common.inc 22.2 KB
Newer Older
Dries Buytaert's avatar
   
Dries Buytaert committed
1
2
3
4
<?php
// $Id$

function conf_init() {
Dries Buytaert's avatar
   
Dries Buytaert committed
5
  global $HTTP_HOST;
Dries Buytaert's avatar
   
Dries Buytaert 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 Buytaert's avatar
   
Dries Buytaert committed
13
  $file = strtolower(strtr($HTTP_HOST . substr(request_uri(), 0, strrpos(request_uri(), "/")), "/:", ".."));
Dries Buytaert's avatar
   
Dries Buytaert 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 Buytaert's avatar
   
Dries Buytaert committed
30
  if (($errno == 1 || $errno == 2 || $errno == 4 || $errno == 256) && error_reporting()) {
Dries Buytaert's avatar
   
Dries Buytaert 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 Buytaert's avatar
   
Dries Buytaert 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 Buytaert's avatar
   
Dries Buytaert 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 Buytaert's avatar
   
Dries Buytaert 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 Buytaert's avatar
   
Dries Buytaert committed
81
function path_uri($brief = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
82
83
  global $HTTP_HOST;
  $path = $HTTP_HOST . substr(request_uri(), 0, strrpos(request_uri(), "/")) ."/";
Dries Buytaert's avatar
   
Dries Buytaert committed
84
85
86
87
  if (!$brief) {
    $path = "http://". $path;
  }
  return $path;
Dries Buytaert's avatar
   
Dries Buytaert committed
88
89
}

Dries Buytaert's avatar
   
Dries Buytaert committed
90
function request_uri() {
Dries Buytaert's avatar
   
Dries Buytaert committed
91
92
93
94
95
96
97
98
99
100
  // since request_uri() is only available on apache, we generate equivalent using other environment vars.

  global $REQUEST_URI, $PATH_INFO, $QUERY_STRING;

  if ($REQUEST_URI) {
    return $REQUEST_URI;
  }
  else {
    return $PATH_INFO . "?" . $QUERY_STRING;
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
101
102
}

Dries Buytaert's avatar
   
Dries Buytaert committed
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
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 Buytaert's avatar
   
Dries Buytaert committed
120
121
122
123
124
function locale_init() {
  global $languages, $user;
  return ($languages ? (($user->uid && $user->language) ? $user->language : key($languages)) : 0);
}

Dries Buytaert's avatar
   
Dries Buytaert committed
125
function t($string, $args = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
126
  global $languages;
127

Dries Buytaert's avatar
   
Dries Buytaert committed
128
129
130
131
132
133
134
135
136
137
138
139
  /*
  ** About the usage of t().  We try to keep strings whole as much as
  ** possible and are unafraid of HTML markup within translation strings
  ** if necessary.  The suggested syntax for a link embedded within a
  ** translation string is for example:
  **
  ** $msg = t("You must login below or <a href=\"%url\">create a new
  **           account</a> before viewing the next page.", array ("%url"
  **           => drupal_url(array ("mod" => "user", "op" => "register"),
  **           "module")));
  */

140
141
  $string = ($languages && function_exists("locale") ? locale($string) : $string);

Dries Buytaert's avatar
   
Dries Buytaert committed
142
143
  if (!$args) {
    return $string;
Kjartan Mannes's avatar
Kjartan Mannes committed
144
145
  }
  else {
Dries Buytaert's avatar
   
Dries Buytaert committed
146
147
    return strtr($string, $args);
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
}

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 Buytaert's avatar
   
Dries Buytaert committed
170
171
  db_query("DELETE FROM variable WHERE name = '%s'", $name);
  db_query("INSERT INTO variable (name, value) VALUES ('%s', '%s')", $name, $value);
Dries Buytaert's avatar
   
Dries Buytaert committed
172
173
174
175
176
177
178

  $conf[$name] = $value;
}

function variable_del($name) {
  global $conf;

Dries Buytaert's avatar
   
Dries Buytaert committed
179
  db_query("DELETE FROM variable WHERE name = '%s'", $name);
Dries Buytaert's avatar
   
Dries Buytaert committed
180
181
182
183

  unset($conf[$name]);
}

Kjartan Mannes's avatar
Kjartan Mannes committed
184
185
186
187
/**
 * Format a single result entry of a search query:
 *
 * @param $item  a single search result as returned by <module>_search of type
Dries Buytaert's avatar
   
Dries Buytaert committed
188
 *               array("count" => ..., "link" => ..., "title" => ...,
Kjartan Mannes's avatar
Kjartan Mannes committed
189
190
191
 *               "user" => ..., "date" => ..., "keywords" => ...)
 * @param $type  module type of this item
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
192
function search_item($item, $type) {
Dries Buytaert's avatar
   
Dries Buytaert committed
193
194
195
196
197
198
199
200
201
202
203
204
205
206

  /*
  ** 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 Buytaert's avatar
   
Dries Buytaert committed
207
208
209
210

  return $output;
}

Kjartan Mannes's avatar
Kjartan Mannes committed
211
212
213
214
/**
 * Render a generic search form.
 *
 * "Generic" means "universal usable" - that is, usable not only from
Dries Buytaert's avatar
   
Dries Buytaert committed
215
216
217
 * 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 Mannes's avatar
Kjartan Mannes committed
218
219
220
221
 * parts of this form.
 *
 * @param $action  Form action. Defaults to module.php?mod=search.
 * @param $query   Query string. Defaults to global $keys.
Dries Buytaert's avatar
   
Dries Buytaert committed
222
 * @param $options != 0: Render additional form fields/text
Kjartan Mannes's avatar
Kjartan Mannes committed
223
224
 *                 ("Restrict search to", help text, etc).
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
225
226
227
228
function search_form($action = 0, $query = 0, $options = 0) {
  global $keys;

  if (!$action) {
Dries Buytaert's avatar
   
Dries Buytaert committed
229
    $action = drupal_url(array("mod" => "search"), "module");
Dries Buytaert's avatar
   
Dries Buytaert committed
230
231
232
233
234
235
  }

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

Kjartan Mannes's avatar
Kjartan Mannes committed
236
237
  $output .= " <br /><input type=\"text\" size=\"50\" value=\"". check_form($keys) ."\" name=\"keys\" />";
  $output .= " <input type=\"submit\" value=\"". t("Search") ."\" />\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
238
239
240
241
242
243
244

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

    foreach (module_list() as $name) {
      if (module_hook($name, "search")) {
Kjartan Mannes's avatar
Kjartan Mannes committed
245
        $output .= " <input type=\"checkbox\" name=\"edit[type][$name]\" ". ($edit["type"][$name] ? " checked=\"checked\"" : "") ." /> ". t($name);
Dries Buytaert's avatar
   
Dries Buytaert committed
246
247
      }
    }
Kjartan Mannes's avatar
Kjartan Mannes committed
248
249

    // TODO: (link to) search hints
Dries Buytaert's avatar
   
Dries Buytaert committed
250
251
  }

Kjartan Mannes's avatar
Kjartan Mannes committed
252
253
  $form .= "<br />";

Dries Buytaert's avatar
   
Dries Buytaert committed
254
255
256
257
  return form($output, "post", $action);
}

/*
Kjartan Mannes's avatar
Kjartan Mannes committed
258
259
 * Collect the search results:
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
260
261
262
263
264
265
266
267
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($keys)))) {
Kjartan Mannes's avatar
Kjartan Mannes committed
268
269
270
271
272
273
        if ($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 Buytaert's avatar
   
Dries Buytaert committed
274
275
276
277
278
        foreach ($result as $entry) {
          $output .= search_item($entry, $name);
        }
      }
    }
Kjartan Mannes's avatar
Kjartan Mannes committed
279
    if (!$output) {
Dries Buytaert's avatar
   
Dries Buytaert committed
280
281
282
283
284
285
286
      $output .= t("Your search yielded no results.");
    }
  }

  return $output;
}

Kjartan Mannes's avatar
Kjartan Mannes committed
287
288
289
/**
 * Display the search form and the resulting data.
 *
Dries Buytaert's avatar
   
Dries Buytaert committed
290
 * @param $type    If set, search only nodes of this type.
Kjartan Mannes's avatar
Kjartan Mannes committed
291
292
293
 *                 Otherwise, search all types.
 * @param $action  Form action. Defaults to module.php?mod=search.
 * @param $query   Query string. Defaults to global $keys.
Dries Buytaert's avatar
   
Dries Buytaert committed
294
 * @param $options != 0: Render additional form fields/text
Kjartan Mannes's avatar
Kjartan Mannes committed
295
296
 *                 ("Restrict search to", help text, etc).
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
297
298
299
300
301
302
303
304
305
306
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 Buytaert's avatar
   
Dries Buytaert committed
307

Dries Buytaert's avatar
   
Dries Buytaert committed
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
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 Buytaert's avatar
   
Dries Buytaert committed
340
  global $referer, $HTTP_REFERER;
Dries Buytaert's avatar
   
Dries Buytaert committed
341

Dries Buytaert's avatar
   
Dries Buytaert committed
342
  if (!strstr($HTTP_REFERER, request_uri())) {
Dries Buytaert's avatar
   
Dries Buytaert committed
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
    $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 $name) {
Kjartan Mannes's avatar
Kjartan Mannes committed
385
386
387
    if (module_hook($name, "filter")) {
      $text = module_invoke($name, "filter", $text);
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
388
389
390
391
392
393
394
395
396
397
  }

  return $text;
}

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

function check_output($text, $nl2br = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
398
  return ($text) ? ($nl2br ? str_replace("\r", "", str_replace("\n", "<br />", stripslashes($text))) : stripslashes($text)) : message_na();
Dries Buytaert's avatar
   
Dries Buytaert committed
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
}

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";
}

Dries Buytaert's avatar
   
Dries Buytaert committed
414
415
416
function format_rss_channel($title, $link, $description, $items, $language = "en", $args = array()) {
  // arbitrary elements may be added using the $args associative array

Dries Buytaert's avatar
   
Dries Buytaert committed
417
418
419
420
421
  $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";
Dries Buytaert's avatar
   
Dries Buytaert committed
422
423
424
  foreach ($args as $key => $value) {
    $output .= "<$key>" . htmlentities(strip_tags($value)) . "</$key>";
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
425
426
427
428
429
430
  $output .= $items;
  $output .= "</channel>\n";

  return $output;
}

Dries Buytaert's avatar
   
Dries Buytaert committed
431
432
433
function format_rss_item($title, $link, $description, $args = array()) {
  // arbitrary elements may be added using the $args associative array

Dries Buytaert's avatar
   
Dries Buytaert committed
434
435
436
437
  $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";
Dries Buytaert's avatar
   
Dries Buytaert committed
438
439
440
  foreach ($args as $key => $value) {
    $output .= "<$key>" . htmlentities(strip_tags($value)) . "</$key>";
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
  $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 Buytaert's avatar
   
Dries Buytaert committed
463
function cache_get($key) {
Dries Buytaert's avatar
   
Dries Buytaert committed
464
  $cache = db_fetch_object(db_query("SELECT data FROM cache WHERE cid = '%s'", $key));
Dries Buytaert's avatar
   
Dries Buytaert committed
465
466
467
468
  return $cache->data ? $cache->data : 0;
}

function cache_set($cid, $data, $expire = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
469
470
  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 Buytaert's avatar
   
Dries Buytaert committed
471
472
  }
  else {
Dries Buytaert's avatar
   
Dries Buytaert committed
473
    db_query("INSERT INTO cache (cid, data, expire) VALUES('%s', '%s', '%s')", $cid, $data, $expire);
Dries Buytaert's avatar
   
Dries Buytaert committed
474
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
475
476
}

Dries Buytaert's avatar
   
Dries Buytaert committed
477
function cache_del($cid) {
Dries Buytaert's avatar
   
Dries Buytaert committed
478
  db_query("DELETE FROM cache WHERE cid = '%s'", $cid);
Dries Buytaert's avatar
   
Dries Buytaert committed
479
480
481
482
483
484
485
}

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

function page_set_cache() {
Dries Buytaert's avatar
   
Dries Buytaert committed
486
  global $user, $REQUEST_METHOD;
Dries Buytaert's avatar
   
Dries Buytaert committed
487
488

  if (!$user->uid && $REQUEST_METHOD == "GET") {
Dries Buytaert's avatar
   
Dries Buytaert committed
489
    if ($data = ob_get_contents()) {
Dries Buytaert's avatar
   
Dries Buytaert committed
490
      cache_set(request_uri(), $data, (time() + variable_get("cache_clear", 30)));
Dries Buytaert's avatar
   
Dries Buytaert committed
491
492
493
494
    }
  }
}

Dries Buytaert's avatar
   
Dries Buytaert committed
495
function page_get_cache() {
Dries Buytaert's avatar
   
Dries Buytaert committed
496
  global $user, $REQUEST_METHOD;
Dries Buytaert's avatar
   
Dries Buytaert committed
497
498

  if (!$user->uid && $REQUEST_METHOD == "GET") {
Dries Buytaert's avatar
   
Dries Buytaert committed
499
    if ($cache = cache_get(request_uri())) {
Dries Buytaert's avatar
   
Dries Buytaert committed
500
501
502
503
      cache_clear();
    }
    else {
      ob_start();
Dries Buytaert's avatar
   
Dries Buytaert committed
504
505
    }
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
506
507

  return $cache ? $cache : 0;
Dries Buytaert's avatar
   
Dries Buytaert committed
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
}

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":
Dries Buytaert's avatar
   
Dries Buytaert committed
529
      $date = date(variable_get("date_format", "m/d/Y - H:i"), $timestamp);
Dries Buytaert's avatar
   
Dries Buytaert committed
530
531
      break;
    case "medium":
Dries Buytaert's avatar
   
Dries Buytaert committed
532
      $date = t(date("l", $timestamp)) .", ". date(variable_get("date_format", "m/d/Y - H:i"), $timestamp);
Dries Buytaert's avatar
   
Dries Buytaert committed
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
      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:
Dries Buytaert's avatar
   
Dries Buytaert committed
551
      $date = t(date("l", $timestamp)) .", ". date(variable_get("date_format", "m/d/Y - H:i"), $timestamp);
Dries Buytaert's avatar
   
Dries Buytaert committed
552
553
554
555
556
  }
  return $date;
}

function format_name($object) {
Dries Buytaert's avatar
   
Dries Buytaert committed
557
  global $PHP_SELF;
Dries Buytaert's avatar
   
Dries Buytaert committed
558
559

  if ($object->uid && $object->name) {
Dries Buytaert's avatar
   
Dries Buytaert committed
560
    if (strstr($PHP_SELF, "admin.php")) {
Dries Buytaert's avatar
   
Dries Buytaert committed
561
      $output = la($object->name, array("mod" => "user", "op" => "edit", "id" => $object->uid));
Dries Buytaert's avatar
   
Dries Buytaert committed
562
563
    }
    else {
Dries Buytaert's avatar
   
Dries Buytaert committed
564
      $output = lm($object->name, array("mod" => "user", "op" => "view", "id" => $object->uid));
Dries Buytaert's avatar
   
Dries Buytaert committed
565
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
566
567
  }
  else {
Dries Buytaert's avatar
   
Dries Buytaert committed
568
    $output = variable_get(anonymous, "Anonymous");
Dries Buytaert's avatar
   
Dries Buytaert committed
569
570
  }

Dries Buytaert's avatar
   
Dries Buytaert committed
571
  return $output;
Dries Buytaert's avatar
   
Dries Buytaert committed
572
573
574
575
576
577
578
579
580
581
582
583
}

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, $text) {
584
  return l(($text ? $text : $link), array("title" => $link));
Dries Buytaert's avatar
   
Dries Buytaert committed
585
586
587
}

function form($form, $method = "post", $action = 0, $options = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
588
  return "<form action=\"". ($action ? $action : request_uri()) ."\" method=\"$method\"". ($options ? " $options" : "") .">\n$form</form>\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
589
590
591
}

function form_item($title, $value, $description = 0) {
592
  return "<p>". ($title ? "<b>$title:</b><br />" : "") . $value . ($description ? "<br /><small><i>$description</i></small>" : "") ."</p>\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
593
594
}

595
596
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 Buytaert's avatar
   
Dries Buytaert committed
597
598
599
600
601
602
603
604
605
606
607
608
609
610
}

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 Buytaert's avatar
   
Dries Buytaert committed
611
function form_select($title, $name, $value, $options, $description = 0, $extra = 0, $multiple = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
612
  if (count($options) > 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
613
    foreach ($options as $key=>$choice) {
Dries Buytaert's avatar
   
Dries Buytaert committed
614
615
      $select .= "<option value=\"$key\"". (is_array($value) ? (in_array($key, $value) ? " selected=\"selected\"" : "") : ($key == $value ? " selected=\"selected\"" : "")) .">". check_form($choice) ."</option>";
    }
Kjartan Mannes's avatar
Kjartan Mannes committed
616
    return form_item($title, "<select name=\"edit[$name]". ($multiple ? "[]" : "") ."\"". ($multiple ? " multiple " : "") . ($extra ? " $extra" : "") .">$select</select>", $description);
Dries Buytaert's avatar
   
Dries Buytaert committed
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
  }
}

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 Buytaert's avatar
   
Dries Buytaert committed
632
/**
Dries Buytaert's avatar
   
Dries Buytaert committed
633
634
 * Build an URL; use this functions when you must write an URL
 * for example in a form or a redirect.
Dries Buytaert's avatar
   
Dries Buytaert committed
635
636
637
638
639
640
 *
 * @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();
Dries Buytaert's avatar
   
Dries Buytaert committed
641
  foreach ($args as $key => $value) {
642
    $t[] = "$key=". urlencode($value);
Dries Buytaert's avatar
   
Dries Buytaert committed
643
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
644
  return "$script.php?". implode("&", $t);
Dries Buytaert's avatar
   
Dries Buytaert committed
645
646
647
}

/**
Dries Buytaert's avatar
   
Dries Buytaert committed
648
 * Build a HTML link; use this functions when you must write a link
Dries Buytaert's avatar
   
Dries Buytaert committed
649
650
651
 * to another drupal page
 *
 * @param $args        dictionary of arguments to be passed to the script
Dries Buytaert's avatar
   
Dries Buytaert committed
652
 * @param $text        text of the link
Dries Buytaert's avatar
   
Dries Buytaert committed
653
654
 * @param $title       optional, popup title
 * @param $script      script to be invoked; optional, defaults to node
Dries Buytaert's avatar
   
Dries Buytaert committed
655
 * @param $attributes  optional, dictionary of attributes for the <a> tag such as 'target', 'name', 'class', etc.
Dries Buytaert's avatar
   
Dries Buytaert committed
656
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
657
658
659
660
661
662
function l($text, $args = array(), $title = "", $script = "node", $attributes = array()) {
  $t = array();
  foreach ($attributes as $key => $value) {
    $t[] = "$key=\"$value\"";
  }
  return "<a href=\"". drupal_url($args, $script) ."\" title=\"$title\" ". implode($t, " ")  .">$text</a>";
Dries Buytaert's avatar
   
Dries Buytaert committed
663
664
}

Dries Buytaert's avatar
   
Dries Buytaert committed
665
function la($text, $args = array(), $title = "", $attributes = array()) {
Dries Buytaert's avatar
   
Dries Buytaert committed
666
  // we don't call l() to avoid another duplication of the array
Dries Buytaert's avatar
   
Dries Buytaert committed
667
668
669
670
671
  $t = array();
  foreach ($attributes as $key => $value) {
    $t[] = "$key=\"$value\"";
  }
  return "<a href=\"". drupal_url($args, "admin") ."\" title=\"$title\" ". implode($t, " ")  .">$text</a>";
Dries Buytaert's avatar
   
Dries Buytaert committed
672
673
}

Dries Buytaert's avatar
   
Dries Buytaert committed
674
function lm($text, $args = array(), $title = "", $attributes = array()) {
Dries Buytaert's avatar
   
Dries Buytaert committed
675
  // we don't call l() to avoid another duplication of the array
Dries Buytaert's avatar
   
Dries Buytaert committed
676
677
678
679
680
  $t = array();
  foreach ($attributes as $key => $value) {
    $t[] = "$key=\"$value\"";
  }
  return "<a href=\"". drupal_url($args, "module") ."\" title=\"$title\" ". implode($t, " ")  .">$text</a>";
Dries Buytaert's avatar
   
Dries Buytaert committed
681
682
}

Dries Buytaert's avatar
   
Dries Buytaert committed
683
684
685
686
687
688
689
function field_get($string, $name) {
  ereg(",$name=([^,]+)", ",$string", $regs);
  return $regs[1];
}

function field_set($string, $name, $value) {
  $rval = ereg_replace(",$name=[^,]+", "", ",$string");
Kjartan Mannes's avatar
Kjartan Mannes committed
690
691
692
  if ($value) {
    $rval .= ($rval == "," ? "" : ",") ."$name=$value";
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
693
694
695
696
697
698
699
700
701
702
703
704
  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() {
705
  global $custom_links;
Dries Buytaert's avatar
   
Dries Buytaert committed
706

707
708
709
710
711
  if (is_array($custom_links)) {
    return $custom_links;
  }
  else {
    $links[] = "<a href=\"index.php\">". t("home") ."</a>";
Dries Buytaert's avatar
   
Dries Buytaert committed
712
    foreach (module_list() as $name) {
713
714
      if (module_hook($name, "link")) {
        $links = array_merge($links, module_invoke($name, "link", "page"));
Dries Buytaert's avatar
   
Dries Buytaert committed
715
      }
Dries Buytaert's avatar
   
Dries Buytaert committed
716
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
717

718
    return $links;
Dries Buytaert's avatar
   
Dries Buytaert committed
719
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
720
}
Dries Buytaert's avatar
   
Dries Buytaert committed
721
722
723
724
725
726
727
728
729
730
731
732
733

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 Buytaert's avatar
   
Dries Buytaert committed
734
735
  list($usec, $sec) = explode(" ", microtime());
  $timer = (float)$usec + (float)$sec;
Dries Buytaert's avatar
   
Dries Buytaert committed
736
737
738
739
}

function timer_print() {
  global $timer;
Dries Buytaert's avatar
   
Dries Buytaert committed
740
741
742
743
  list($usec, $sec) = explode(" ", microtime());
  $stop = (float)$usec + (float)$sec;
  $diff = $stop - $timer;
  print "<pre>execution time: $diff sec</pre>";
Dries Buytaert's avatar
   
Dries Buytaert committed
744
745
746
747
748
749
750
}

function query_print() {
  global $queries;
  print "<pre>";
  print_r($queries);
  print "</pre>";
Dries Buytaert's avatar
   
Dries Buytaert committed
751
752
753
754
755
756
757
758
}

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

  if (variable_get("cache", 0)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
759
    if ($data = page_get_cache()) {
Dries Buytaert's avatar
   
Dries Buytaert committed
760
761
762
763
764
765
766
767
768
769
770
      print $data;
      exit();
    }
  }
}

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

Dries Buytaert's avatar
   
Dries Buytaert committed
771
772
773
774
  if (variable_get("dev_query", 0)) {
    query_print();
  }

Dries Buytaert's avatar
   
Dries Buytaert committed
775
  if (variable_get("cache", 0)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
776
    page_set_cache();
Dries Buytaert's avatar
   
Dries Buytaert committed
777
778
779
780
781
782
  }
}

$config = conf_init();

unset($conf);
Dries Buytaert's avatar
   
Dries Buytaert committed
783

Dries Buytaert's avatar
   
Dries Buytaert committed
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
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");

?>