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Guidelines for Updating Node Fields Without node_save() In Drupal

Parent Feed: 
AddWeb Solution

Customization is nowadays common in Drupal site. Here you may need to save node programmatically at any time. For saving node programmatically we use node_save() hook which will save the whole node though we want to update only one field.

A Drupal function field_attach_update() will replace node_save() in some way. It will update only that field which you want to update.

Benefits of field_attach_update()

  1. Reduces load time.
  2. Not update CCK fields.
  3. Easy to use.

Below is the code to use field_attach_update() hook.

// $arr_nids is array of node id that you want to update
$arr_nodes = node_load_multiple($arr_nids);
foreach ($arr_nodes as $key => $node) {
$node->field_fieldname1[LANGUAGE_NONE][0]['value'] = 'field1 value';
$node->field_fieldname2[LANGUAGE_NONE][0]['value'] = 'field2 value';
$node->field_fieldname3[LANGUAGE_NONE][0]['value'] = 'field3 value';

field_attach_update('node', $node);
entity_get_controller('node')->resetCache(array($node->nid));
}

entity_get_controller('node')->resetCache(array($node->nid)) is used to clear cache for the entity.

For example:

Values before using field_attach_update():

Guidelines for Updating Node Fields Without node_save() In Drupal

Update Fields using field_attach_update():

$nid = '29';
$node = node_load($nid);
$node->field_fname[LANGUAGE_NONE][0]['value'] = 'Johnny1';
$node->field_lname[LANGUAGE_NONE][0]['value'] = 'Harper1';
$node->field_address[LANGUAGE_NONE][0]['value'] = '405, Silicon Tower, Above Freezland Restaurant, Law Garden, Off C.G. road, Ahmedabad, Gujarat - 380009 India.';

field_attach_update('node', $node);
entity_get_controller('node')->resetCache(array($node->nid));

Values after using field_attach_update():

Guidelines for Updating Node Fields Without node_save() In Drupal

Hope this helped you to get most out of the system. Need more assistance for Drupal Development Services then get in touch with us. Feel free to share your reviews and pick the best answer for your requirements. #WeDrupalEveryday

Author: 
Jigish Chauhan
Original Post: 
https://www.addwebsolution.com/blog/guidelines-for-updating-node-fields-without-nodesave-in-drupal

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