common.inc 29.5 KB
Newer Older
Dries's avatar
   
Dries committed
1
2
3
4
5
6
7
8
9
10
11
<?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'.
  */

Dries's avatar
   
Dries committed
12
  $uri = $_SERVER["PHP_SELF"];
Dries's avatar
   
Dries committed
13

Dries's avatar
   
Dries committed
14
  $file = strtolower(strtr($_SERVER["HTTP_HOST"] . substr($uri, 0, strrpos($uri, "/")), "/:", ".."));
Dries's avatar
   
Dries committed
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

  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.";
Dries's avatar
   
Dries committed
31
32

  if ($errno & E_ALL ^ E_NOTICE) {
Dries's avatar
   
Dries committed
33
    watchdog("error", $types[$errno] .": $message in $filename on line $line.");
34
    print "<pre>$entry</pre>";
Dries's avatar
   
Dries committed
35
36
37
  }
}

Dries's avatar
   
Dries committed
38
function watchdog($type, $message, $link = NULL) {
Dries's avatar
   
Dries committed
39
  global $user;
Dries's avatar
   
Dries committed
40
  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());
Dries's avatar
   
Dries committed
41
42
43
44
45
46
47
48
49
50
51
52
53
54
}

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");
    }
  }
}

Dries's avatar
   
Dries committed
55
56
function check_php_setting($name, $value) {
  if (ini_get($name) != $value) {
Steven Wittens's avatar
Steven Wittens committed
57
    print "<p>Note that the value of PHP's configuration option <code><b>$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>";
Dries's avatar
   
Dries committed
58
59
60
  }
}

Dries's avatar
   
Dries committed
61
62
63
64
65
function arg($index) {

  static $arguments;

  if (empty($arguments)) {
Dries's avatar
   
Dries committed
66
    $arguments = explode("/", $_GET["q"]);
Dries's avatar
   
Dries committed
67
68
69
70
71
  }

  return $arguments[$index];
}

Dries's avatar
   
Dries committed
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
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;
}

Dries's avatar
   
Dries committed
100
101
102
103
104
105
106
107
108
function referer_uri() {

  if (isset($_SERVER["HTTP_REFERER"])) {
    $uri = $_SERVER["HTTP_REFERER"];

    return check_url($uri);
  }
}

Dries's avatar
   
Dries committed
109
function request_uri() {
Dries's avatar
   
Dries committed
110
111
112
113
  /*
  ** Since request_uri() is only available on Apache, we generate
  ** equivalent using other environment vars.
  */
Dries's avatar
   
Dries committed
114

Dries's avatar
   
Dries committed
115
  if (isset($_SERVER["REQUEST_URI"])) {
116
    $uri = $_SERVER["REQUEST_URI"];
Dries's avatar
   
Dries committed
117
118
  }
  else {
119
    $uri = $_SERVER["PHP_SELF"] ."?". $_SERVER["QUERY_STRING"];
Dries's avatar
   
Dries committed
120
  }
121

Dries's avatar
   
Dries committed
122
  return check_url($uri);
Dries's avatar
   
Dries committed
123
124
}

Dries's avatar
   
Dries committed
125
function message_access() {
Dries's avatar
   
Dries committed
126
  return t("You are not authorized to access this page.");
Dries's avatar
   
Dries committed
127
128
129
130
131
132
133
134
135
136
}

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.");
}

Dries's avatar
   
Dries committed
137
138
function locale_init() {
  global $languages, $user;
Dries's avatar
   
Dries committed
139
140
141
142
143
144
  if ($user->uid && $languages[$user->language]) {
    return $user->language;
  }
  else {
    return key($languages);
  }
Dries's avatar
   
Dries committed
145
146
}

Dries's avatar
   
Dries committed
147
function t($string, $args = 0) {
Dries's avatar
   
Dries committed
148
  global $languages;
149

Dries's avatar
   
Dries committed
150
151
152
153
154
155
156
  /*
  ** 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
Dries's avatar
   
Dries committed
157
158
  **           account</a> before viewing the next page.", array("%url"
  **           => url("user/register")));
Dries's avatar
   
Dries committed
159
160
  */

161
  $string = ($languages && module_exist("locale") ? locale($string) : $string);
162

Dries's avatar
   
Dries committed
163
164
  if (!$args) {
    return $string;
Kjartan's avatar
Kjartan committed
165
166
  }
  else {
Dries's avatar
   
Dries committed
167
168
    return strtr($string, $args);
  }
Dries's avatar
   
Dries committed
169
170
171
172
173
174
}

function variable_init($conf = array()) {
  $result = db_query("SELECT * FROM variable");
  while ($variable = db_fetch_object($result)) {
    if (!isset($conf[$variable->name])) {
Dries's avatar
   
Dries committed
175
      $conf[$variable->name] = unserialize($variable->value);
Dries's avatar
   
Dries committed
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
    }
  }

  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;

Dries's avatar
   
Dries committed
191
  db_query("DELETE FROM variable WHERE name = '%s'", $name);
Dries's avatar
   
Dries committed
192
  db_query("INSERT INTO variable (name, value) VALUES ('%s', '%s')", $name, serialize($value));
Dries's avatar
   
Dries committed
193
194
195
196
197
198
199

  $conf[$name] = $value;
}

function variable_del($name) {
  global $conf;

Dries's avatar
   
Dries committed
200
  db_query("DELETE FROM variable WHERE name = '%s'", $name);
Dries's avatar
   
Dries committed
201
202
203
204

  unset($conf[$name]);
}

Dries's avatar
   
Dries committed
205
206
207
208
function drupal_specialchars($input) {
  return htmlspecialchars($input, ENT_NOQUOTES, variable_get("site_charset", "iso-8859-1"));
}

Dries's avatar
   
Dries committed
209
function table_cell($cell, $header = 0) {
Dries's avatar
   
Dries committed
210
  if (is_array($cell)) {
Dries's avatar
   
Dries committed
211
212
213
214
215
216
217
218
219
220
221
    $data = $cell["data"];
    foreach ($cell as $key => $value) {
      if ($key != "data")  {
        $attributes .= " $key=\"$value\"";
      }
    }
  }
  else {
    $data = $cell;
  }

Dries's avatar
   
Dries committed
222
  if ($header) {
Dries's avatar
   
Dries committed
223
224
225
226
227
228
229
230
231
232
233
    $output = "<th$attributes>$data</th>";
  }
  else {
    $output = "<td$attributes>$data</td>";
  }

  return $output;
}

function table($header, $rows) {

234
  $output = "<table>\n";
Dries's avatar
   
Dries committed
235
236
237
238
239

  /*
  ** Emit the table header:
  */

Dries's avatar
   
Dries committed
240
241
242
243
244
  if (is_array($header)) {
    $output .= " <tr>";
    foreach ($header as $cell) {
      $output .= table_cell($cell, 1);
    }
Dries's avatar
   
Dries committed
245
    $output .= " </tr>\n";
Dries's avatar
   
Dries committed
246
247
248
249
250
251
  }

  /*
  ** Emit the table rows:
  */

Dries's avatar
   
Dries committed
252
253
254
255
256
257
258
259
  if (is_array($rows)) {
    foreach ($rows as $number => $row) {
      if ($number % 2 == 1) {
        $output .= " <tr class=\"light\">";
      }
      else {
        $output .= " <tr class=\"dark\">";
      }
Dries's avatar
   
Dries committed
260

Dries's avatar
   
Dries committed
261
262
263
      foreach ($row as $cell) {
        $output .= table_cell($cell, 0);
      }
Dries's avatar
   
Dries committed
264
      $output .= " </tr>\n";
Dries's avatar
   
Dries committed
265
266
267
    }
  }

Dries's avatar
   
Dries committed
268
  $output .= "</table>\n";
Dries's avatar
   
Dries committed
269
270
271
272

  return $output;
}

273
274
275
276
277
278
/**
 * 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
 */
Dries's avatar
   
Dries committed
279
function valid_email_address($mail) {
280
281
282
283
284
285
286
287
288
289
290
291
292
  $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;
  }
}

Kjartan's avatar
Kjartan committed
293
294
295
296
/**
 * Format a single result entry of a search query:
 *
 * @param $item  a single search result as returned by <module>_search of type
Dries's avatar
   
Dries committed
297
 *               array("count" => ..., "link" => ..., "title" => ...,
Kjartan's avatar
Kjartan committed
298
299
300
 *               "user" => ..., "date" => ..., "keywords" => ...)
 * @param $type  module type of this item
 */
Dries's avatar
   
Dries committed
301
function search_item($item, $type) {
Dries's avatar
   
Dries committed
302
303
304
305
306
307
308
309
310
311
312
313
314
315

  /*
  ** 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 />";
  }
Dries's avatar
   
Dries committed
316
317
318
319

  return $output;
}

Kjartan's avatar
Kjartan committed
320
321
322
323
/**
 * Render a generic search form.
 *
 * "Generic" means "universal usable" - that is, usable not only from
Dries's avatar
   
Dries committed
324
 * 'site.com/search', but also as a simple seach box (without
Dries's avatar
   
Dries committed
325
326
 * "Restrict search to", help text, etc) from theme's header etc.
 * This means: provide options to only conditionally render certain
Kjartan's avatar
Kjartan committed
327
328
 * parts of this form.
 *
Dries's avatar
   
Dries committed
329
 * @param $action  Form action. Defaults to 'site.com/search'.
Kjartan's avatar
Kjartan committed
330
 * @param $query   Query string. Defaults to global $keys.
Dries's avatar
   
Dries committed
331
 * @param $options != 0: Render additional form fields/text
Kjartan's avatar
Kjartan committed
332
333
 *                 ("Restrict search to", help text, etc).
 */
Dries's avatar
   
Dries committed
334
function search_form($action = 0, $query = 0, $options = 0) {
335
  $keys = $_POST["keys"];
Dries's avatar
   
Dries committed
336
337

  if (!$action) {
Dries's avatar
   
Dries committed
338
    $action = url("search");
Dries's avatar
   
Dries committed
339
340
341
342
343
344
  }

  if (!$query) {
    $query = $keys;
  }

Kjartan's avatar
Kjartan committed
345
346
  $output .= " <br /><input type=\"text\" size=\"50\" value=\"". check_form($keys) ."\" name=\"keys\" />";
  $output .= " <input type=\"submit\" value=\"". t("Search") ."\" />\n";
Dries's avatar
   
Dries committed
347
348
349
350
351
352
353

  if ($options != 0) {
    $output .= "<br />";
    $output .= t("Restrict search to") .": ";

    foreach (module_list() as $name) {
      if (module_hook($name, "search")) {
Kjartan's avatar
Kjartan committed
354
        $output .= " <input type=\"checkbox\" name=\"edit[type][$name]\" ". ($edit["type"][$name] ? " checked=\"checked\"" : "") ." /> ". t($name);
Dries's avatar
   
Dries committed
355
356
357
358
      }
    }
  }

Kjartan's avatar
Kjartan committed
359
360
  $form .= "<br />";

Dries's avatar
   
Dries committed
361
362
363
364
  return form($output, "post", $action);
}

/*
Kjartan's avatar
Kjartan committed
365
366
 * Collect the search results:
 */
Dries's avatar
   
Dries committed
367
function search_data() {
Dries's avatar
   
Dries committed
368

369
  $keys = $_POST["keys"];
Dries's avatar
   
Dries committed
370
  $edit = $_POST["edit"];
Dries's avatar
   
Dries committed
371

Dries's avatar
   
Dries committed
372
  if (isset($keys)) {
Dries's avatar
   
Dries committed
373
374
    foreach (module_list() as $name) {
      if (module_hook($name, "search") && (!$edit["type"] || $edit["type"][$name]) && ($result = module_invoke($name, "search", check_query($keys)))) {
Kjartan's avatar
Kjartan committed
375
        if ($name == "node" || $name == "comment") {
Dries's avatar
   
Dries committed
376
          $output .= "<p><b>". t("Matching ". $name ."s ranked in order of relevance") .":</b></p>";
Kjartan's avatar
Kjartan committed
377
378
        }
        else {
Dries's avatar
   
Dries committed
379
          $output .= "<p><b>". t("Matching ". $name ."s") .":</b></p>";
Kjartan's avatar
Kjartan committed
380
        }
Dries's avatar
   
Dries committed
381
382
383
384
385
        foreach ($result as $entry) {
          $output .= search_item($entry, $name);
        }
      }
    }
Kjartan's avatar
Kjartan committed
386
    if (!$output) {
Dries's avatar
   
Dries committed
387
388
389
390
391
392
393
      $output .= t("Your search yielded no results.");
    }
  }

  return $output;
}

Kjartan's avatar
Kjartan committed
394
395
396
/**
 * Display the search form and the resulting data.
 *
Dries's avatar
   
Dries committed
397
 * @param $type    If set, search only nodes of this type.
Kjartan's avatar
Kjartan committed
398
 *                 Otherwise, search all types.
Dries's avatar
   
Dries committed
399
 * @param $action  Form action. Defaults to 'site.com/search'.
Kjartan's avatar
Kjartan committed
400
 * @param $query   Query string. Defaults to global $keys.
Dries's avatar
   
Dries committed
401
 * @param $options != 0: Render additional form fields/text
Kjartan's avatar
Kjartan committed
402
403
 *                 ("Restrict search to", help text, etc).
 */
Dries's avatar
   
Dries committed
404
function search_type($type = 0, $action = 0, $query = 0, $options = 0) {
Dries's avatar
   
Dries committed
405

Dries's avatar
   
Dries committed
406
  if (isset($type)) {
Dries's avatar
   
Dries committed
407
    $_POST["edit"]["type"][$type] = "on";
Dries's avatar
   
Dries committed
408
409
410
411
412
  }

  return search_form($action, $query, $options) . search_data();
}

Dries's avatar
   
Dries committed
413

Dries's avatar
   
Dries committed
414
415
function drupal_goto($url) {

Dries's avatar
   
Dries committed
416
417
418
  /*
  ** Translate &amp; to simply &
  */
Dries's avatar
   
Dries committed
419

Dries's avatar
   
Dries committed
420
  $url = str_replace("&amp;", "&", $url);
Dries's avatar
   
Dries committed
421

Dries's avatar
   
Dries committed
422
423
424
425
426
  /*
  ** 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".
  */
Dries's avatar
   
Dries committed
427
  if (!ini_get("session.use_trans_sid") || !session_id() || strstr($url, session_id())) {
Dries's avatar
   
Dries committed
428
429
430
    header("Location: $url");
  }
  else {
Dries's avatar
   
Dries committed
431
432
433
434
435
436
437
438
    $sid = session_name() . "=" . session_id();

    if (strstr($url, "?") && !strstr($url, $sid)) {
      header("Location: $url&". $sid);
    }
    else {
      header("Location: $url?". $sid);
    }
Dries's avatar
   
Dries committed
439
440
441
442
  }

  /*
  ** The "Location" header sends a REDIRECT status code to the http
Dries's avatar
   
Dries committed
443
  ** daemon.  In some cases this can go wrong, so we make sure none
Dries's avatar
   
Dries committed
444
445
446
447
448
449
450
451
452
453
454
  ** of the code /below/ gets executed when we redirect.
  */

  exit();
}

/*
** Stores the referer in a persistent variable:
*/

function referer_save() {
Dries's avatar
   
Dries committed
455
456
  if (!strstr(referer_uri(), request_uri())) {
    $_SESSION["referer"] = referer_uri();
Dries's avatar
   
Dries committed
457
458
459
460
461
462
463
464
  }
}

/*
** Restores the referer from a persistent variable:
*/

function referer_load() {
Dries's avatar
   
Dries committed
465
466
  if (isset($_SESSION["referer"])) {
    return $_SESSION["referer"];
Dries's avatar
   
Dries committed
467
468
469
470
471
472
  }
  else {
    return 0;
  }
}

Dries's avatar
   
Dries committed
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
function check_url($uri) {
  /*
  ** We pipe the request URI through htmlspecialchars() to prevent
  ** XSS attacks.
  */

  $uri = htmlspecialchars($uri, ENT_QUOTES);

  /*
  ** We replace ( and ) with their entity equivalents to prevent XSS
  ** attacks.
  */

  $uri = strtr($uri, array("(" => "&040;", ")" => "&041;"));

  return $uri;
}

Dries's avatar
   
Dries committed
491
function check_form($text) {
Dries's avatar
   
Dries committed
492
  return drupal_specialchars($text);
Dries's avatar
   
Dries committed
493
494
}

Dries's avatar
   
Dries committed
495
function check_query($text) {
Dries's avatar
   
Dries committed
496
  return addslashes($text);
Dries's avatar
   
Dries committed
497
498
499
}

function filter($text) {
Dries's avatar
   
Dries committed
500

Dries's avatar
   
Dries committed
501
502
503
504
505
506
507
508
509
510
511
512
513
  $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") {
Dries's avatar
   
Dries committed
514
515
516
517
518
      $text = module_invoke($name, "filter", $text);
    }
  }

  return $text;
Dries's avatar
   
Dries committed
519
520
}

Dries's avatar
   
Dries committed
521
522
function rewrite_old_urls($text) {

Dries's avatar
   
Dries committed
523
524
525
526
  global $base_url;

  $end = substr($base_url, 12);

Dries's avatar
   
Dries committed
527
528
529
  /*
  ** This is a *temporary* filter to rewrite old-style URLs to new-style
  ** URLs (clean URLs).  Currently, URLs are being rewritten dynamically
Dries's avatar
   
Dries committed
530
531
  ** (ie. "on output"), however when these rewrite rules have been tested
  ** enough, we will use them to permanently rewrite the links in node
Dries's avatar
   
Dries committed
532
533
534
  ** and comment bodies.
  */

Dries's avatar
   
Dries committed
535
  if (variable_get("clean_url", "0") == "0") {
Dries's avatar
   
Dries committed
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
    /*
    ** 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:
    */

Dries's avatar
   
Dries committed
552
    // rewrite 'node.php?id=<number>[&cid=<number>]' style URLs:
Dries's avatar
   
Dries committed
553
    $text = eregi_replace("$end/(node)\.php\?id=([[:digit:]]+)(&cid=)?([[:digit:]]*)", "$end/?q=\\1/view/\\2/\\4", $text);
Dries's avatar
   
Dries committed
554

Dries's avatar
   
Dries committed
555
    // rewrite 'module.php?mod=<name>{&<op>=<value>}' style URLs:
Dries's avatar
   
Dries committed
556
557
558
    $text = ereg_replace("$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);
Dries's avatar
   
Dries committed
559
560
  }
  else {
Dries's avatar
   
Dries committed
561
562
563
564
    /*
    ** Relative URLs:
    */

Dries's avatar
   
Dries committed
565
    // rewrite 'node.php?id=<number>[&cid=<number>]' style URLs:
Dries's avatar
   
Dries committed
566
    $text = eregi_replace("\"(node)\.php\?id=([[:digit:]]+)(&cid=)?([[:digit:]]*)", "\"\\1/view/\\2/\\4", $text);
Dries's avatar
   
Dries committed
567
568

    // rewrite 'module.php?mod=<name>{&<op>=<value>}' style URLs:
Dries's avatar
   
Dries committed
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
    $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);
}
Dries's avatar
   
Dries committed
585

Dries's avatar
   
Dries committed
586
587
588
  return $text;
}

Dries's avatar
   
Dries committed
589
function check_output($text) {
Dries's avatar
   
Dries committed
590
  if (isset($text)) {
Dries's avatar
   
Dries committed
591
592
593
594
    // filter content on output:
    $text = filter($text);

    // get the line breaks right:
Dries's avatar
   
Dries committed
595
    if (strip_tags($text, "<a><i><b><u><tt><code><cite><strong><img>") == $text) {
Dries's avatar
   
Dries committed
596
597
598
599
600
601
602
603
      $text = nl2br($text);
    }
  }
  else {
    $text = message_na();
  }

  return $text;
Dries's avatar
   
Dries committed
604
605
606
607
608
609
610
611
612
613
614
}

function check_file($filename) {
  if (is_uploaded_file($filename)) {
    return 1;
  }
  else {
    return 0;
  }
}

Dries's avatar
   
Dries committed
615
616
617
function format_rss_channel($title, $link, $description, $items, $language = "en", $args = array()) {
  // arbitrary elements may be added using the $args associative array

Dries's avatar
   
Dries committed
618
  $output .= "<channel>\n";
Dries's avatar
   
Dries committed
619
620
621
622
  $output .= " <title>". drupal_specialchars(strip_tags($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";
Dries's avatar
   
Dries committed
623
  foreach ($args as $key => $value) {
Dries's avatar
   
Dries committed
624
    $output .= "<$key>". drupal_specialchars(strip_tags($value)) ."</$key>";
Dries's avatar
   
Dries committed
625
  }
Dries's avatar
   
Dries committed
626
627
628
629
630
631
  $output .= $items;
  $output .= "</channel>\n";

  return $output;
}

Dries's avatar
   
Dries committed
632
633
634
function format_rss_item($title, $link, $description, $args = array()) {
  // arbitrary elements may be added using the $args associative array

Dries's avatar
   
Dries committed
635
  $output .= "<item>\n";
Dries's avatar
   
Dries committed
636
637
638
  $output .= " <title>". drupal_specialchars(strip_tags($title)) ."</title>\n";
  $output .= " <link>". drupal_specialchars(strip_tags($link)) ."</link>\n";
  $output .= " <description>". drupal_specialchars(check_output($description)) ."</description>\n";
Dries's avatar
   
Dries committed
639
  foreach ($args as $key => $value) {
Dries's avatar
   
Dries committed
640
    $output .= "<$key>". drupal_specialchars(strip_tags($value)) ."</$key>";
Dries's avatar
   
Dries committed
641
  }
Dries's avatar
   
Dries committed
642
643
644
645
646
  $output .= "</item>\n";

  return $output;
}

Dries's avatar
   
Dries committed
647
648
649
650
651
652
653
654
655
656
657
658
659
660
/**
 * 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".
 */
Dries's avatar
   
Dries committed
661
function format_plural($count, $singular, $plural) {
Dries's avatar
   
Dries committed
662
  return t($count == 1 ? $singular : $plural, array("%count" => $count));
Dries's avatar
   
Dries committed
663
664
665
}

function format_size($size) {
Dries's avatar
   
Dries committed
666
  $suffix = t("bytes");
Dries's avatar
   
Dries committed
667
668
  if ($size > 1024) {
    $size = round($size / 1024, 2);
Dries's avatar
   
Dries committed
669
    $suffix = t("KB");
Dries's avatar
   
Dries committed
670
671
672
  }
  if ($size > 1024) {
    $size = round($size / 1024, 2);
Dries's avatar
   
Dries committed
673
    $suffix = t("MB");
Dries's avatar
   
Dries committed
674
  }
Dries's avatar
   
Dries committed
675
  return t("%size %suffix", array("%size" => $size, "%suffix" => $suffix));
Dries's avatar
   
Dries committed
676
677
}

Dries's avatar
   
Dries committed
678
function cache_get($key) {
Dries's avatar
   
Dries committed
679
  $cache = db_fetch_object(db_query("SELECT data, created FROM cache WHERE cid = '%s'", $key));
Dries's avatar
   
Dries committed
680
  return $cache->data ? $cache : 0;
Dries's avatar
   
Dries committed
681
682
683
}

function cache_set($cid, $data, $expire = 0) {
684
685
  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);
Dries's avatar
   
Dries committed
686
687
  }
  else {
Dries's avatar
   
Dries committed
688
    db_query("INSERT INTO cache (cid, data, created, expire) VALUES('%s', '%s', %d, %d)", $cid, $data, time(), $expire);
Dries's avatar
   
Dries committed
689
  }
Dries's avatar
   
Dries committed
690
691
}

Dries's avatar
   
Dries committed
692
693
function cache_clear_all($cid = NULL) {
  if (empty($cid)) {
Dries's avatar
   
Dries committed
694
    db_query("DELETE FROM cache WHERE expire <> 0");
Dries's avatar
   
Dries committed
695
696
  }
  else {
Dries's avatar
   
Dries committed
697
    db_query("DELETE FROM cache WHERE cid = %d", $cid);
Dries's avatar
   
Dries committed
698
  }
Dries's avatar
   
Dries committed
699
700
701
}

function page_set_cache() {
Dries's avatar
   
Dries committed
702
  global $user;
Dries's avatar
   
Dries committed
703

Dries's avatar
   
Dries committed
704
  if (!$user->uid && $_SERVER["REQUEST_METHOD"] == "GET") {
Dries's avatar
   
Dries committed
705
    if ($data = ob_get_contents()) {
Dries's avatar
   
Dries committed
706
      cache_set(request_uri(), $data, (time() + variable_get("cache_clear", 120)));
Dries's avatar
   
Dries committed
707
708
709
710
    }
  }
}

Dries's avatar
   
Dries committed
711
function page_get_cache() {
Dries's avatar
   
Dries committed
712
  global $user;
Dries's avatar
   
Dries committed
713

Dries's avatar
   
Dries committed
714
715
  $cache = NULL;

Dries's avatar
   
Dries committed
716
  if (!$user->uid && $_SERVER["REQUEST_METHOD"] == "GET") {
Dries's avatar
   
Dries committed
717
718
719
    $cache = cache_get(request_uri());

    if (empty($cache)) {
Dries's avatar
   
Dries committed
720
      ob_start();
Dries's avatar
   
Dries committed
721
722
    }
  }
Dries's avatar
   
Dries committed
723

Dries's avatar
   
Dries committed
724
  return $cache;
Dries's avatar
   
Dries committed
725
726
727
}

function format_interval($timestamp) {
Dries's avatar
   
Dries committed
728
  $units = array("1 year|%count years" => 31536000, "1 week|%count weeks" => 604800, "1 day|%count days" => 86400, "1 hour|%count hours" => 3600, "1 min|%count min" => 60, "1 sec|%count sec" => 1);
Kjartan's avatar
Kjartan committed
729
  foreach ($units as $key=>$value) {
Dries's avatar
   
Dries committed
730
731
732
733
734
735
    $key = explode("|", $key);
    if ($timestamp >= $value) {
      $output .= ($output ? " " : "") . format_plural(floor($timestamp / $value), $key[0], $key[1]);
      $timestamp %= $value;
    }
  }
Dries's avatar
   
Dries committed
736
  return ($output) ? $output : t("0 sec");
Dries's avatar
   
Dries committed
737
738
739
740
741
}

function format_date($timestamp, $type = "medium", $format = "") {
  global $user;

Kjartan's avatar
Kjartan committed
742
  $timestamp += ($user->timezone) ? $user->timezone - date("Z") : 0;
Dries's avatar
   
Dries committed
743
744
745

  switch ($type) {
    case "small":
Dries's avatar
   
Dries committed
746
      $date = date(variable_get("date_format_short", "m/d/Y - H:i"), $timestamp);
Dries's avatar
   
Dries committed
747
748
      break;
    case "medium":
749
      $date = date(variable_get("date_format_medium", "D, m/d/Y - H:i"), $timestamp);
Dries's avatar
   
Dries committed
750
751
      break;
    case "large":
752
      $date = date(variable_get("date_format_long", "l, F j, Y - H:i"), $timestamp);
Dries's avatar
   
Dries committed
753
754
755
756
      break;
    case "custom":
      for ($i = strlen($format); $i >= 0; $c = $format[--$i]) {
        if (strstr("DFlMSw", $c)) {
757
          $date = t(date($c, $timestamp)) . $date;
Dries's avatar
   
Dries committed
758
        }
Kjartan's avatar
Kjartan committed
759
        else if (strstr("AaBdgGhHiIjLmnOrstTUWYyZz", $c)) {
760
          $date = date($c, $timestamp) . $date;
Dries's avatar
   
Dries committed
761
762
        }
        else {
Kjartan's avatar
Kjartan committed
763
          $date = $c.$date;
Dries's avatar
   
Dries committed
764
765
766
767
        }
      }
      break;
    default:
768
      $date = date(variable_get("date_format_medium", "l, m/d/Y - H:i"), $timestamp);
Dries's avatar
   
Dries committed
769
770
771
772
773
774
775
  }
  return $date;
}

function format_name($object) {

  if ($object->uid && $object->name) {
Dries's avatar
   
Dries committed
776
    if (arg(0) == "admin") {
Dries's avatar
   
Dries committed
777
      $output = l($object->name, "admin/user/edit/$object->uid", array("title" => t("Administer user profile.")));
Dries's avatar
   
Dries committed
778
779
    }
    else {
Dries's avatar
   
Dries committed
780
      $output = l($object->name, "user/view/$object->uid", array("title" => t("View user profile.")));
Dries's avatar
   
Dries committed
781
    }
Dries's avatar
   
Dries committed
782
  }
Dries's avatar
   
Dries committed
783
784
785
786
787
788
789
790
791
792
  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;
  }
Dries's avatar
   
Dries committed
793
  else {
Dries's avatar
   
Dries committed
794
    $output = t(variable_get("anonymous", "Anonymous"));
Dries's avatar
   
Dries committed
795
796
  }

Dries's avatar
   
Dries committed
797
  return $output;
Dries's avatar
   
Dries committed
798
799
800
}

function form($form, $method = "post", $action = 0, $options = 0) {
Dries's avatar
   
Dries committed
801
802

  if (!$action) {
803
    $action = request_uri();
Dries's avatar
   
Dries committed
804
805
  }
  return "<form action=\"$action\" method=\"$method\"". ($options ? " $options" : "") .">\n$form</form>\n";
Dries's avatar
   
Dries committed
806
807
808
}

function form_item($title, $value, $description = 0) {
Dries's avatar
   
Dries committed
809
  return "<div class=\"form-item\">". ($title ? "<div class=\"title\">$title:</div>" : "") . $value . ($description ? "<div class=\"description\">$description</div>" : "") ."</div>\n";
Dries's avatar
   
Dries committed
810
811
}

Dries's avatar
   
Dries committed
812
function form_radio($title, $name, $value = 1, $checked = 0, $description = 0) {
813
  return form_item(0, "<input type=\"radio\" class=\"form-radio\" name=\"edit[$name]\" value=\"". $value ."\"". ($checked ? " checked=\"checked\"" : "") ." /> $title", $description);
Dries's avatar
   
Dries committed
814
815
}

816
function form_checkbox($title, $name, $value = 1, $checked = 0, $description = 0) {
817
  return form_hidden($name, 0) . form_item(0, "<input type=\"checkbox\" class=\"form-checkbox\" name=\"edit[$name]\" value=\"". $value ."\"". ($checked ? " checked=\"checked\"" : "") ." /> $title", $description);
Dries's avatar
   
Dries committed
818
819
820
}

function form_textfield($title, $name, $value, $size, $maxlength, $description = 0) {
Dries's avatar
   
Dries committed
821
822
  $size = $size ? " size=\"$size\"" : "";
  return form_item($title, "<input maxlength=\"$maxlength\" class=\"form-text\" name=\"edit[$name]\"$size value=\"". check_form($value) ."\" />", $description);
Dries's avatar
   
Dries committed
823
824
825
}

function form_password($title, $name, $value, $size, $maxlength, $description = 0) {
Dries's avatar
   
Dries committed
826
827
  $size = $size ? " size=\"$size\"" : "";
  return form_item($title, "<input type=\"password\" class=\"form-password\" maxlength=\"$maxlength\" name=\"edit[$name]\"$size value=\"". check_form($value) ."\" />", $description);
Dries's avatar
   
Dries committed
828
829
830
}

function form_textarea($title, $name, $value, $cols, $rows, $description = 0) {
Dries's avatar
   
Dries committed
831
  $cols = $cols ? " cols=\"$cols\"" : "";
Dries's avatar
   
Dries committed
832
  module_invoke_all("textarea", $name);  // eg. optionally plug in a WYSIWYG editor
Dries's avatar
   
Dries committed
833
  return form_item($title, "<textarea wrap=\"virtual\"$cols rows=\"$rows\" name=\"edit[$name]\" id=\"edit[$name]\">". check_form($value) ."</textarea>", $description);
Dries's avatar
   
Dries committed
834
835
}

Dries's avatar
   
Dries committed
836
function form_select($title, $name, $value, $options, $description = 0, $extra = 0, $multiple = 0) {
Dries's avatar
   
Dries committed
837
  if (count($options) > 0) {
Kjartan's avatar
Kjartan committed
838
    foreach ($options as $key=>$choice) {
839
      $select .= "<option value=\"$key\"". (is_array($value) ? (in_array($key, $value) ? " selected=\"selected\"" : "") : ($value == $key ? " selected=\"selected\"" : "")) .">". check_form($choice) ."</option>";
Dries's avatar
   
Dries committed
840
    }
Kjartan's avatar
Kjartan committed
841
    return form_item($title, "<select name=\"edit[$name]". ($multiple ? "[]" : "") ."\"". ($multiple ? " multiple " : "") . ($extra ? " $extra" : "") .">$select</select>", $description);
Dries's avatar
   
Dries committed
842
843
844
  }
}

Dries's avatar
   
Dries committed
845
846
847
848
849
850
851
852
853
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 == $value));
    }
    return form_item($title, $output, $description);
  }
}

Dries's avatar
   
Dries committed
854
function form_file($title, $name, $size, $description = 0) {
855
  return form_item($title, "<input type=\"file\" class=\"form-file\" name=\"edit[$name]\" size=\"$size\" />\n", $description);
Dries's avatar
   
Dries committed
856
857
858
859
860
861
862
}

function form_hidden($name, $value) {
  return "<input type=\"hidden\" name=\"edit[$name]\" value=\"". check_form($value) ."\" />\n";
}

function form_submit($value) {
863
  return "<input type=\"submit\" class=\"form-submit\" name=\"op\" value=\"". check_form($value) ."\" />\n";
Dries's avatar
   
Dries committed
864
865
}

Dries's avatar
   
Dries committed
866
function form_weight($title = NULL, $name = "weight", $value = 0, $delta = 10, $description = 0, $extra = 0) {
Dries's avatar
   
Dries committed
867
  for ($n = (-1 * $delta); $n <= $delta; $n++) {
Dries's avatar
   
Dries committed
868
869
870
871
872
873
    $weights[$n] = $n;
  }

  return form_select($title, $name, $value, $weights, $description, $extra);
}

Dries's avatar
   
Dries committed
874
function url($url = NULL, $query = NULL) {
Dries's avatar
   
Dries committed
875
  global $base_url;
Dries's avatar
   
Dries committed
876

Dries's avatar
   
Dries committed
877
878
879
880
881
882
883
884
885
886
887
  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" : "";
  }

Dries's avatar
   
Dries committed
888
  if (variable_get("clean_url", "0") == "0") {
Dries's avatar
   
Dries committed
889
890
    if (isset($url)) {
      if (isset($query)) {
Dries's avatar
   
Dries committed
891
        return "$base_url/$script?q=$url&amp;$query";
Dries's avatar
   
Dries committed
892
893
      }
      else {
Dries's avatar
   
Dries committed
894
        return "$base_url/$script?q=$url";
Dries's avatar
   
Dries committed
895
      }
Dries's avatar
   
Dries committed
896
897
    }
    else {
Dries's avatar
   
Dries committed
898
      if (isset($query)) {
Dries's avatar
   
Dries committed
899
        return "$base_url/$script?$query";
Dries's avatar
   
Dries committed
900
901
      }
      else {
Dries's avatar
   
Dries committed
902
        return "$base_url/";
Dries's avatar
   
Dries committed
903
      }
Dries's avatar
   
Dries committed
904
905
906
    }
  }
  else {
Dries's avatar
   
Dries committed
907
908
    if (isset($url)) {
      if (isset($query)) {
Dries's avatar
   
Dries committed
909
        return "$base_url/$url?$query";
Dries's avatar
   
Dries committed
910
911
      }
      else {
Dries's avatar
   
Dries committed
912
        return "$base_url/$url";
Dries's avatar
   
Dries committed
913
      }
Dries's avatar
   
Dries committed
914
    }
Dries's avatar
   
Dries committed
915
    else {
Dries's avatar
   
Dries committed
916
      if (isset($query)) {
Dries's avatar
   
Dries committed
917
        return "$base_url/$script?$query";
Dries's avatar
   
Dries committed
918
919
      }
      else {
Dries's avatar
   
Dries committed
920
        return "$base_url/";
Dries's avatar
   
Dries committed
921
      }
Dries's avatar
   
Dries committed
922
    }
Dries's avatar
   
Dries committed
923
  }
Dries's avatar
   
Dries committed
924
925
}

Dries's avatar
   
Dries committed
926
function l($text, $url, $attributes = array(), $query = NULL) {
Dries's avatar
   
Dries committed
927

Dries's avatar
   
Dries committed
928
929
930
931
  $t = array();
  foreach ($attributes as $key => $value) {
    $t[] = "$key=\"$value\"";
  }
Dries's avatar
   
Dries committed
932
933

  return "<a href=\"". url($url, $query) ."\" ". implode($t, " ") .">$text</a>";
Dries's avatar
   
Dries committed
934
935
}

Dries's avatar
   
Dries committed
936
function field_get($string, $name) {
937
  ereg(",?$name=([^,]+)", ", $string", $regs);
Dries's avatar
   
Dries committed
938
939
940
941
942
  return $regs[1];
}

function field_set($string, $name, $value) {
  $rval = ereg_replace(",$name=[^,]+", "", ",$string");
Dries's avatar
   
Dries committed
943
  if (isset($value)) {
Kjartan's avatar
Kjartan committed
944
945
    $rval .= ($rval == "," ? "" : ",") ."$name=$value";
  }
Dries's avatar
   
Dries committed
946
947
948
949
  return substr($rval, 1);
}

function link_page() {
Dries's avatar
   
Dries committed
950
  global $custom_links, $base_url;
Dries's avatar
   
Dries committed
951

952
953
954
955
  if (is_array($custom_links)) {
    return $custom_links;
  }
  else {
Dries's avatar
   
Dries committed
956
    $links = module_invoke_all("link", "page");
957
    array_unshift($links, "<a href=\"$base_url/\" title=\"". t("Return to the main page.") ."\">". t("home") ."</a>");
958
    return $links;
Dries's avatar
   
Dries committed
959
  }
Dries's avatar
   
Dries committed
960
}
Dries's avatar
   
Dries committed
961
962

function link_node($node, $main = 0) {
Dries's avatar
   
Dries committed
963
  return module_invoke_all("link", "node", $node, $main);
Dries's avatar
   
Dries committed
964
965
966
967
}

function timer_start() {
  global $timer;
Dries's avatar
   
Dries committed
968
969
  list($usec, $sec) = explode(" ", microtime());
  $timer = (float)$usec + (float)$sec;
Dries's avatar
   
Dries committed
970
971
}

Dries's avatar
   
Dries committed
972
function drupal_page_header() {
Dries's avatar
   
Dries committed
973
974
975
976
977
  if (variable_get("dev_timer", 0)) {
    timer_start();
  }

  if (variable_get("cache", 0)) {
Dries's avatar
   
Dries committed
978
979
980
981
    if ($cache = page_get_cache()) {
      $date = gmdate("D, d M Y H:i:s", $cache->created) ." GMT";
      header("Last-Modified: $date");
      header("ETag: \"$date\"");
982
983
984
985
986
987
      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).
        */
Dries's avatar
   
Dries committed
988
989
990
991
992
993
        if ($headers["If-Modified-Since"] == $date && $headers["If-None-Match"] == "\"$date\"") {
          header("HTTP/1.0 304 Not Modified");
          exit();
        }
      }
      print $cache->data;
Dries's avatar
   
Dries committed
994
995
996
997
998
      exit();
    }
  }
}

Dries's avatar
   
Dries committed
999
function drupal_page_footer() {
Dries's avatar
   
Dries committed
1000
  if (variable_get("cache", 0)) {
Dries's avatar
   
Dries committed
1001
    page_set_cache();
Dries's avatar
   
Dries committed
1002
  }
Dries's avatar
   
Dries committed
1003
1004
1005
1006

  // 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");
Dries's avatar
   
Dries committed
1007
1008
1009
}

unset($conf);
Dries's avatar
   
Dries committed
1010

1011
1012
$config = conf_init();

Dries's avatar
   
Dries committed
1013
1014
1015
1016
include_once "includes/$config.php";
include_once "includes/database.inc";
include_once "includes/module.inc";
include_once "includes/theme.inc";
Dries's avatar
   
Dries committed
1017
include_once "includes/pager.inc";
Dries's avatar
   
Dries committed
1018
include_once "includes/menu.inc";
Dries's avatar
   
Dries committed
1019
include_once "includes/xmlrpc.inc";
1020

1021
1022
// initialize configuration variables, using values from conf.php if available:
$conf = variable_init(isset($conf) ? $conf : array());
Dries's avatar
   
Dries committed
1023

Dries's avatar
   
Dries committed
1024
1025
1026
// set error handler:
set_error_handler("error_handler");

Dries's avatar
   
Dries committed
1027
// spit out the correct charset http header
Dries's avatar
   
Dries committed
1028
header("Content-Type: text/html; charset=". variable_get("site_charset", "iso-8859-1"));
Dries's avatar
   
Dries committed
1029

Dries's avatar
   
Dries committed
1030
1031
1032
// initialize installed modules:
module_init();

Dries's avatar
   
Dries committed
1033
1034
1035
1036
1037
1038
// initialize localization system:
$locale = locale_init();

// initialize theme:
$theme = theme_init();

Dries's avatar
   
Dries committed
1039
?>