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Different fields have different keys for the actual 'value' of the field. For example a regular text field has:

$node->field_my_text_field[$node->language]['value']

Whereas if I have a field using the email module, it looks like this:

$node->field_my_email_field[$node->language]['email']

I'm working on a function that saves a whole bunch of fields, and I want it to be as flexible as possible, it has a loop that looks like this:

foreach($person_details as $k=>$detail) { $node->{'field_'.$k}[$node->language][0]['value'] = $detail; }

This is no good at the moment since 'value' is hard coded, and I have some fields in there that use 'email' and a few others from various modules.

Is there any way to know in advance what the key should be?

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  • Many fields have more than one data column (image field for example), have you you thought about how you're going to handle those? Commented Nov 15, 2012 at 9:39

1 Answer 1

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My solution ended up being this:

$field_structure = field_info_field($field_name); $keys = array_keys($field_structure['storage']['details']['sql']['FIELD_LOAD_CURRENT']['field_data_'.$field_name]);

This gives an array of all the posible data columns for $field_name, where $field_name is something like 'field_my_field'.

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