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comparison adserve.inc @ 1:948362c2a207 ad

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update advertisement
author pierre
date Thu, 02 Apr 2009 15:28:21 +0000
parents d8a3998dac8e
children e5584a19768b
comparison
equal deleted inserted replaced
0:d8a3998dac8e 1:948362c2a207
1 <?php 1 <?php
2 // $Id: adserve.inc,v 1.1.2.31.2.8 2009/02/17 19:22:45 jeremy Exp $ 2 // $Id: adserve.inc,v 1.1.2.31.2.8.2.6 2009/03/27 17:26:02 jeremy Exp $
3 3
4 /** 4 /**
5 * @file 5 * @file
6 * Configuration. 6 * Configuration.
7 * 7 *
26 * The main adserve logic. 26 * The main adserve logic.
27 */ 27 */
28 function adserve_ad($options = array()) { 28 function adserve_ad($options = array()) {
29 static $displayed_count = 0; 29 static $displayed_count = 0;
30 30
31 // If no $options are passed in, assume we're using JavaScript. 31 // if no $options are passed in, assume we're using JavaScript
32 if (!empty($options)) { 32 if (!empty($options)) {
33 adserve_variable('variable_load', $options); 33 adserve_variable('variable_load', $options);
34 } 34 }
35 else { 35 else {
36 adserve_variable('variable_load'); 36 adserve_variable('variable_load');
37 } 37 }
38
39 // include Drupal's settings.php
38 adserve_bootstrap(0); 40 adserve_bootstrap(0);
39 41
42 // if debug enabled, dump current state
40 adserve_debug(); 43 adserve_debug();
41 44
45 // start with 'error' set to false
42 adserve_variable('error', FALSE); 46 adserve_variable('error', FALSE);
43 $output = NULL; 47
44 if (adserve_variable('adcache') != 'none') { 48 // invoke cache function (file already included in adserve_variable)
45 /** 49 $ids = adserve_cache('get_ad_ids');
46 * Ad caches are defined through external modules. Ad caches are composed 50
47 * of a module 'ad_cache_TYPE.module' and an include file 51 // display the advertisement(s)
48 * 'ad_cache_TYPE.inc' that live in the 'cache/TYPE' subdirectory where 52 adserve_cache('display', $ids);
49 * 'TYPE' is replaced with the type of cache. For example, the included
50 * file cache lives in 'cache/file'.
51 *
52 * The ad_cache_TYPE.inc file must have a function named ad_cache_TYPE()
53 * which is used to display ads. It can optionally include a function
54 * titled ad_cache_TYPE_variables used to extract any necessary
55 * variables from the global $_GET array (this can also be used to override
56 * values that would normally be set from $_GET). Any functions used
57 * by this code without bootstrapping Drupal should also be in this file.
58 *
59 * The ad_cache_TYPE.module file should define the drupal _help() hook
60 * so the module can be enabled. It should also define the _adcacheapi()
61 * hook allowing for configuration and processing. Any functions used by
62 * this code after bootstrapping Drupal should also be in this module.
63 *
64 * Refer to cache/file/* for an implementation example.
65 */
66 $function = 'ad_cache_'. adserve_variable('adcache');
67 $output = adserve_invoke_file($function);
68
69 }
70
71 // If there's no output, we assume either there's no cache enabled, or the
72 // cache failed.
73 // TODO: Log failures with the watchdog.
74 if ($output == NULL) {
75 if (adserve_variable('debug')) {
76 echo "No cache enabled.<br />\n";
77 }
78
79 adserve_bootstrap();
80
81 if (adserve_variable('nids')) {
82 $id = adserve_variable('nids');
83 $type = 'nids';
84 adserve_variable('group', "n$id");
85
86 // Retrieve all active advertisements from the provided nid list.
87 $sql = "SELECT aid FROM {ads} WHERE adstatus = 'active' AND aid IN (%s)";
88 $result = db_query($sql, $id);
89
90 if (adserve_variable('debug')) {
91 echo "Searching for ad from nid list: $id.<br />\n";
92 echo "Query: \"$sql;\"<br />\n";
93 }
94 }
95 else if (adserve_variable('tids')) {
96 $id = adserve_variable('tids');
97 $type = 'tids';
98 adserve_variable('group', "t$id");
99
100 // Retrieve all active advertisements from the provided tid list.
101 $sql = "SELECT a.aid FROM {ads} a INNER JOIN {term_node} n ON a.aid = n.nid WHERE a.adstatus = 'active' AND n.tid IN (%s)";
102 $result = db_query($sql, $id);
103
104 if (adserve_variable('debug')) {
105 echo "Searching for ad from tid list: $id.<br />\n";
106 echo "Query: \"$sql;\"<br />\n";
107 }
108 }
109 else {
110 $id = 0;
111 $type = 'default';
112 adserve_variable('group', "$id");
113
114 // Randomly determine which ad to display from those that do not have
115 // any tid assigned to them.
116 $sql = "SELECT a.aid FROM {ads} a LEFT JOIN {term_node} n ON a.aid = n.nid WHERE a.adstatus = 'active' AND n.tid IS NULL";
117 $result = db_query($sql);
118
119 if (adserve_variable('debug')) {
120 echo "Searching for ads with no tids.<br />\n";
121 echo "Query: \"$sql;\"<br />\n";
122 }
123 }
124
125 // Build list of all available ads to choose from.
126 $available = array();
127 while ($ad = db_fetch_object($result)) {
128 $available[$ad->aid] = $ad->aid;
129 }
130 if (adserve_variable('debug')) {
131 echo 'Available ads: ';
132 if (sizeof($ads)) {
133 echo implode(', ', $available) ."<br />";
134 }
135 else {
136 echo 'none<br />';
137 }
138 }
139
140 // Randomly select from available advertisements.
141 $selected = adserve_select_ad($available, adserve_variable('quantity'));
142
143 $output = '';
144 $ads = 0;
145 $details = array();
146 $ids = array();
147 // Include appropriate module for displaying selected ad.
148 foreach ($selected as $aid) {
149 $ids[$aid] = $aid;
150 $ads++;
151 $detail = $details[$aid] = node_load($aid);
152 if (!isset($modules[$detail->adtype])) {
153 $modules[$detail->adtype] = db_result(db_query("SELECT filename FROM {system} WHERE name = '%s'", 'ad_'. $detail->adtype));
154 }
155 if (adserve_variable('debug')) {
156 echo 'ad: <pre>';
157 print_r($detail);
158 echo '</pre>';
159 echo "Loading module '". $modules[$detail->adtype] ."'.<br />\n";
160 }
161 include_once $modules[$detail->adtype];
162
163 if ($output) {
164 // Add a div between ads that themers can use to arrange ads when
165 // displaying more than one at a time.
166 $displayed_count++;
167 $output .= "<div class=\"advertisement-space\" id=\"space-$id-$displayed_count\"></div>";
168 }
169 $output .= module_invoke("ad_$detail->adtype", 'display_ad', $detail);
170
171 // Update the ad's impressions counter.
172 if (adserve_variable('ad_display') == 'raw') {
173 $output .= ad_display_image($detail);
174 }
175 else {
176 adserve_increment($detail);
177 }
178 }
179 adserve_variable("$type-ids", $ids);
180 if (empty($ads)) {
181 adserve_variable('error', TRUE);
182 $output = 'No active ads were found in the '. (empty($nids) ? 'tids' : 'nids') ." '$id'.";
183 adserve_increment(NULL, 'count');
184 }
185 if (adserve_variable('debug')) {
186 echo "Ads displayed: $ads<br />";
187 }
188 }
189
190 $hostid = adserve_variable('hostid');
191 $group = adserve_variable('group');
192 $replace = "/$group";
193 if (!empty($hostid)) {
194 $replace .= "/$hostid";
195 }
196 if ($url = htmlentities(adserve_variable('url'))) {
197 $replace .= "?u=$url";
198 }
199
200 $output = preg_replace('&/@HOSTID___&', $replace, $output);
201 if (adserve_variable('error')) {
202 $output = "<!-- $output -->";
203 }
204
205 /**
206 * Modules can add custom code to be displayed before or after ads are
207 * displayed. For example, you many want to add a tagline, "Powered by
208 * Drupal". To do so, define 'adserve_exit_text' within your module's
209 * adapi hook.
210 *
211 * Code sample for adserve_exit_text example:
212 *
213 * sample_adapi($op, $ad) {
214 * case 'adserve_exit_text':
215 * return array(
216 * 'sample' => array(
217 * 'text' => t('Powered by Drupal'),
218 * )
219 * );
220 * }
221 *
222 * As another example use case, you could also use the _init_text and
223 * _exit_text hooks to wrap all advertisements in a custom div.
224 */
225 $init = TRUE;
226 foreach (array('adserve_init_text', 'adserve_exit_text') as $hook) {
227 $result = adserve_invoke_hook($hook);
228 if (is_array($result)) {
229 $append = '';
230 foreach ($result as $text) {
231 if ($text['text']) {
232 $append .= $text['text'];
233 }
234 }
235 if ($init) {
236 $output = $append . $output;
237 }
238 else {
239 $output .= $append;
240 }
241 }
242 $init = FALSE;
243 }
244
245 switch (adserve_variable('ad_display')) {
246 case 'iframe':
247 case 'jquery':
248 if (!adserve_variable('debug')) {
249 // Tell the web browser not to cache this frame so the ad refreshes
250 // each time the page is viewed.
251
252 // Expires in the past:
253 header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
254 // Last load:
255 header('Last-Modified: '. gmdate('D, d M Y H:i:s') .' GMT');
256 // HTTP 1.1:
257 header('Cache-Control: no-store, no-cache, must-revalidate');
258 header('Cache-Control: post-check=0, pre-check=0', FALSE);
259 // HTTP 1.0:
260 header('Pragma: no-cache');
261 }
262 print "$output";
263 exit(0);
264 case 'javascript':
265 default:
266 $output = str_replace(array("\r", "\n", "<", ">", "&"),
267 array('\r', '\n', '\x3c', '\x3e', '\x26'),
268 addslashes($output));
269 if (!adserve_variable('debug')) {
270 // Tell the web browser not to cache this script so the ad refreshes
271 // each time the page is viewed.
272 // Expires in the past:
273 header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
274 // Last load:
275 header('Last-Modified: '. gmdate('D, d M Y H:i:s') .' GMT');
276 // HTTP 1.1:
277 header('Cache-Control: no-store, no-cache, must-revalidate');
278 header('Cache-Control: post-check=0, pre-check=0', FALSE);
279 // HTTP 1.0:
280 header('Pragma: no-cache');
281 // Output is a JavaScript:
282 header('Content-Type: application/x-javascript; charset=utf-8');
283 }
284 print "document.write('$output');";
285 exit(0);
286 case 'raw':
287 chdir(adserve_variable('ad_dir'));
288 return $output;
289 }
290 } 53 }
291 54
292 /** 55 /**
293 * Retrieve variables from $_GET array or from passed in $value array. 56 * Retrieve variables from $_GET array or from passed in $value array.
294 */ 57 */
295 function adserve_variable($variable, $value = NULL) { 58 function adserve_variable($variable, $value = NULL) {
296 global $conf; 59 global $conf;
297 static $variables = NULL, $overridden = NULL, $cache_loaded = array(); 60 static $variables = NULL, $overridden = NULL, $cache_loaded = array();
61
62 // Declare variables if not already declared.
63 if ($variables === NULL) {
64 $variables = new stdClass();
65 }
298 66
299 // Update the value, if set. 67 // Update the value, if set.
300 if (isset($value)) { 68 if (isset($value)) {
301 $variables->$variable = $value; 69 $variables->$variable = $value;
302 } 70 }
328 $variables->tids = isset($values['t']) ? preg_replace('/[^0-9,]/', '', $values['t']) : ''; 96 $variables->tids = isset($values['t']) ? preg_replace('/[^0-9,]/', '', $values['t']) : '';
329 // Hostid is an md5() which is comprised of numbers and letters a-f. 97 // Hostid is an md5() which is comprised of numbers and letters a-f.
330 $variables->hostid = isset($values['k']) ? preg_replace('/[^0-9a-f]/', '', $values['k']) : ''; 98 $variables->hostid = isset($values['k']) ? preg_replace('/[^0-9a-f]/', '', $values['k']) : '';
331 // Click url 99 // Click url
332 $variables->url = isset($values['u']) ? $values['u'] : ''; 100 $variables->url = isset($values['u']) ? $values['u'] : '';
101 if (!$variables->url) {
102 $variables->url = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '';
103 }
333 // Quantity is an integer. 104 // Quantity is an integer.
334 $variables->quantity = isset($values['q']) ? (int)$values['q'] : 0; 105 $variables->quantity = isset($values['q']) ? (int)$values['q'] : 0;
335 // Ad ID is an integer. 106 // Ad ID is an integer.
336 $variables->aid = isset($values['a']) ? (int)$values['a'] : 0; 107 $variables->aid = isset($values['a']) ? (int)$values['a'] : 0;
337 // Method is compriese of only letters. 108 // Method is compriese of only letters.
421 echo "Function '$function' does not exist.<br />\n"; 192 echo "Function '$function' does not exist.<br />\n";
422 } 193 }
423 return $output; 194 return $output;
424 } 195 }
425 196
426 /** 197 /*
427 * Invoke adserve hooks, defined in adapi with adserve_HOOK. 198 * When debugging, strip away distracting header errors. Dump all other errors.
428 */ 199 */
429 function adserve_invoke_hook($hook, $a1 = NULL, $a2 = NULL) { 200 function _debug_error_handler($errno, $errstr, $errfile = NULL, $errline = 0, $errcontext = NULL) {
430 if (adserve_variable('adcache') != 'none') { 201 if (!preg_match('/Cannot modify header information/', $errstr) &&
431 $cache = adserve_variable('adcache'); 202 !preg_match('/Cannot send session cache limiter/', $errstr)) {
432 _debug_echo("Invoking adserve hook '$hook' in $cache cache."); 203 echo "PHP: errno($errno): $errstr ";
433 // Get information from cache. 204 if ($errfile && $errline) {
434 return adserve_invoke_file("ad_cache_{$cache}_$hook", $a1, $a2); 205 echo "; Line $errline in [$errfile]";
435 } 206 }
436 else { 207 echo "<br />\n";
437 _debug_echo("Invoking adserve hook '$hook'."); 208 if (!empty($errcontext) && adserve_variable('debug') >= 5) {
438 // Get information from Drupal variable table. 209 echo 'Error context:<pre>';
439 $actions = variable_get($hook, ''); 210 print_r($errcontext);
440 $return = array(); 211 echo '</pre>';
441 if (!empty($actions)) { 212 }
442 $actions = unserialize($actions); 213 }
443 foreach ($actions as $name => $action) { 214 }
444 if ($action['function']) { 215
445 $function = $action['function']; 216 /**
446 if (!function_exists($function)) { 217 * Dump debug message to screen; set custom error handler.
447 if ($action['path']) { 218 */
448 _debug_echo("Including file '". $action['path'] ."'.");
449 include_once($action['path']);
450 }
451 }
452 if (function_exists($function)) {
453 _debug_echo("Invoking function '$function'.");
454 $return[] = $function($a1, $a2);
455 }
456 else if (adserve_variable('debug')) {
457 echo "Function '$function' does not exist.<br />\n";
458 }
459 }
460 else {
461 $return[] = $action;
462 }
463 }
464 }
465 return $return;
466 }
467 // Retreive hook definition from cache if using, or from variable_get
468 // return hook action.
469 }
470
471 function _debug_echo($text) { 219 function _debug_echo($text) {
220 static $error_handler = FALSE;
221 static $time = 0;
222
472 if (adserve_variable('debug')) { 223 if (adserve_variable('debug')) {
224 if ($time < time()) {
225 $time = time();
226 echo '--> Time mark: '. date('H:i:s', $time) ."<br />\n";
227 _debug_memory();
228 }
229 if (!$error_handler) {
230 set_error_handler('_debug_error_handler');
231 $error_handler = TRUE;
232 }
473 echo "$text<br />\n"; 233 echo "$text<br />\n";
474 } 234 }
475 } 235 }
476 236
477 /** 237 function _debug_memory() {
478 * Remove one or more ids from array. 238 $memory = '';
479 * TODO: Optimize. Perhaps something like array_flip, unset, array_flip. 239 if (adserve_variable('debug') && function_exists('memory_get_usage')) {
480 * @param $ids An array of ID's, ie array(5, 8, 9, 11). 240 $memory = number_format(round(memory_get_usage() / 1024, 3), 3);
481 * @param $remove An ID or an array of ID's to be removed from $ids. 241 echo "Memory usage: $memory K<br />\n";
482 */ 242 }
483 function adserve_select_reindex($ids, $remove) {
484 $new = array();
485 // Walk through array of IDs and decide what to keep.
486 foreach ($ids as $id) {
487 // If $remove is an array, walk through array to decide fate of ID.
488 if (is_array($remove)) {
489 $keep = TRUE;
490 foreach ($remove as $rem) {
491 // Loop until we find one that matches or reach end of array.
492 if ($id == $rem) {
493 $keep = FALSE;
494 break;
495 }
496 }
497 if ($keep) {
498 $new[] = $id;
499 }
500 }
501 else {
502 if ($id != $remove) {
503 $new[] = $id;
504 }
505 }
506 }
507 return $new;
508 }
509
510 /**
511 * Disabled: will be re-implemented with new adserve hooks introduced for
512 * geotargeting.
513 function adserve_invoke_weight($ads, $quantity = 1, $invalid = array()) {
514 $parent = adserve_variable('ad_dir') .'/weight';
515 if (is_dir($parent) && $handle = opendir($parent)) {
516 while ($dir = readdir($handle)) {
517 if (is_dir("$parent/$dir") && !in_array($dir, array('.', '..', 'CVS'))) {
518 $include = "$parent/$dir/ad_weight_$dir.inc";
519 if (file_exists($include)) {
520 require_once($include);
521 $function = "ad_weight_{$dir}_select_ad";
522 if (function_exists($function)) {
523 $return = $function($ads, $quantity, $invalid);
524 // First come, first serve. We found an ad_weight function that
525 // returned something, so we'll take it.
526 if ($return) {
527 return $return;
528 }
529 }
530 }
531 }
532 }
533 }
534 }
535 */
536
537 /**
538 * Simple default function to randomly select an ad. Provides a hook to allow
539 * the definition of external display methods.
540 * @param An array of valid ad IDs, ie array(5, 8, 9, 11).
541 * @param Optional, how many unique ads to select.
542 * @param Optional, an array of invalid IDs.
543 */
544 function adserve_select_ad($ads, $quantity = 1, $invalid = array()) {
545 //adserve_invoke_weight($ads, $quantity, $invalid);
546
547 $ids = array();
548 $id = 0;
549 $total = sizeof($ads);
550 _debug_echo("Selecting $quantity ad(s) from $total total ad(s).");
551 if (is_array($ads)) {
552 $ads = adserve_select_reindex($ads, $invalid);
553 $total = sizeof($ads);
554 for ($i = 0; $i < $quantity; $i++) {
555 _debug_echo('Randomly selecting ad: '. ($i + 1) ." of $quantity.");
556 $id = 0;
557 // Randomly select a unique banner to display. We subtract 1 as arrays
558 // start at 0.
559 $return = adserve_invoke_hook('adserve_select', $ads, $invalid);
560 if (is_array($return) && !empty($return)) {
561 foreach ($return as $id) {
562 // First come first serve.
563 if ((int)$id) break;
564 }
565 }
566 if ($id >= 0 && sizeof($ads)) {
567 if ($id == 0) {
568 _debug_echo("Default ID selection in adserve.inc.");
569 $id = $total > 1 ? $ads[mt_rand(0, $total - 1)] : $ads[0];
570 _debug_echo("Randomly selected ID: $id.");
571 }
572 if ($id > 0) {
573 $ids[] = $id;
574 }
575 }
576 else {
577 // There are no more valid advertisements left to display.
578 break;
579 }
580 $invalid[] = $id;
581 $ads = adserve_select_reindex($ads, $id);
582 $total = sizeof($ads);
583 // We're out of ads to display.
584 if ($total <= 0) {
585 break;
586 }
587 }
588 }
589 return $ids;
590 } 243 }
591 244
592 /** 245 /**
593 * Include Drupal's bootstrap.inc. 246 * Include Drupal's bootstrap.inc.
594 */ 247 */
627 // If no specific bootstrap is specified, do a full bootstrap. 280 // If no specific bootstrap is specified, do a full bootstrap.
628 if (!isset($bootstrap)) { 281 if (!isset($bootstrap)) {
629 $bootstrap = DRUPAL_BOOTSTRAP_FULL; 282 $bootstrap = DRUPAL_BOOTSTRAP_FULL;
630 } 283 }
631 284
632 if (adserve_variable('debug')) { 285 echo _debug_echo("Drupal bootstrap '$bootstrap'.");
633 echo "Drupal bootstrap '". $bootstrap ."'.<br />\n";
634 }
635 286
636 drupal_bootstrap($bootstrap); 287 drupal_bootstrap($bootstrap);
637 } 288 echo _debug_echo("Drupal bootstrap complete.");
638
639 /**
640 * Increment ad counters. Increment in cache if enabled.
641 */
642 function adserve_increment($ad, $action = 'view') {
643 $cache = adserve_variable('adcache');
644 if (adserve_variable('debug')) {
645 echo "adserve_increment action($action) cache($cache)<br />\n";
646 }
647 if (is_object($ad) && isset($ad->aid)) {
648 $aid = $ad->aid;
649 }
650 else {
651 $aid = 0;
652 }
653 if ($cache != 'none') {
654 $rc = adserve_invoke_file("ad_cache_{$cache}_increment", $action, $aid);
655 if ($rc) return;
656 }
657 adserve_bootstrap();
658 // Update impressions statistics.
659 db_query("UPDATE {ad_statistics} SET count = count + 1 WHERE aid = %d AND action = '%s' AND date = %d AND adgroup = '%s' AND hostid = '%s'", $aid, $action, date('YmdH'), adserve_variable('group'), adserve_variable('hostid'));
660 // If column doesn't already exist, we need to add it.
661 if (!db_affected_rows()) {
662 db_query("INSERT INTO {ad_statistics} (aid, date, action, adgroup, hostid, count) VALUES(%d, %d, '%s', '%s', '%s', 1)", $aid, date('YmdH'), $action, adserve_variable('hostid'), adserve_variable('hostid'));
663 // If another process already added this row our INSERT will fail, if
664 // so we still need to increment it so we don't loose an impression.
665 if (!db_affected_rows()) {
666 db_query("UPDATE {ad_statistics} SET count = count + 1 WHERE aid = %d AND action = '%s' AND date = %d AND adgroup = '%s' AND hostid = '%s'", $aid, $action, date('YmdH'), adserve_variable('group'), adserve_variable('hostid'));
667 }
668 }
669
670 if ($action == 'view') {
671 // See if we need to perform additional queries.
672 if (isset($ad->maxviews) && $ad->maxviews > 0) {
673 $views = (int)db_result(db_query("SELECT SUM(count) FROM {ad_statistics} WHERE aid = %d AND action = 'view' AND date >= %d", $aid, date('YmdH', $ad->activated)));
674 if ($views >= $ad->maxviews) {
675 db_query("UPDATE {ads} SET adstatus = 'expired', autoexpire = 0, autoexpired = %d, expired = %d WHERE aid = %d", time(), time(), $aid);
676 ad_statistics_increment($aid, 'autoexpired');
677 ad_statistics_increment($aid, 'expired');
678 }
679 }
680 }
681 // TODO: Do we need to do this here? Can it happen when a new click is
682 // registered?
683 if (isset($ad->maxclicks) && $ad->maxclicks > 0) {
684 $clicks = (int)db_result(db_query("SELECT SUM(count) FROM {ad_statistics} WHERE aid = %d AND action = 'click' AND date >= %d", $aid, date('YmdH', $ad->activated)));
685 if ($clicks >= $ad->maxclicks) {
686 db_query("UPDATE {ads} SET adstatus = 'expired', autoexpire = 0, autoexpired = %d, expired = %d WHERE aid = %d", time(), time(), $aid);
687 ad_statistics_increment($aid, 'autoexpired');
688 ad_statistics_increment($aid, 'expired');
689 }
690 }
691 } 289 }
692 290
693 /** 291 /**
694 * Display additional debug information. 292 * Display additional debug information.
695 */ 293 */
696 function adserve_debug() { 294 function adserve_debug() {
697 if (adserve_variable('debug')) { 295 if (adserve_variable('debug')) {
698 echo "Root drupal directory detected as '". adserve_variable('root_dir') ."'.<br />\n<br />\n"; 296 echo "Root drupal directory detected as '". adserve_variable('root_dir') ."'.<br />\n<br />\n";
699 297
700 $ad_dir = adserve_variable('ad_dir'); 298 $ad_dir = adserve_variable('ad_dir');
701 $files = array("$ad_dir/serve.php", "$ad_dir/ad.module"); 299 $files = array("$ad_dir/serve.php", "$ad_dir/adserve.inc", "$ad_dir/adcache.inc", "$ad_dir/ad.module");
702 if (adserve_variable('debug') > 2) { 300 if (adserve_variable('debug') >= 2) {
703 $files = array_merge($files, array("$ad_dir/ad.install")); 301 $files = array_merge($files, array("$ad_dir/ad.install"));
704 } 302 }
705 if (adserve_variable('debug') > 3) { 303 if (adserve_variable('debug') >= 3) {
706 $files = array_merge($files, array("$ad_dir/image/ad_image.module", "$ad_dir/image/ad_image.install", "$ad_dir/text/ad_text.module", "$ad_dir/text/ad_text.install", "$ad_dir/embed/ad_embed.module", "$ad_dir/report/ad_report.module", "$ad_dir/notify/ad_notify.module", "$ad_dir/notify/ad_notify.install")); 304 $files = array_merge($files, array("$ad_dir/image/ad_image.module", "$ad_dir/image/ad_image.install", "$ad_dir/text/ad_text.module", "$ad_dir/text/ad_text.install", "$ad_dir/embed/ad_embed.module", "$ad_dir/report/ad_report.module", "$ad_dir/notify/ad_notify.module", "$ad_dir/notify/ad_notify.install", "$ad_dir/cache/file/ad_cache_file.inc", "$ad_dir/cache/file/ad_cache_file.module", "$ad_dir/permission/ad_permission.module", "$ad_dir/weight/probability/ad_weight_probability.module", "$ad_dir/weight/probability/ad_weight_probability.inc"));
707 } 305 }
708 foreach ($files as $file) { 306 foreach ($files as $file) {
709 if (!file_exists($file)) { 307 if (!file_exists($file)) {
710 echo "Error: '$file' does not exist!<br />\n"; 308 echo "Error: '$file' does not exist!<br />\n";
711 } 309 }