台灣數位學習數位教學平台 RSS feed provider zh-tw http://lms.xms.com.tw/board.php?courseID=100&f=doclist&folderID=1098 http://lms.xms.com.tw/board.php?courseID=100&f=doc&cid=5355 [hooks] The places where code can be executed are called "hooks" and are defined by a fixed interface. A hook can be thought of as an event in the sense that an event triggers something. The event in Drupal, such as deleting a node, would trigger the hook "hook_delete". http://drupal.org/node/292      Sat, 02 Apr 2011 18:56:51 +0800 http://lms.xms.com.tw/board.php?courseID=100&f=doc&cid=4779 function onthisdate_admin_validate($form, &$form_state){    $maxdisp = $form_state['values']['onthisdate_maxdisp'];    if (!is_numeric($maxdisp))    {        form_set_error('onthisdate_maxdisp', t('You must enter an integer for the maximum number of links.'));    }    else if ($maxdisp <= 0)    {        form_set_error('onthisdate_maxdisp', t('Maximum number of links must be positive.'));    }} Tue, 01 Mar 2011 11:43:04 +0800 http://lms.xms.com.tw/board.php?courseID=100&f=doc&cid=4777 儲存系統的設定, bootstrap.inc /** * Load the persistent variable table. * * The variable table is composed of values that have been saved in the table * with variable_set() as well as those explicitly specified in the configuration * file. */function variable_init($conf = array()) {  if ($cached = cache_get('variables', 'cache')) {    $variables = $cached->data;  }  else {    $result = db_query('SELECT * FROM {variable}');    while ($variable = db_fetch_object($result)) {      $variables[$variable->name] = unserialize($variable->value);    }    cache_set('variables', $variables);  }   foreach ($conf as $name => $value) {    $variables[$name] = $value;  }   return $variables;}   function variable_get($name, $default) {  global $conf;   return isset($conf[$name]) ? $conf[$name] : $default;}   function variable_set($name, $value) {  global $conf;   $serialized_value = serialize($value);  db_query("UPDATE {variable} SET value = '%s' WHERE name = '%s'", $serialized_value, $name);  if (!db_affected_rows()) {    @db_query("INSERT INTO {variable} (name, value) VALUES ('%s', '%s')", $name, $serialized_value);  }   cache_clear_all('variables', 'cache');   $conf[$name] = $value;} Tue, 01 Mar 2011 11:24:29 +0800