drupal/includes/common.inc

981 lines
28 KiB
PHP

<?php
// $Id$
function conf_init() {
/*
** Try finding a matching configuration file by stripping the website's
** URI from left to right. If no configuration file is found, return a
** default value 'conf'.
*/
$uri = $_SERVER["PHP_SELF"];
$file = strtolower(strtr($_SERVER["HTTP_HOST"] . substr($uri, 0, strrpos($uri, "/")), "/:", ".."));
while (strlen($file) > 4) {
if (file_exists("includes/$file.php")) {
return $file;
}
else {
$file = substr($file, strpos($file, ".") + 1);
}
}
return "conf";
}
function error_handler($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 watchdog($type, $message, $link = NULL) {
global $user;
db_query("INSERT INTO watchdog (uid, type, message, link, location, hostname, timestamp) VALUES (%d, '%s', '%s', '%s', '%s', '%s', %d)", $user->uid, $type, $message, $link, request_uri(), getenv("REMOTE_ADDR"), time());
}
function throttle($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 - $throttle->type");
die(message_throttle());
}
else {
watchdog($type, "throttle");
}
}
}
function check_php_setting($name, $value) {
if (ini_get($name) != $value) {
print "<p>Note that the value of PHP's configuration option <code><b>$name</b></code> is incorrect. It should be set to '$value' for Drupal to work properly. Either configure your webserver to support <code>.htaccess</code> files so Drupal's <code>.htaccess</code> file can set it to the proper value, or edit your <code>php.ini</code> file directly. This message will automatically dissapear when the problem has been fixed.</p>";
}
}
function arg($index) {
static $arguments;
if (empty($arguments)) {
$arguments = explode("/", $_GET["q"]);
}
return $arguments[$index];
}
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 $array;
}
function request_uri() {
/*
** Since request_uri() is only available on Apache, we generate
** equivalent using other environment vars.
*/
if (isset($_SERVER["REQUEST_URI"])) {
return $_SERVER["REQUEST_URI"];
}
else {
return $_SERVER["PHP_SELF"] ."?". $_SERVER["QUERY_STRING"];
}
}
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, $args);
}
}
function variable_init($conf = array()) {
$result = db_query("SELECT * FROM variable");
while ($variable = db_fetch_object($result)) {
if (!isset($conf[$variable->name])) {
$conf[$variable->name] = unserialize($variable->value);
}
}
return $conf;
}
function variable_get($name, $default, $object = 0) {
global $conf;
return isset($conf[$name]) ? $conf[$name] : $default;
}
function variable_set($name, $value) {
global $conf;
db_query("DELETE FROM variable WHERE name = '%s'", $name);
db_query("INSERT INTO variable (name, value) VALUES ('%s', '%s')", $name, serialize($value));
$conf[$name] = $value;
}
function variable_del($name) {
global $conf;
db_query("DELETE FROM variable WHERE name = '%s'", $name);
unset($conf[$name]);
}
function table_cell($cell, $header = 0) {
if (is_array($cell)) {
$data = $cell["data"];
foreach ($cell as $key => $value) {
if ($key != "data") {
$attributes .= " $key=\"$value\"";
}
}
}
else {
$data = $cell;
}
if ($header) {
$output = "<th$attributes>$data</th>";
}
else {
$output = "<td$attributes>$data</td>";
}
return $output;
}
function table($header, $rows) {
$output = "<table>\n";
/*
** Emit the table header:
*/
if (is_array($header)) {
$output .= " <tr>";
foreach ($header as $cell) {
$output .= table_cell($cell, 1);
}
$output .= " </tr>\n";
}
/*
** Emit the table rows:
*/
if (is_array($rows)) {
foreach ($rows as $number => $row) {
if ($number % 2 == 1) {
$output .= " <tr class=\"light\">";
}
else {
$output .= " <tr class=\"dark\">";
}
foreach ($row as $cell) {
$output .= table_cell($cell, 0);
}
$output .= " </tr>\n";
}
}
$output .= "</table>\n";
return $output;
}
/**
* 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;
}
}
/**
* Format a single result entry of a search query:
*
* @param $item a single search result as returned by <module>_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>". $item["count"] ."&nbsp;&nbsp;<u><a href=\"". $item["link"] ."\">". $item["title"] ."</a></u></b><br />";
$output .= " <small>$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 $query Query string. Defaults to global $keys.
* @param $options != 0: Render additional form fields/text
* ("Restrict search to", help text, etc).
*/
function search_form($action = 0, $query = 0, $options = 0) {
$keys = $_POST["keys"];
if (!$action) {
$action = url("search");
}
if (!$query) {
$query = $keys;
}
$output .= " <br /><input type=\"text\" size=\"50\" value=\"". check_form($keys) ."\" name=\"keys\" />";
$output .= " <input type=\"submit\" value=\"". t("Search") ."\" />\n";
if ($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 = $_POST["keys"];
$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", check_query($keys)))) {
if ($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, $name);
}
}
}
if (!$output) {
$output .= t("Your search yielded no results.");
}
}
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 $query Query string. Defaults to global $keys.
* @param $options != 0: Render additional form fields/text
* ("Restrict search to", help text, etc).
*/
function search_type($type = 0, $action = 0, $query = 0, $options = 0) {
$edit = $_POST["edit"];
if (isset($type)) {
$edit["type"][$type] = "on";
}
return search_form($action, $query, $options) . search_data();
}
function drupal_goto($url) {
/*
** Translate &amp; to simply &
*/
$url = str_replace("&amp;", "&amp;", $url);
/*
** It is advised to use "drupal_goto()" instead of PHP's "header()" as
** "drupal_goto()" will append the user's session ID to the URI when PHP
** is compiled with "--enable-trans-sid".
*/
if (!ini_get("session.use_trans_sid") || !session_id() || strstr($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
** deamon. In some cases this can go wrong, so we make sure none
** of the code /below/ gets executed when we redirect.
*/
exit();
}
/*
** Stores the referer in a persistent variable:
*/
function referer_save() {
global $referer;
if (!strstr($_SERVER["HTTP_REFERER"], request_uri())) {
$referer = $_SERVER["HTTP_REFERER"];
session_register("referer");
}
}
/*
** Restores the referer from a persistent variable:
*/
function referer_load() {
global $referer;
if (session_is_registered("referer")) {
return $referer;
}
else {
return 0;
}
}
function check_form($text) {
return htmlspecialchars($text);
}
function check_query($text) {
return addslashes($text);
}
function check_input($text) {
return addslashes($text);
}
function filter($text) {
foreach (module_list() as $name) {
if (module_hook($name, "filter")) {
$text = module_invoke($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);
// get the line breaks right:
if (strip_tags($text, "<a><i><b><u><tt><code><cite><strong><img>") == $text) {
$text = nl2br($text);
}
}
else {
$text = message_na();
}
return $text;
}
function check_file($filename) {
if (is_uploaded_file($filename)) {
return 1;
}
else {
return 0;
}
}
function format_rss_channel($title, $link, $description, $items, $language = "en", $args = array()) {
// arbitrary elements may be added using the $args associative array
$output .= "<channel>\n";
$output .= " <title>". htmlentities(strip_tags($title)) ."</title>\n";
$output .= " <link>". htmlentities(strip_tags($link)) ."</link>\n";
$output .= " <description>". htmlentities($description) ."</description>\n";
$output .= " <language>". htmlentities(strip_tags($language)) ."</language>\n";
foreach ($args as $key => $value) {
$output .= "<$key>". htmlentities(strip_tags($value)) ."</$key>";
}
$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";
$output .= " <title>". htmlentities(strip_tags($title)) ."</title>\n";
$output .= " <link>". htmlentities(strip_tags($link)) ."</link>\n";
$output .= " <description>". htmlentities(check_output($description)) ."</description>\n";
foreach ($args as $key => $value) {
$output .= "<$key>". htmlentities(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" => $suffix));
}
function cache_get($key) {
$cache = db_fetch_object(db_query("SELECT data, created FROM cache WHERE cid = '%s'", $key));
return $cache->data ? $cache : 0;
}
function cache_set($cid, $data, $expire = 0) {
if (db_fetch_object(db_query("SELECT cid FROM cache WHERE cid = '%s'", $cid))) {
db_query("UPDATE cache SET data = '%s', created = %d, expire = %d WHERE cid = '%s'", $data, time(), $expire, $cid);
}
else {
db_query("INSERT INTO cache (cid, data, created, expire) VALUES('%s', '%s', %d, %d)", $cid, $data, time(), $expire);
}
}
function cache_clear_all($cid = NULL) {
if (empty($cid)) {
db_query("DELETE FROM cache WHERE expire <> 0");
}
else {
db_query("DELETE FROM cache WHERE cid = %d", $cid);
}
}
function page_set_cache() {
global $user;
if (!$user->uid && $_SERVER["REQUEST_METHOD"] == "GET") {
if ($data = ob_get_contents()) {
cache_set(request_uri(), $data, (time() + variable_get("cache_clear", 120)));
}
}
}
function page_get_cache() {
global $user;
$cache = NULL;
if (!$user->uid && $_SERVER["REQUEST_METHOD"] == "GET") {
$cache = cache_get(request_uri());
if (empty($cache)) {
ob_start();
}
}
return $cache;
}
function format_interval($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":
$date = date(variable_get("date_format_short", "m/d/Y - H:i"), $timestamp);
break;
case "medium":
$date = date(variable_get("date_format_medium", "D, m/d/Y - H:i"), $timestamp);
break;
case "large":
$date = date(variable_get("date_format_long", "l, F j, Y - H:i"), $timestamp);
break;
case "custom":
for ($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;
}
}
break;
default:
$date = date(variable_get("date_format_medium", "l, m/d/Y - H:i"), $timestamp);
}
return $date;
}
function format_name($object) {
if ($object->uid && $object->name) {
if (arg(0) == "admin") {
$output = l($object->name, "admin/user/edit/$object->uid", array("title" => t("Administer user profile.")));
}
else {
$output = l($object->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) {
$action = htmlentities(request_uri());
}
return "<form action=\"$action\" method=\"$method\"". ($options ? " $options" : "") .">\n$form</form>\n";
}
function form_item($title, $value, $description = 0) {
return "<p>". ($title ? "<b>$title:</b><br />" : "") . $value . ($description ? "<br /><small><i>$description</i></small>" : "") ."</p>\n";
}
function form_radio($title, $name, $value = 1, $checked = 0, $description = 0) {
return form_item(0, "<input type=\"radio\" name=\"edit[$name]\" value=\"". $value ."\"". ($checked ? " checked=\"checked\"" : "") ." /> $title", $description);
}
function form_checkbox($title, $name, $value = 1, $checked = 0, $description = 0) {
return form_hidden($name, 0) . form_item(0, "<input type=\"checkbox\" name=\"edit[$name]\" value=\"". $value ."\"". ($checked ? " checked=\"checked\"" : "") ." /> $title", $description);
}
function form_textfield($title, $name, $value, $size, $maxlength, $description = 0) {
return form_item($title, "<input maxlength=\"$maxlength\" name=\"edit[$name]\" size=\"$size\" value=\"". check_form($value) ."\" />", $description);
}
function form_password($title, $name, $value, $size, $maxlength, $description = 0) {
return form_item($title, "<input type=\"password\" maxlength=\"$maxlength\" name=\"edit[$name]\" size=\"$size\" value=\"". check_form($value) ."\" />", $description);
}
function form_textarea($title, $name, $value, $cols, $rows, $description = 0) {
module_invoke_all("textarea", $name); // eg. optionally plug in a WYSIWYG editor
return form_item($title, "<textarea wrap=\"virtual\" cols=\"$cols\" rows=\"$rows\" name=\"edit[$name]\" id=\"edit[$name]\">". 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 form_item($title, "<select name=\"edit[$name]". ($multiple ? "[]" : "") ."\"". ($multiple ? " multiple " : "") . ($extra ? " $extra" : "") .">$select</select>", $description);
}
}
function form_file($title, $name, $size, $description = 0) {
return form_item($title, "<input type=\"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) {
return "<input type=\"submit\" name=\"op\" 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, $extra);
}
function url($url = NULL, $query = NULL) {
global $base_url;
if (variable_get("clean_url", "0") == "0") {
if (isset($url)) {
if (isset($query)) {
return "$base_url/index.php?q=$url&amp;$query";
}
else {
return "$base_url/index.php?q=$url";
}
}
else {
if (isset($query)) {
return "$base_url/index.php?$query";
}
else {
return "$base_url/";
}
}
}
else {
if (isset($url)) {
if (isset($query)) {
return "$base_url/$url?$query";
}
else {
return "$base_url/$url";
}
}
else {
if (isset($query)) {
return "$base_url/index.php?$query";
}
else {
return "$base_url/";
}
}
}
}
function l($text, $url, $attributes = array(), $query = NULL) {
$t = array();
foreach ($attributes as $key => $value) {
$t[] = "$key=\"$value\"";
}
return "<a href=\"". url($url, $query) ."\" ". implode($t, " ") .">$text</a>";
}
function field_get($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, $base_url;
if (is_array($custom_links)) {
return $custom_links;
}
else {
$links = module_invoke_all("link", "page");
array_unshift($links, "<a href=\"$base_url/\" title=\"". t("Return to the main page.") ."\">". t("home") ."</a>");
return $links;
}
}
function link_node($node, $main = 0) {
return module_invoke_all("link", "node", $node, $main);
}
function timer_start() {
global $timer;
list($usec, $sec) = explode(" ", microtime());
$timer = (float)$usec + (float)$sec;
}
function drupal_page_header() {
if (variable_get("dev_timer", 0)) {
timer_start();
}
if (variable_get("cache", 0)) {
if ($cache = page_get_cache()) {
$date = gmdate("D, d M Y H:i:s", $cache->created) ." GMT";
header("Last-Modified: $date");
header("ETag: \"$date\"");
if (function_exists("getallheaders") && $headers = getallheaders()) {
/*
** Notice that the above is an optional Apache-ism so for the
** time being we don't send 304 headers when "getallheaders()"
** is not supported (eg. on IIS webservers).
*/
if ($headers["If-Modified-Since"] == $date && $headers["If-None-Match"] == "\"$date\"") {
header("HTTP/1.0 304 Not Modified");
exit();
}
}
print $cache->data;
exit();
}
}
}
function drupal_page_footer() {
if (variable_get("cache", 0)) {
page_set_cache();
}
// a hook for modules where modules may take action at the end of a request
// good uses include setting a cache, page logging, etc.
module_invoke_all("exit");
}
unset($conf);
$config = conf_init();
include_once "includes/$config.php";
include_once "includes/database.inc";
include_once "includes/module.inc";
include_once "includes/theme.inc";
include_once "includes/pager.inc";
include_once "includes/menu.inc";
include_once "includes/xmlrpc.inc";
// initialize configuration variables, using values from conf.php if available:
$conf = variable_init(isset($conf) ? $conf : array());
// set error handler:
set_error_handler("error_handler");
// initialize installed modules:
module_init();
// initialize localization system:
$locale = locale_init();
// initialize theme:
$theme = theme_init();
?>