node_save

• Drupal 4.6
• Drupal 4.7
• Drupal 5
• Drupal 6
• Drupal 7

Versions

4.6

node_save($node)

4.7 – 6

node_save(&$node)

7

node_save(stdClass $node)

Save a node object into the database.

Code

modules/node.module, line 399

<?php
function node_save($node) {
  // Fetch fields to save to node table:
  $fields = node_invoke_nodeapi($node, 'fields');

  // Serialize the revisions field:
  if ($node->revisions) {
    $node->revisions = serialize($node->revisions);
  }

  // Apply filters to some default node fields:
  if (empty($node->nid)) {
    // Insert a new node.

    // Set some required fields:
    if (!$node->created) {
      $node->created = time();
    }
    if (!$node->changed) {
      $node->changed = time();
    }
    $node->nid = db_next_id('{node}_nid');

    // Prepare the query:
    foreach ($node as $key => $value) {
      if (in_array((string) $key, $fields)) {
        $k[] = db_escape_string($key);
        $v[] = $value;
        $s[] = "'%s'";
      }
    }

    // Insert the node into the database:
    db_query("INSERT INTO {node} (". implode(", ", $k) .") VALUES(". implode(", ", $s) .")", $v);

    // Call the node specific callback (if any):
    node_invoke($node, 'insert');
    node_invoke_nodeapi($node, 'insert');
  }
  else {
    // Update an existing node.

    // Set some required fields:
    $node->changed = time();

    // Prepare the query:
    foreach ($node as $key => $value) {
      if (in_array($key, $fields)) {
        $q[] = db_escape_string($key) ." = '%s'";
        $v[] = $value;
      }
    }

    // Update the node in the database:
    db_query("UPDATE {node} SET ". implode(', ', $q) ." WHERE nid = '$node->nid'", $v);

    // Call the node specific callback (if any):
    node_invoke($node, 'update');
    node_invoke_nodeapi($node, 'update');
  }

  // Clear the cache so an anonymous poster can see the node being added or updated.
  cache_clear_all();

  // Return the node ID:
  return $node->nid;
}
?>

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