In the hook_node_load function I want to alter a field's value. I printed the node variable and got the following structure for the field:

    [field_myfield] => Array
            [und] => Array
                    [0] => Array
                            [value] => 1316760775



So I should write something like $node->field_myfield[und][0]['value'] = 'sth'. My site has 2 available languages, and [und] will be changed when language is changed. How can I alter the field value for all languages?

2 Answers 2


The $node object will have its language in a language variable. So, create another variable to work with like $lang = $node->language;; then you can write $node->field_myfield[$lang][0]['value'] = 'sth';, where the language will be dynamic with the $node object.


I'd go with entity_metadata_wrapper(), see this blog post for more info on that.

$node = node_load(323);
$wrapper = entity_metadata_wrapper('node', $node);
$wrapper->title = 'New title for the node';

It works for any property: title, fields, author, etc.

  • 1
    I guess the second line should be: $wrapper = entity_metadata_wrapper('node', $node); Commented Sep 24, 2011 at 7:29

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