function _form_options_flatten
7.x form.inc | _form_options_flatten($array) |
Iterates over an array and returns a flat array with duplicate keys removed.
This function also handles cases where objects are passed as array values.
Related topics
1 call to _form_options_flatten()
- form_options_flatten in drupal-7.x/
includes/ form.inc - Allows PHP array processing of multiple select options with the same value.
1 string reference to '_form_options_flatten'
- form_options_flatten in drupal-7.x/
includes/ form.inc - Allows PHP array processing of multiple select options with the same value.
File
- drupal-7.x/
includes/ form.inc, line 2558 - Functions for form and batch generation and processing.
Code
function _form_options_flatten($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;
}