common.inc 20.6 KB
Newer Older
Dries's avatar
   
Dries committed
1
2
3
4
<?php
// $Id$

function conf_init() {
Dries's avatar
   
Dries committed
5
  global $HTTP_HOST;
Dries's avatar
   
Dries committed
6
7
8
9
10
11
12

  /*
  ** 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
13
  $file = strtolower(strtr($HTTP_HOST . substr(request_uri(), 0, strrpos(request_uri(), "/")), "/:", ".."));
Dries's avatar
   
Dries committed
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

  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
30
  if (($errno == 1 || $errno == 2 || $errno == 4 || $errno == 256) && error_reporting()) {
Dries's avatar
   
Dries committed
31
32
33
34
35
36
37
    watchdog("error", $types[$errno] .": $message in $filename on line $line.");
    print $entry;
  }
}

function watchdog($type, $message) {
  global $user;
Dries's avatar
   
Dries committed
38
  db_query("INSERT INTO watchdog (uid, type, message, location, hostname, timestamp) VALUES ('$user->uid', '%s', '%s', '%s', '%s', '%s')", $type, $message, getenv("PATH_INFO"), getenv("REMOTE_ADDR"), time());
Dries's avatar
   
Dries committed
39
40
41
42
43
44
45
46
47
48
49
50
51
52
}

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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
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
81
function path_uri($brief = 0) {
Dries's avatar
   
Dries committed
82
83
  global $HTTP_HOST;
  $path = $HTTP_HOST . substr(request_uri(), 0, strrpos(request_uri(), "/")) ."/";
Dries's avatar
   
Dries committed
84
85
86
87
  if (!$brief) {
    $path = "http://". $path;
  }
  return $path;
Dries's avatar
   
Dries committed
88
89
}

Dries's avatar
   
Dries committed
90
91
92
93
function request_uri() {
  return getenv("REQUEST_URI");
}

Dries's avatar
   
Dries committed
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
function path_img() {
  // use "http://your-image-server.com/ if you want to host images on a seperate server.
  return "./images/";
}

function message_access() {
  return t("You are not authorized to access to 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.");
}

Dries's avatar
   
Dries committed
111
112
113
114
115
function locale_init() {
  global $languages, $user;
  return ($languages ? (($user->uid && $user->language) ? $user->language : key($languages)) : 0);
}

Dries's avatar
   
Dries committed
116
function t($string, $args = 0) {
Dries's avatar
   
Dries committed
117
  global $languages;
Dries's avatar
   
Dries committed
118
119
120
121
122
  if (!$args) {
    return $string;
  } else {
    return strtr($string, $args);
  }
Dries's avatar
   
Dries committed
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
}

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] = $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;

Dries's avatar
   
Dries committed
145
146
  db_query("DELETE FROM variable WHERE name = '%s'", $name);
  db_query("INSERT INTO variable (name, value) VALUES ('%s', '%s')", $name, $value);
Dries's avatar
   
Dries committed
147
148
149
150
151
152
153

  $conf[$name] = $value;
}

function variable_del($name) {
  global $conf;

Dries's avatar
   
Dries committed
154
  db_query("DELETE FROM variable WHERE name = '%s'", $name);
Dries's avatar
   
Dries committed
155
156
157
158

  unset($conf[$name]);
}

Kjartan's avatar
Kjartan committed
159
160
161
162
/**
 * 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
163
 *               array("count" => ..., "link" => ..., "title" => ...,
Kjartan's avatar
Kjartan committed
164
165
166
 *               "user" => ..., "date" => ..., "keywords" => ...)
 * @param $type  module type of this item
 */
Dries's avatar
   
Dries committed
167
function search_item($item, $type) {
Kjartan's avatar
Kjartan committed
168
  $output .= " <b>". $item["count"] . "&nbsp;&nbsp;<u><a href=\"". $item["link"] . "\">". $item["title"] ."</a></u></b><br />";
Dries's avatar
   
Dries committed
169
170
171
172
173
174
  $output .= " <small>$type ". ($item["user"] ? " - ". $item["user"] : "") ."". ($item["date"] ? " - ". format_date($item["date"], "small") : "") ."</small>";
  $output .= "<br /><br />";

  return $output;
}

Kjartan's avatar
Kjartan committed
175
176
177
178
/**
 * Render a generic search form.
 *
 * "Generic" means "universal usable" - that is, usable not only from
Dries's avatar
   
Dries committed
179
180
181
 * module.php?mod=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
Kjartan's avatar
Kjartan committed
182
183
184
185
 * parts of this form.
 *
 * @param $action  Form action. Defaults to module.php?mod=search.
 * @param $query   Query string. Defaults to global $keys.
Dries's avatar
   
Dries committed
186
 * @param $options != 0: Render additional form fields/text
Kjartan's avatar
Kjartan committed
187
188
 *                 ("Restrict search to", help text, etc).
 */
Dries's avatar
   
Dries committed
189
190
191
192
function search_form($action = 0, $query = 0, $options = 0) {
  global $keys;

  if (!$action) {
Dries's avatar
   
Dries committed
193
    $action = drupal_url(array("mod" => "search"), "module");
Dries's avatar
   
Dries committed
194
195
196
197
198
199
  }

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

Kjartan's avatar
Kjartan committed
200
201
  $output .= " <br /><input type=\"text\" size=\"50\" value=\"". check_form($keys) ."\" name=\"keys\" />";
  $output .= " <input type=\"submit\" value=\"". t("Search") ."\" />\n";
Dries's avatar
   
Dries committed
202
203
204
205
206
207
208

  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
209
        $output .= " <input type=\"checkbox\" name=\"edit[type][$name]\" ". ($edit["type"][$name] ? " checked=\"checked\"" : "") ." /> ". t($name);
Dries's avatar
   
Dries committed
210
211
      }
    }
Kjartan's avatar
Kjartan committed
212
213

    // TODO: (link to) search hints
Dries's avatar
   
Dries committed
214
215
  }

Kjartan's avatar
Kjartan committed
216
217
  $form .= "<br />";

Dries's avatar
   
Dries committed
218
219
220
221
  return form($output, "post", $action);
}

/*
Kjartan's avatar
Kjartan committed
222
223
 * Collect the search results:
 */
Dries's avatar
   
Dries committed
224
225
226
227
228
229
230
231
function search_data() {
  global $keys, $edit;

  $keys = check_input($keys);

  if ($keys) {
    foreach (module_list() as $name) {
      if (module_hook($name, "search") && (!$edit["type"] || $edit["type"][$name]) && ($result = module_invoke($name, "search", check_query($keys)))) {
Kjartan's avatar
Kjartan committed
232
233
234
235
236
237
        if ($name == "node" || $name == "comment") {
          $output .= "<b>Matching ". $name ."s ranked in order of relevance</b><br />";
        }
        else {
          $output .= "<b>Matching ". $name ."s</b><br />";
        }
Dries's avatar
   
Dries committed
238
239
240
241
242
        foreach ($result as $entry) {
          $output .= search_item($entry, $name);
        }
      }
    }
Kjartan's avatar
Kjartan committed
243
    if (!$output) {
Dries's avatar
   
Dries committed
244
245
246
247
248
249
250
      $output .= t("Your search yielded no results.");
    }
  }

  return $output;
}

Kjartan's avatar
Kjartan committed
251
252
253
/**
 * Display the search form and the resulting data.
 *
Dries's avatar
   
Dries committed
254
 * @param $type    If set, search only nodes of this type.
Kjartan's avatar
Kjartan committed
255
256
257
 *                 Otherwise, search all types.
 * @param $action  Form action. Defaults to module.php?mod=search.
 * @param $query   Query string. Defaults to global $keys.
Dries's avatar
   
Dries committed
258
 * @param $options != 0: Render additional form fields/text
Kjartan's avatar
Kjartan committed
259
260
 *                 ("Restrict search to", help text, etc).
 */
Dries's avatar
   
Dries committed
261
262
263
264
265
266
267
268
269
270
function search_type($type = 0, $action = 0, $query = 0, $options = 0) {
  global $edit;

  if ($type) {
    $edit["type"][$type] = "on";
  }

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

Dries's avatar
   
Dries committed
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
function drupal_str_replace($from, $to, $subject) {

  /*
  ** Multiple item replace which works for *all* PHP versions
  ** (PHP 4.05+ supports this natively using similar syntax).
  ** $from and $to should be same sized arrays, $subject is the
  ** source text.
  */

  for ($i = 0; $i < count($from); $i++) {
    $subject = str_replace($from[$i], $to[$i], $subject);
  }

  return $subject;
}

Dries's avatar
   
Dries committed
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
function drupal_goto($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 (SID == "" || strstr($url, SID)) {
    header("Location: $url");
  }
  else if (strstr($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() {
Dries's avatar
   
Dries committed
319
  global $referer, $HTTP_REFERER;
Dries's avatar
   
Dries committed
320

Dries's avatar
   
Dries committed
321
  if (!strstr($HTTP_REFERER, request_uri())) {
Dries's avatar
   
Dries committed
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
    $referer = $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($text) {
  return htmlspecialchars(stripslashes($text));
}

function check_export($text) {
  return htmlspecialchars(stripslashes($text));
}

function check_code($text) {
  return $text;
}

function check_preview($text) {
  return check_output(check_input($text));
}

function check_query($text) {
  return addslashes(stripslashes($text));
}

function filter($text) {
  foreach (module_list() as $name) {
Kjartan's avatar
Kjartan committed
364
365
366
    if (module_hook($name, "filter")) {
      $text = module_invoke($name, "filter", $text);
    }
Dries's avatar
   
Dries committed
367
368
369
370
371
372
373
374
375
376
  }

  return $text;
}

function check_input($text) {
  return check_query($text);
}

function check_output($text, $nl2br = 0) {
Dries's avatar
   
Dries committed
377
  return ($text) ? ($nl2br ? str_replace("\r", "", str_replace("\n", "<br />", stripslashes($text))) : stripslashes($text)) : message_na();
Dries's avatar
   
Dries committed
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
}

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

function format_info($body, $block) {
  return "<table><tr><td><table align=\"right\" border=\"1\" width=\"180\"><tr><td>$block</td></tr></table>$body</td></tr></table>\n";
}

function format_rss_channel($title, $link, $description, $items, $language = "en") {
  $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";
  $output .= $items;
  $output .= "</channel>\n";

  return $output;
}

function format_rss_item($title, $link, $description) {
  $output .= "<item>\n";
  $output .= " <title>". htmlentities(strip_tags($title)) ."</title>\n";
  $output .= " <link>". htmlentities(strip_tags($link)) ."</link>\n";
  $output .= " <description>". htmlentities($description) ."</description>\n";
  $output .= "</item>\n";

  return $output;
}

function format_plural($count, $singular, $plural) {
  return ($count == 1) ? "$count ". t($singular) : "$count ". t($plural);
}

function format_size($size) {
  $suffix = "bytes";
  if ($size > 1024) {
    $size = round($size / 1024, 2);
    $suffix = "KB";
  }
  if ($size > 1024) {
    $size = round($size / 1024, 2);
    $suffix = "MB";
  }
  return "$size $suffix";
}

Dries's avatar
   
Dries committed
432
function cache_get($key) {
Dries's avatar
   
Dries committed
433
  $cache = db_fetch_object(db_query("SELECT data FROM cache WHERE cid = '%s'", $key));
Dries's avatar
   
Dries committed
434
435
436
437
  return $cache->data ? $cache->data : 0;
}

function cache_set($cid, $data, $expire = 0) {
Dries's avatar
   
Dries committed
438
439
  if (db_fetch_object(db_query("SELECT cid FROM cache WHERE cid = '%s'", $cid))) {
    db_query("UPDATE cache SET data = '%s' WHERE cid = '%s'", $data, $cid);
Dries's avatar
   
Dries committed
440
441
  }
  else {
Dries's avatar
   
Dries committed
442
    db_query("INSERT INTO cache (cid, data, expire) VALUES('%s', '%s', '%s')", $cid, $data, $expire);
Dries's avatar
   
Dries committed
443
  }
Dries's avatar
   
Dries committed
444
445
}

Dries's avatar
   
Dries committed
446
function cache_del($cid) {
Dries's avatar
   
Dries committed
447
  db_query("DELETE FROM cache WHERE cid = '%s'", $cid);
Dries's avatar
   
Dries committed
448
449
450
451
452
453
454
}

function cache_clear() {
  db_query("DELETE FROM cache WHERE expire < ". time() ." AND expire > 0");
}

function page_set_cache() {
Dries's avatar
   
Dries committed
455
  global $user, $REQUEST_METHOD;
Dries's avatar
   
Dries committed
456
457

  if (!$user->uid && $REQUEST_METHOD == "GET") {
Dries's avatar
   
Dries committed
458
    if ($data = ob_get_contents()) {
Dries's avatar
   
Dries committed
459
      cache_set(request_uri(), $data, (time() + variable_get("cache_clear", 30)));
Dries's avatar
   
Dries committed
460
461
462
463
    }
  }
}

Dries's avatar
   
Dries committed
464
function page_get_cache() {
Dries's avatar
   
Dries committed
465
  global $user, $REQUEST_METHOD;
Dries's avatar
   
Dries committed
466
467

  if (!$user->uid && $REQUEST_METHOD == "GET") {
Dries's avatar
   
Dries committed
468
    if ($cache = cache_get(request_uri())) {
Dries's avatar
   
Dries committed
469
470
471
472
      cache_clear();
    }
    else {
      ob_start();
Dries's avatar
   
Dries committed
473
474
    }
  }
Dries's avatar
   
Dries committed
475
476

  return $cache ? $cache : 0;
Dries's avatar
   
Dries committed
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
}

function format_interval($timestamp) {
  $units = array("year|years" => 31536000, "week|weeks" => 604800, "day|days" => 86400, "hour|hours" => 3600, "min|min" => 60, "sec|sec" => 1);
  foreach ($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 : "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("m/d/y - H:i", $timestamp);
      break;
    case "medium":
      $date = t(date("l", $timestamp)) .", ". date("m/d/Y - H:i", $timestamp);
      break;
    case "large":
      $date = t(date("l", $timestamp)) .", ". t(date("F", $timestamp)) ." ". date("d, 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("AaBdgGhHiIjLmnrstTUYyZz", $c)) {
          $date = date($c, $timestamp).$date;
        }
        else {
          $date = $c.$date;
        }
      }
      break;
    default:
      $date = t(date("l", $timestamp)) .", ". date("m/d/Y - H:i", $timestamp);
  }
  return $date;
}

function format_name($object) {
Dries's avatar
   
Dries committed
526
  global $PHP_SELF;
Dries's avatar
   
Dries committed
527
528

  if ($object->uid && $object->name) {
Dries's avatar
   
Dries committed
529
    if (strstr($PHP_SELF, "admin.php")) {
Dries's avatar
   
Dries committed
530
      $output = la($object->name, array("mod" => "user", "op" => "edit", "id" => $object->uid));
Dries's avatar
   
Dries committed
531
532
    }
    else {
Dries's avatar
   
Dries committed
533
      $output = lm($object->name, array("mod" => "user", "op" => "view", "id" => $object->uid));
Dries's avatar
   
Dries committed
534
    }
Dries's avatar
   
Dries committed
535
536
  }
  else {
Dries's avatar
   
Dries committed
537
    $output = variable_get(anonymous, "Anonymous");
Dries's avatar
   
Dries committed
538
539
  }

Dries's avatar
   
Dries committed
540
  return $output;
Dries's avatar
   
Dries committed
541
542
543
544
545
546
547
548
549
550
551
552
}

function format_email($address) {
  return ($address) ? "<a href=\"mailto:$address\">$address</A>" : message_na();
}

function format_url($address, $description = 0) {
  $description = ($description) ? $description : $address;
  return ($address) ? "<a href=\"$address\">". check_output($description) ."</a>" : message_na();
}

function format_tag($link, $text) {
Dries's avatar
   
Dries committed
553
  return l(('$text' ? '$text' : '$link'), array("title" => urlencode('$link')));
Dries's avatar
   
Dries committed
554
555
556
}

function form($form, $method = "post", $action = 0, $options = 0) {
Dries's avatar
   
Dries committed
557
  return "<form action=\"". ($action ? $action : request_uri()) ."\" method=\"$method\"". ($options ? " $options" : "") .">\n$form</form>\n";
Dries's avatar
   
Dries committed
558
559
560
}

function form_item($title, $value, $description = 0) {
561
  return "<p>". ($title ? "<b>$title:</b><br />" : "") . $value . ($description ? "<br /><small><i>$description</i></small>" : "") ."</p>\n";
Dries's avatar
   
Dries committed
562
563
}

564
565
function form_checkbox($title, $name, $value = 1, $checked = 0, $description = 0) {
  return form_item(0, "<input type=\"checkbox\" name=\"edit[$name]\" value=\"". $value ."\"". ($checked ? " checked=\"checked\"" : "") ." /> $title", $description);
Dries's avatar
   
Dries committed
566
567
568
569
570
571
572
573
574
575
576
577
578
579
}

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, $description = 0) {
  return form_item($title, "<textarea wrap=\"virtual\" cols=\"$cols\" rows=\"$rows\" name=\"edit[$name]\">". check_form($value) ."</textarea>", $description);
}

Dries's avatar
   
Dries committed
580
function form_select($title, $name, $value, $options, $description = 0, $extra = 0, $multiple = 0) {
Dries's avatar
   
Dries committed
581
  if (count($options) > 0) {
Dries's avatar
   
Dries committed
582
    foreach ($options as $key=>$choice) {
Dries's avatar
   
Dries committed
583
584
      $select .= "<option value=\"$key\"". (is_array($value) ? (in_array($key, $value) ? " selected=\"selected\"" : "") : ($key == $value ? " selected=\"selected\"" : "")) .">". check_form($choice) ."</option>";
    }
Dries's avatar
   
Dries committed
585
    return form_item($title, "<select name=\"edit[$name]".($multiple ? "[]" : "")."\"" .($multiple ? " multiple " : "").($extra ? " $extra" : "") .">$select</select>", $description);
Dries's avatar
   
Dries committed
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
  }
}

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";
}

Dries's avatar
   
Dries committed
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
/**
 * Build an url; use this functions when you must write an url
 * for example in a form or a redirect
 *
 * @param $args    dictionary of arguments to be passed to the script
 * @param $script  script to be invoked; optional, defaults to node
 */
function drupal_url($args = array(), $script = "node") {
  $t = array();
  foreach($args as $k => $v) {
    $t[] = "$k=$v";
  }
  return "$script.php?".implode("&amp;", $t);
}

/**
 * Build an html link; use this functions when you must write a link
 * to another drupal page
 *
 * @param $args        dictionary of arguments to be passed to the script
 * @param $linktext    text of the link
 * @param $title       optional, popup title
 * @param $script      script to be invoked; optional, defaults to node
 */
function l($linktext, $args = array(), $title = "", $script = "node") {
  return "<a href=\"".drupal_url($args, $script)."\" title=\"$title\">$linktext</a>";
}

function la($linktext, $args = array(), $title = "") {
  // we don't call l() to avoid another duplication of the array
  return "<a href=\"".drupal_url($args, "admin")."\" title=\"$title\">$linktext</a>";
}

function lm($linktext, $args = array(), $title = "") {
  // we don't call l() to avoid another duplication of the array
  return "<a href=\"".drupal_url($args, "module")."\" title=\"$title\">$linktext</a>";
}

Dries's avatar
   
Dries committed
639
640
641
642
643
644
645
function field_get($string, $name) {
  ereg(",$name=([^,]+)", ",$string", $regs);
  return $regs[1];
}

function field_set($string, $name, $value) {
  $rval = ereg_replace(",$name=[^,]+", "", ",$string");
Kjartan's avatar
Kjartan committed
646
647
648
  if ($value) {
    $rval .= ($rval == "," ? "" : ",") ."$name=$value";
  }
Dries's avatar
   
Dries committed
649
650
651
652
653
654
655
656
657
658
659
660
  return substr($rval, 1);
}

function field_merge($a, $b) {
  foreach (explode(",", $b) as $data) {
    $entry = explode("=", $data);
    $a = field_set($a, $entry[0], $entry[1]);
  }
  return $a;
}

function link_page() {
661
  global $custom_links;
Dries's avatar
   
Dries committed
662

663
664
665
666
667
  if (is_array($custom_links)) {
    return $custom_links;
  }
  else {
    $links[] = "<a href=\"index.php\">". t("home") ."</a>";
Dries's avatar
   
Dries committed
668
    foreach (module_list() as $name) {
669
670
      if (module_hook($name, "link")) {
        $links = array_merge($links, module_invoke($name, "link", "page"));
Dries's avatar
   
Dries committed
671
      }
Dries's avatar
   
Dries committed
672
    }
673
    return $links;
Dries's avatar
   
Dries committed
674
  }
Dries's avatar
   
Dries committed
675
}
Dries's avatar
   
Dries committed
676
677
678
679
680
681
682
683
684
685
686
687
688

function link_node($node, $main = 0) {
  foreach (module_list() as $name) {
    if (module_hook($name, "link")) {
      $links = array_merge($links, module_invoke($name, "link", "node", $node, $main));
    }
  }

  return $links ? $links : array();
}

function timer_start() {
  global $timer;
Dries's avatar
   
Dries committed
689
690
  list($usec, $sec) = explode(" ", microtime());
  $timer = (float)$usec + (float)$sec;
Dries's avatar
   
Dries committed
691
692
693
694
}

function timer_print() {
  global $timer;
Dries's avatar
   
Dries committed
695
696
697
698
  list($usec, $sec) = explode(" ", microtime());
  $stop = (float)$usec + (float)$sec;
  $diff = $stop - $timer;
  print "<pre>execution time: $diff sec</pre>";
Dries's avatar
   
Dries committed
699
700
701
702
703
704
705
}

function query_print() {
  global $queries;
  print "<pre>";
  print_r($queries);
  print "</pre>";
Dries's avatar
   
Dries committed
706
707
708
709
710
711
712
713
}

function page_header() {
  if (variable_get("dev_timer", 0)) {
    timer_start();
  }

  if (variable_get("cache", 0)) {
Dries's avatar
   
Dries committed
714
    if ($data = page_get_cache()) {
Dries's avatar
   
Dries committed
715
716
717
718
719
720
721
722
723
724
725
      print $data;
      exit();
    }
  }
}

function page_footer() {
  if (variable_get("dev_timer", 0)) {
    timer_print();
  }

Dries's avatar
   
Dries committed
726
727
728
729
  if (variable_get("dev_query", 0)) {
    query_print();
  }

Dries's avatar
   
Dries committed
730
  if (variable_get("cache", 0)) {
Dries's avatar
   
Dries committed
731
    page_set_cache();
Dries's avatar
   
Dries committed
732
733
734
735
736
737
  }
}

$config = conf_init();

unset($conf);
Dries's avatar
   
Dries committed
738

Dries's avatar
   
Dries committed
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
include_once "includes/$config.php";
include_once "includes/database.inc";
include_once "includes/xmlrpc.inc";
include_once "includes/module.inc";
include_once "includes/theme.inc";

// initialize configuration variables:
$conf = variable_init($conf);

// initialize installed modules:
module_init();

// initialize localization system:
$locale = locale_init();

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

// set error handler:
set_error_handler("error_handler");

?>