proper way to access a field value in drupal
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| <?php | |
| // Check if the value of a field is equal to the $pathway variable. | |
| $pathway = 'category 1'; | |
| try { | |
| if (arg(0) == 'node' && is_numeric(arg(1))) { | |
| $wrapper = entity_metadata_wrapper('node', arg(1)); | |
| if ($wrapper->field_FIELD_NAME->value()->name != $pathway) { | |
| return TRUE; | |
| } | |
| } | |
| } catch (Exception $e) { | |
| drupal_set_message($e->getMessage(), 'error'); | |
| } | |
| ?> |
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The down side to this approach is that once an error occurs, none of the other subsequent lines will be run. Therefore, if "field_name" does not exist but "field_date" does, none of the variables you intended to set will be set.