
}
function format_date($timestamp, $type = "medium", $format = "") {
global $user;
$timestamp += ($user->timezone) ? $user->timezone - date("Z") : 0;
switch ($type) {
case "small":
$format = variable_get("date_format_short", "m/d/Y - H:i");
break;
case "large":
$format = variable_get("date_format_long", "l, F j, Y - H:i");
break;
case "custom":
// No change to format
break;
case "medium":
default:
$format = variable_get("date_format_medium", "D, m/d/Y - H:i");
}
for ($i = strlen($format); $i >= 0; $c = $format[--$i]) {
if (strstr("DFlMSw", $c)) {
$date = t(date($c, $timestamp)) . $date;
}
else if (strstr("AaBdgGhHiIjLmnOrstTUWYyZz", $c)) {
$date = date($c, $timestamp) . $date;
}
else {
$date = $c.$date;
}
}
return $date;
}
function format_name($object) {
if ($object->uid && $object->name) {
/*
** Shorten the name when it is too long or it will break many
** tables.
*/
if (strlen($object->name) > 20) {
$name = substr($object->name, 0, 15) ."...";
}
else {
$name = $object->name;
}
if (arg(0) == "admin") {
$output = l($name, "admin/user/edit/$object->uid", array("title" => t("Administer user profile.")));
}
else {
$output = l($name, "user/view/$object->uid", array("title" => t("View user profile."))); }
}
else if ($object->name) {
/*
** Sometimes modules display content composed by people who are
** not registers members of the site (i.e. mailing list or news
** aggregator modules). This clause enables modules to display
** the true author of the content.
*/
$output = $object->name;
}
else {
$output = t(variable_get("anonymous", "Anonymous"));
}
return $output;
}
function form($form, $method = "post", $action = 0, $options = 0) {
if (!$action) {
$action = request_uri();
}
return "<form action=\"$action\" method=\"$method\"". drupal_attributes($options) .">\n$form\n</form>\n";
}
function form_item($title, $value, $description = 0) {
return theme("form_element", $title, $value, $description);
}
function form_group($legend, $group, $description = 0) {
return "<fieldset>" . ($legend ? "<legend>$legend</legend>" : "") . $group . ($description ? "<div class=\"description\">$description</div>" : "") . "</fieldset>\n";
}
function form_radio($title, $name, $value = 1, $checked = 0, $description = 0, $attributes = 0) {
return theme("form_element", 0, "<input type=\"radio\" class=\"form-radio\" name=\"edit[$name]\" value=\"". $value ."\"". ($checked ? " checked=\"checked\"" : "") . drupal_attributes($attributes) ." /> $title", $description);
}
function form_checkbox($title, $name, $value = 1, $checked = 0, $description = 0, $attributes = 0) {
return form_hidden($name, 0) . theme("form_element", 0, "<input type=\"checkbox\" class=\"form-checkbox\" name=\"edit[$name]\" value=\"". $value ."\"". ($checked ? " checked=\"checked\"" : "") . drupal_attributes($attributes) ." /> $title", $description);
}
function form_textfield($title, $name, $value, $size, $maxlength, $description = 0, $attributes = 0) {
$size = $size ? " size=\"$size\"" : "";
return theme("form_element", $title, "<input type=\"text\" maxlength=\"$maxlength\" class=\"form-text\" name=\"edit[$name]\"$size value=\"". check_form($value) ."\"". drupal_attributes($attributes) ." />", $description);
}
function form_password($title, $name, $value, $size, $maxlength, $description = 0, $attributes = 0) {
$size = $size ? " size=\"$size\"" : "";
return theme("form_element", $title, "<input type=\"password\" class=\"form-password\" maxlength=\"$maxlength\" name=\"edit[$name]\"$size value=\"". check_form($value) ."\"". drupal_attributes($attributes) ." />", $description);
}
function form_textarea($title, $name, $value, $cols, $rows, $description = 0, $attributes = 0) {
$cols = $cols ? " cols=\"$cols\"" : "";
module_invoke_all("textarea", $name); // eg. optionally plug in a WYSIWYG editor
return theme("form_element", $title, "<textarea wrap=\"virtual\"$cols rows=\"$rows\" name=\"edit[$name]\" id=\"edit[$name]\"". drupal_attributes($attributes) .">". check_form($value) ."</textarea>", $description);
}
function form_select($title, $name, $value, $options, $description = 0, $extra = 0, $multiple = 0) {
if (count($options) > 0) {
foreach ($options as $key=>$choice) {
$select .= "<option value=\"$key\"". (is_array($value) ? (in_array($key, $value) ? " selected=\"selected\"" : "") : ($value == $key ? " selected=\"selected\"" : "")) .">". check_form($choice) ."</option>";
}
return theme("form_element", $title, "<select name=\"edit[$name]". ($multiple ? "[]" : "") ."\"". ($multiple ? " multiple " : "") . ($extra ? " $extra" : "") .">$select</select>", $description);
}
}
function form_radios($title, $name, $value, $options, $description = 0) {
if (count($options) > 0) { foreach ($options as $key=>$choice) {
$output .= form_radio($choice, $name, $key, ($key == $value));
}
return theme("form_element", $title, $output, $description);
}
}
function form_file($title, $name, $size, $description = 0) {
return theme("form_element", $title, "<input type=\"file\" class=\"form-file\" name=\"edit[$name]\" size=\"$size\" />\n", $description);
}
function form_hidden($name, $value) {
return "<input type=\"hidden\" name=\"edit[$name]\" value=\"". check_form($value) ."\" />\n";
}
function form_submit($value, $name = "op", $attributes = 0) {
return "<input type=\"submit\" class=\"form-submit\" name=\"$name\" value=\"". check_form($value) ."\" />\n";
}
function form_weight($title = NULL, $name = "weight", $value = 0, $delta = 10, $description = 0, $extra = 0) {
for ($n = (-1 * $delta); $n <= $delta; $n++) {
$weights[$n] = $n;
}
return form_select($title, $name, $value, $weights, $description, $extra);
}
function form_allowed_tags_text() {
return variable_get("allowed_html", "") ? (t("Allowed HTML tags") .": ". htmlspecialchars(variable_get("allowed_html", ""))) : "";
}
/**
* Given an old url, return the alias.
*/
function drupal_get_path_alias($path) {
$map = drupal_get_path_map();
if ($map) {
return array_search($path, $map);
}
}
/**
* Given an alias, return the default url.
*/
function drupal_get_normal_path($path) {
$map = drupal_get_path_map();
if ($map[$path]) {
return $map[$path];
}
else {
return $path;
}
}
function url($url = NULL, $query = NULL) {
global $base_url;
static $script;
if (empty($script)) {
/*
** On some webservers such as IIS we can't omit "index.php". As such we
** generate "index.php?q=foo" instead of "?q=foo" on anything that is not
** Apache.
*/
$script = (strpos($_SERVER["SERVER_SOFTWARE"], "Apache") === false) ? "index.php" : "";
}
if ($alias = drupal_get_path_alias($url)) {
$url = $alias;
}
if (variable_get("clean_url", "0") == "0") {
if (isset($url)) {
if (isset($query)) {
return "$base_url/$script?q=$url&$query";
}
else {
return "$base_url/$script?q=$url";
}
}
else {
if (isset($query)) {
return "$base_url/$script?$query";
}
else {
return "$base_url/";
}
}
}
else {
if (isset($url)) {
if (isset($query)) {
return "$base_url/$url?$query";
}
else {
return "$base_url/$url";
}
}
else {
if (isset($query)) {
return "$base_url/$script?$query";
}
else {
return "$base_url/";
}
}
}
}
function drupal_attributes($attributes = 0) {
if (is_array($attributes)) {
$t = array();
foreach ($attributes as $key => $value) {
$t[] = "$key=\"$value\"";
}
return " ". implode($t, " ");
}
}
function l($text, $url, $attributes = array(), $query = NULL) {
return "<a href=\"". url($url, $query) ."\"". drupal_attributes($attributes) .">$text</a>";
}
function field_get($string, $name) {
ereg(",?$name=([^,]+)", ", $string", $regs);
return $regs[1];
}
function field_set($string, $name, $value) {
$rval = ereg_replace(",$name=[^,]+", "", ",$string");
if (isset($value)) {
$rval .= ($rval == "," ? "" : ",") ."$name=$value";
}
return substr($rval, 1);
}
function link_page() { global $custom_links;
if (is_array($custom_links)) {
return $custom_links;
}
else {
$links = module_invoke_all("link", "page");
array_unshift($links, l(t("home"), "", array("title" => t("Return to the main page."))));
return $links;
}
}
function link_node($node, $main = 0) {
return module_invoke_all("link", "node", $node, $main);
}
function drupal_page_footer() {
if (variable_get("cache", 0)) {
page_set_cache();
}
/*
** A hook for modules where modules may take action at the end of a
** request good uses include setting a cache, page logging, etc.
*/
module_invoke_all("exit");
}
include_once "includes/theme.inc";
include_once "includes/pager.inc";
include_once "includes/menu.inc";
include_once "includes/xmlrpc.inc";
include_once "includes/tablesort.inc";
// set error handler:
set_error_handler("error_handler");
// spit out the correct charset http header
header("Content-Type: text/html; charset=utf-8");
// initialize the _GET["q"] prior to loading the modules and invoking their 'init' hook:
if (!empty($_GET["q"])) {
$_GET["q"] = drupal_get_normal_path(trim($_GET["q"], "/"));
}
else {
$_GET["q"] = drupal_get_normal_path(variable_get("site_frontpage", "node"));
}
// initialize installed modules:
module_init();
if ($_REQUEST && !user_access("bypass input data check")) {
if (!valid_input_data($_REQUEST)) {
die("terminated request because of suspicious input data");
}
}
// initialize localization system:
$locale = locale_init();
// initialize theme:
$theme = init_theme();
?>