tag. * @{ */ function drupal_set_html_head($data = NULL) { static $stored_head = ''; if (!is_null($data)) { $stored_head .= "$data\n"; } return $stored_head; } function drupal_get_html_head() { global $base_url; $output = "\n"; $output .= "\n"; $output .= "\n"; return $output . drupal_set_html_head(); } /* @} */ /** * @name URL path alias * @ingroup common * * Functions to handle path aliases. */ function drupal_get_path_map($action = "") { static $map = NULL; if ($action == "rebuild") { $map = NULL; } if (is_null($map)) { $map = array(); // make $map non-null in case no aliases are defined $result = db_query("SELECT * FROM {url_alias}"); while ($data = db_fetch_object($result)) { $map[$data->dst] = $data->src; } } return $map; } function drupal_rebuild_path_map() { drupal_get_path_map("rebuild"); } /** * Given an old url, return the alias. */ function drupal_get_path_alias($path) { if (($map = drupal_get_path_map()) && ($newpath = array_search($path, $map))) { return $newpath; } elseif (function_exists("conf_url_rewrite")) { return conf_url_rewrite($path, 'outgoing'); } } /** * Given an alias, return the default url. */ function drupal_get_normal_path($path) { if (($map = drupal_get_path_map()) && isset($map[$path])) { return $map[$path]; } elseif (function_exists("conf_url_rewrite")) { return conf_url_rewrite($path, 'incoming'); } else { return $path; } } /* @} */ /** * @name HTTP headers * @ingroup common * * Functions to get and set the HTTP headers of the current page. * @{ */ function drupal_set_header($header = NULL) { static $stored_headers = ''; if (!is_null($header)) { header($header); $stored_headers .= "$header\n"; } return $stored_headers; } function drupal_get_headers() { return drupal_set_header(); } /* @} */ /** * @name HTTP handling * @ingroup common * * Functions to properly handle HTTP responses. * @{ */ /** * HTTP redirects. Makes sure the redirected url is formatted correctly and * includes the session ID. * * @note This function ends the request. * * @param $url A Drupal URL * @param $query Query string component * @param $fragment Fragment identifier */ function drupal_goto($url = NULL, $query = NULL, $fragment = NULL) { /* ** Translate & to simply & in the absolute URL */ $url = str_replace("&", "&", url($url, $query, $fragment, TRUE)); /* ** It is advised to use "drupal_goto()" instead of PHP's "header()" as ** "drupal_goto()" will append the user's session ID to the URI when PHP ** is compiled with "--enable-trans-sid". */ if (!ini_get("session.use_trans_sid") || !session_id() || strstr($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?". $sid); } } /* ** The "Location" header sends a REDIRECT status code to the http ** daemon. In some cases this can go wrong, so we make sure none ** of the code /below/ gets executed when we redirect. */ exit(); } /** * Generates a 404 error if the request can not be handled. */ function drupal_not_found() { header('HTTP/1.0 404 Not Found'); watchdog('httpd', '404 error: "'. check_query($_GET['q']) .'" not found'); $path = drupal_get_normal_path(variable_get('site_404', '')); $status = MENU_FALLTHROUGH; if ($path) { menu_set_active_item($path); $status = menu_execute_active_handler(); } if ($status != MENU_FOUND) { print theme('page', '', t('Page not found')); } } /** * Generates a 403 error if the request is not allowed. */ function drupal_access_denied() { header('HTTP/1.0 403 Forbidden'); $path = drupal_get_normal_path(variable_get('site_403', '')); $status = MENU_FALLTHROUGH; if ($path) { menu_set_active_item($path); $status = menu_execute_active_handler(); } if ($status != MENU_FOUND) { print theme('page', message_access(), t('Access denied')); } } /** * Flexible and powerful HTTP client implementation. Allows to GET, POST, PUT * or any other HTTP requests. Handles redirects. * * @param $url A string containing a fully qualified URI. * @param $headers An array containing a HTTP header => value pair. * @param $method A string defining the HTTP request to use. * @param $data A string containing data to include in the request. * @param $retry An integer representing how many times to retry the request * in case of a redirect. * @return An object containing the HTTP request headers, response code, * headers, data, and redirect status. */ function drupal_http_request($url, $headers = array(), $method = 'GET', $data = NULL, $retry = 3) { // Parse the URL, and make sure we can handle the schema $uri = parse_url($url); switch ($uri['scheme']) { case 'http': $fp = @fsockopen($uri['host'], ($uri['port'] ? $uri['port'] : 80), $errno, $errstr, 15); break; case 'https': // Note: only works for PHP 4.3 compiled with openssl $fp = @fsockopen("ssl://$uri[host]", ($uri['port'] ? $uri['port'] : 443), $errno, $errstr, 20); break; default: $result->error = "invalid schema $uri[scheme]"; return $result; } // Make sure the socket opened properly if (!$fp) { $result->error = trim("$errno $errstr"); return $result; } // Construct the path to act on $path = $uri['path'] ? $uri['path'] : '/'; if ($uri['query']) { $path .= "?$uri[query]"; } // Create http request $defaults = array( 'Host' => "Host: $uri[host]", 'User-Agent' => 'User-Agent: Drupal (+http://www.drupal.org/)', 'Content-Length' => 'Content-Length: '. strlen($data) ); foreach ($headers as $header => $value) { $defaults[$header] = "$header: $value"; } $request = "$method $path HTTP/1.0\r\n"; $request .= implode("\r\n", $defaults); $request .= "\r\n\r\n"; if ($data) { $request .= "$data\r\n"; } $result->request = $request; fwrite($fp, $request); // Fetch response. while (!feof($fp) && $data = fread($fp, 1024)) { $response[] = $data; } fclose($fp); // Parse response. list($protocol, $code, $text) = explode(' ', trim(array_shift($response)), 3); $result->headers = array(); $result->data = ''; // Parse headers. while ($line = trim(array_shift($response))) { if ($line == '') { break; } list($header, $value) = explode(':', $line, 2); $result->headers[$header] = trim($value); } $result->data = implode('', $response); $responses = array( 100 => 'Continue', 101 => 'Switching Protocols', 200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content', 300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 307 => 'Temporary Redirect', 400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Time-out', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Large', 415 => 'Unsupported Media Type', 416 => 'Requested range not satisfiable', 417 => 'Expectation Failed', 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Time-out', 505 => 'HTTP Version not supported' ); // RFC 2616 states that all unknown HTTP codes must be treated the same as // the base code in their class: if (!isset($responses[$code])) { $code = floor($code / 100) * 100; } switch ($code) { case 200: // OK case 304: // Not modified break; case 301: // Moved permanently case 302: // Moved temporarily case 307: // Moved temporarily $location = $result->headers['Location']; if ($retry) { $result = drupal_http_request($result->headers['Location'], $headers, $method, $data, --$retry); $result->redirect_code = $result->code; } $result->redirect_url = $location; break; default: $result->error = $text; } $result->code = $code; return $result; } /* @} */ function error_handler($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."); if (error_reporting()) { print "
$entry
"; } } } function _fix_gpc_magic(&$item, $key) { if (is_array($item)) { array_walk($item, '_fix_gpc_magic'); } else { $item = stripslashes($item); } } function fix_gpc_magic() { static $fixed = false; if (!$fixed && ini_get("magic_quotes_gpc")) { array_walk($_GET, '_fix_gpc_magic'); array_walk($_POST, '_fix_gpc_magic'); array_walk($_COOKIE, '_fix_gpc_magic'); array_walk($_REQUEST, '_fix_gpc_magic'); $fixed = true; } } /** * @name Conversion * @ingroup common * * Converts data structures to a different type. * @{ */ function array2object($array) { if (is_array($array)) { foreach ($array as $key => $value) { $object->$key = $value; } } else { $object = $array; } return $object; } function object2array($object) { if (is_object($object)) { foreach ($object as $key => $value) { $array[$key] = $value; } } else { $array = $object; } return $array; } /* @} */ /** * @name Messages * @ingroup common * * Frequently used messages. * @{ */ function message_access() { return t("You are not authorized to access this page."); } function message_na() { return t("n/a"); } /* @} */ function locale_init() { global $languages, $user; if ($user->uid && $languages[$user->language]) { return $user->language; } else { return key($languages); } } /** * @ingroup common * * Translates strings to the current locale. * * When using t(), try to put entire sentences and strings in one t() call. * This makes it easier for translators. We are unafraid of HTML markup within * translation strings if necessary. The suggested syntax for a link embedded * within a translation string is for example: * @code * $msg = t("You must login below or \create a new * account\ before viewing the next page.", array("%url" * => url("user/register"))); * @endcode * We suggest the same syntax for links to other sites. This makes it easy to * change link URLs if needed (which happens often) without requiring updates * to translations. * * @param $string A string containing the english string to translate. * @param $args Array of values to replace in the string. * @return Translated string. */ function t($string, $args = 0) { global $languages; $string = ($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); } /** * @name Validation * @ingroup common * * Functions to validate user input. * @{ */ /** * Verify the syntax of the given e-mail address. Empty e-mail addresses are * allowed. See RFC 2822 for details. * * @param $mail A string containing an email address. * @return */ function valid_email_address($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}'; $ipv6 = '[0-9a-fA-F]{1,4}(\:[0-9a-fA-F]{1,4}){7}'; return preg_match("/^$user@($domain|(\[($ipv4|$ipv6)\]))$/", $mail); } /** * Verify the syntax of the given URL. * * @param $url * an URL * @param $absolute * is the URL to be verified absolute, ie. of the form \://\/...? * @return * valid syntax: TRUE; FALSE otherwise */ function valid_url($url, $absolute = FALSE) { if ($absolute) { return preg_match("/^(http|https|ftp):\/\/[a-z0-9\/:_\-_\.\?,~=#&]+$/i", $url); } else { return preg_match("/^[a-z0-9\/:_\-_\.,]+$/i", $url); } } function valid_input_data($data) { if (is_array($data) || is_object($data)) { /* ** Form data can contain a number of nested arrays. */ foreach ($data as $key => $value) { if (!valid_input_data($key) || !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; } /* @} */ /** * @defgroup search Search interface * @{ */ /** * 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 = "
". $item["title"] ."
"; $output .= "
" . t($type) . ($item["user"] ? " - ". $item["user"] : "") ."". ($item["date"] ? " - ". format_date($item["date"], "small") : "") ."
"; } 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) { $edit = $_POST['edit']; if (!$action) { $action = url("search"); } $output = "

"; $output .= " \n"; if ($options) { $output .= "
"; $output .= t("Restrict search to") .": "; foreach (module_list() as $name) { if (module_hook($name, "search")) { $output .= " ". t($name); } } $output .= "
"; } return form($output, "post", $action); } /* * Collect the search results: */ function search_data($keys = NULL) { $edit = $_POST["edit"]; $output = ''; if (isset($keys)) { foreach (module_list() as $name) { if (module_hook($name, "search") && (!$edit["type"] || $edit["type"][$name])) { list($title, $results) = module_invoke($name, "search", $keys); if ($results) { $output .= "

$title

"; $output .= "
"; foreach ($results as $entry) { $output .= search_item($entry, $name); } $output .= "
"; } } } } 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, $options) . "
". search_data($keys); } /* @} */ function check_form($text) { return drupal_specialchars($text, ENT_QUOTES); } function check_file($filename) { return is_uploaded_file($filename); } /** * @name Formatting * @ingroup common * * Functions to format numbers, strings, dates, etc. * @{ */ function format_rss_channel($title, $link, $description, $items, $language = "en", $args = array()) { // arbitrary elements may be added using the $args associative array $output = "\n"; $output .= " ". drupal_specialchars(strip_tags($title)) ."\n"; $output .= " ". drupal_specialchars(strip_tags($link)) ."\n"; $output .= " ". drupal_specialchars(strip_tags($description)) ."\n"; $output .= " ". drupal_specialchars(strip_tags($language)) ."\n"; foreach ($args as $key => $value) { $output .= " <$key>". drupal_specialchars(strip_tags($value)) ."\n"; } $output .= $items; $output .= "\n"; return $output; } function format_rss_item($title, $link, $description, $args = array()) { // arbitrary elements may be added using the $args associative array $output = "\n"; $output .= " ". drupal_specialchars(strip_tags($title)) ."\n"; $output .= " ". drupal_specialchars(strip_tags($link)) ."\n"; $output .= " ". drupal_specialchars(check_output($description)) ."\n"; foreach ($args as $key => $value) { $output .= "<$key>". drupal_specialchars(strip_tags($value)) .""; } $output .= "\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 $plural The string for the plural case. Please make sure it's clear * this is plural, to ease translation. Use %count in places of the item * count, as in "%count new comments". * @return Translated string */ function format_plural($count, $singular, $plural) { return t($count == 1 ? $singular : $plural, array("%count" => $count)); } /** * Generates a string representation for the given byte count. * * @param $size The size in bytes * @return Translated string representation of the size */ function format_size($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)); } /** * Formats a time interval with the requested granularity. * * @param $timestamp The length of the interval in seconds * @param $granularity How much units to consider when generating the string * @return Translated string representation of the interval */ function format_interval($timestamp, $granularity = 2) { $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); $output = ''; foreach ($units as $key => $value) { $key = explode("|", $key); if ($timestamp >= $value) { $output .= ($output ? " " : "") . format_plural(floor($timestamp / $value), $key[0], $key[1]); $timestamp %= $value; $granularity--; } if ($granularity == 0) { break; } } return $output ? $output : t("0 sec"); } /** * Formats a date with the given configured format or a custom format string. * Drupal allows administrators to select formatting strings for 'small', * 'medium' and 'large' date formats. This function can handle these formats, * as well as any custom format. * * @param $timestamp The exact date to format * @param $type Could be 'small', 'medium' or 'large' for the preconfigured * date formats. If 'custom' is specified, the next parameter * should contain the format string * @param $format Format string (as required by the PHP date() function). * Only required if 'custom' date format is requested. * @param $timezone Timezone offset in seconds in case the user timezone * should not be used. * @return Translated date string in the requested format */ function format_date($timestamp, $type = 'medium', $format = '', $timezone = NULL) { if ($timezone === NULL) { global $user; $timezone = $user->uid ? $user->timezone : variable_get('date_default_timezone', 0); } $timestamp += $timezone; switch ($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'); } $max = strlen($format); $date = ''; for ($i = 0; $i <= $max; $c = $format{$i++}) { if (strpos('AaDFlM', $c)) { $date .= t(gmdate($c, $timestamp)); } else if (strpos('BdgGhHiIjLmnsStTUwWYyz', $c)) { $date .= gmdate($c, $timestamp); } else if ($c == 'r') { $date .= format_date($timestamp - $timezone, 'custom', 'D, d M Y H:i:s O', $timezone); } else if ($c == 'O') { $date .= sprintf('%s%02d%02d', ($timezone < 0 ? '-' : '+'), abs($timezone / 3600), abs($timezone % 3600) / 60); } else if ($c == 'Z') { $date .= $timezone; } else { $date .= $c; } } return $date; } /** * Formats a username. * * @param $object User object * @return String containing a HTML link to the user's page if the * passed object suggests that this is a site user. Otherwise * only the user name is returned. */ function format_name($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) { $name = truncate_utf8($object->name, 15) ."..."; } else { $name = $object->name; } if (arg(0) == "admin" and user_access("administer users")) { $output = l($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 $output; } /* @} */ /** * @defgroup from Form generation * @{ */ function form($form, $method = "post", $action = NULL, $attributes = NULL) { if (!$action) { $action = request_uri(); } return "
\n$form\n
\n"; } function form_item($title, $value, $description = NULL, $id = NULL, $required = FALSE) { return theme("form_element", $title, $value, $description, $id, $required); } function form_group($legend, $group, $description = NULL) { return "
" . ($legend ? "$legend" : "") . $group . ($description ? "
$description
" : "") . "
\n"; } function form_radio($title, $name, $value = 1, $checked = 0, $description = NULL, $attributes = NULL, $required = FALSE) { $element = "'; if (!is_null($title)) { $element = ""; } return theme('form_element', NULL, $element, $description, $required); } function form_radios($title, $name, $value, $options, $description = NULL, $required = FALSE) { if (count($options) > 0) { $choices = ''; foreach ($options as $key => $choice) { $choices .= "
"; } return theme('form_element', $title, $choices, $description, $required); } } function form_checkbox($title, $name, $value = 1, $checked = 0, $description = NULL, $attributes = NULL, $required = FALSE) { $element = "'; if (!is_null($title)) { $element = ""; } return form_hidden($name, 0) . theme('form_element', NULL, $element, $description, $required); } function form_textfield($title, $name, $value, $size, $maxlength, $description = NULL, $attributes = NULL, $required = FALSE) { $size = $size ? " size=\"$size\"" : ""; return theme("form_element", $title, "", $description, $name, $required); } function form_password($title, $name, $value, $size, $maxlength, $description = NULL, $attributes = NULL, $required = FALSE) { $size = $size ? " size=\"$size\"" : ""; return theme("form_element", $title, "", $description, $name, $required); } function form_textarea($title, $name, $value, $cols, $rows, $description = NULL, $attributes = NULL, $required = FALSE) { $cols = $cols ? " cols=\"$cols\"" : ""; module_invoke_all("textarea", $name); // eg. optionally plug in a WYSIWYG editor return theme("form_element", $title, "", $description, $name, $required); } function form_select($title, $name, $value, $options, $description = NULL, $extra = 0, $multiple = 0, $required = FALSE) { $select = ''; foreach ($options as $key => $choice) { $select .= ""; } return theme("form_element", $title, "", $description, $name, $required); } function form_file($title, $name, $size, $description = NULL, $required = FALSE) { return theme("form_element", $title, "\n", $description, $name, $required); } function form_hidden($name, $value) { return "\n"; } function form_button($value, $name = "op", $type = "submit", $attributes = NULL) { return "\n"; } function form_submit($value, $name = "op", $attributes = NULL) { return form_button($value, $name, "submit", $attributes); } function form_weight($title = NULL, $name = "weight", $value = 0, $delta = 10, $description = NULL, $extra = 0) { for ($n = (-1 * $delta); $n <= $delta; $n++) { $weights[$n] = $n; } return form_select($title, $name, $value, $weights, $description, $extra); } /* @} */ function url($url = NULL, $query = NULL, $fragment = NULL, $absolute = 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 = $alias; } if (isset($fragment)) { $fragment = "#$fragment"; } $base = ($absolute ? $base_url . '/' : ''); if (variable_get("clean_url", "0") == "0") { if (isset($url)) { if (isset($query)) { return "$base$script?q=$url&$query$fragment"; } else { return "$base$script?q=$url$fragment"; } } else { if (isset($query)) { return "$base$script?$query$fragment"; } else { return "$base$fragment"; } } } else { if (isset($url)) { if (isset($query)) { return "$base$url?$query$fragment"; } else { return "$base$url$fragment"; } } else { if (isset($query)) { return "$base$script?$query$fragment"; } else { return "$base$fragment"; } } } } function drupal_attributes($attributes = array()) { if (count($attributes)) { $t = array(); foreach ($attributes as $key => $value) { $t[] = "$key=\"$value\""; } return " ". implode($t, " "); } } function l($text, $url, $attributes = array(), $query = NULL, $fragment = NULL, $absolute = NULL) { if ($url == $_GET['q']) { if (isset($attributes['class'])) { $attributes['class'] .= ' active'; } else { $attributes['class'] = 'active'; } } return "$text"; } 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"); } /** * Walks through the provided array and constructs an associative * array out of it. The keys of the resulting array will be the * values of the passed array. The values will either be the same * (if no function was specified), or the results of the function * given the value. * * @param $array An array * @param $function A name of a function to apply to all values */ function drupal_map_assoc($array, $function = NULL) { if (!isset($function)) { $result = array(); foreach ($array as $value) { $result[$value] = $value; } return $result; } elseif (function_exists($function)) { $result = array(); foreach($array as $value) { $result[$value] = $function($value); } return $result; } } /** * Wrapper around xml_parser_create() which extracts the encoding from the XML * data first and sets the output encoding to UTF-8. This function should be * used instead of xml_parser_create(), because PHP's XML parser doesn't check * the input encoding itself. * * This is also where unsupported encodings should be converted. * Callers should take this into account: $data might have been changed after * the call. * * @param $data The XML data which will be parsed later. */ function drupal_xml_parser_create(&$data) { $encoding = 'utf-8'; if (ereg('^<\?xml[^>]+encoding="([^"]+)"', $data, $match)) { $encoding = $match[1]; } /* * Unsupported encodings are converted here into UTF-8. * Requires iconv, see http://www.php.net/iconv */ $php_supported = array('utf-8', 'iso-8859-1', 'us-ascii'); if (!in_array(strtolower($encoding), $php_supported)) { if (function_exists('iconv')) { $out = iconv($encoding, 'utf-8', $data); if ($out !== false) { $data = $out; $encoding = 'utf-8'; } } } $xml_parser = xml_parser_create($encoding); xml_parser_set_option($xml_parser, XML_OPTION_TARGET_ENCODING, 'utf-8'); return $xml_parser; } /** * UTF-8-safe string truncation * If the end position is in the middle of a UTF-8 sequence, it scans backwards * until the beginning of the byte sequence. * * Use this function whenever you want to chop off a string at an unsure * location. On the other hand, if you're sure that you're splitting on a * character boundary (e.g. after using strpos or similar), you can safely use * substr() instead. * * @param $string The string to truncate * @param $len An upper limit on the returned string length. */ function truncate_utf8($string, $len) { $slen = strlen($string); if ($slen <= $len) { return $string; } if ((ord($string[$len]) < 0x80) || (ord($string[$len]) >= 0xC0)) { return substr($string, 0, $len); } while (ord($string[--$len]) < 0xC0) {}; return substr($string, 0, $len); } include_once "includes/theme.inc"; include_once "includes/pager.inc"; include_once "includes/menu.inc"; include_once "includes/xmlrpc.inc"; include_once "includes/tablesort.inc"; include_once "includes/file.inc"; // set error handler: set_error_handler("error_handler"); // spit out the correct charset http header header("Content-Type: text/html; charset=utf-8"); // initialize the _GET["q"] prior to loading the modules and invoking their 'init' hook: if (!empty($_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(); ?>