_form_options_flatten
function _form_options_flatten
_form_options_flatten($array)
Iterates over an array and returns a flat array with duplicate keys removed.
This function also handles cases where objects are passed as array values.
Related topics
File
- includes/form.inc, line 2682
- Functions for form and batch generation and processing.
Code
function _form_options_flatten($array) { $return = &drupal_static(__FUNCTION__); foreach ($array as $key => $value) { if (is_object($value)) { _form_options_flatten($value->option); } elseif (is_array($value)) { _form_options_flatten($value); } else { $return[$key] = 1; } } return $return; }
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https://api.drupal.org/api/drupal/includes!form.inc/function/_form_options_flatten/7.x