drupal7 常用的数据读取API

简介：这是drupal7 常用的数据读取API的详细页面，介绍了和php,有关的知识、技巧、经验，和一些php源码等。

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// node
node_load($nid = NULL, $vid = NULL, $reset = FALSE);
node_load_multiple($nids = array(), $conditions = array(), $reset = FALSE);

// user
user_load($uid, $reset = FALSE);
user_load_multiple($uids = array(), $conditions = array(), $reset = FALSE);

// menu tree
menu_tree_all_data($menu_name, $link = NULL, $max_depth = NULL);
menu_tree_page_data($menu_name, $max_depth = NULL, $only_active_trail = FALSE);

// term
taxonomy_term_load($tid) : object
taxonomy_term_load_multiple($tids = array(), $conditions = array()) : array
taxonomy_get_tree($vid, $parent = 0, $max_depth = NULL, $load_entities = FALSE) : array

// block
block_load($module, $delta);

// Pager
db_select('node', 'n')
    ->extend('PagerDefault')->limit(5)
    ->fields('n');
->fetchField();
db_query_range('SELECT n.nid, n.title, n.created
  FROM {node} n WHERE n.uid = :uid', 0, 10, array(':uid' => $uid));

$fields = array('nid' => 1, 'title' => 'my title', 'body' => 'my body');
db_insert('node')->fields($fields)->execute();

db_update('example')
  ->condition('id', $id)
  ->fields(array('field2' => 10))
  ->execute();

// select
$query = db_select('comment', 'c')
  ->fields('c', array('subject', 'name'))
  ->fields('n', array('title'))
  ->extend('PagerDefault')->limit(5)
  ->condition('n.type', array('article'), 'IN')
  ->orderBy('c.cid', 'DESC');
$query->join('node', 'n', 'n.nid = c.nid');
$data = $query->execute();