API@RTK0.NET

1. drupal
   1. 7

Helper function for form_options_flatten().

Iterates over arrays which may share common values and produces a flat array that has removed duplicate keys. Also handles cases where objects are passed as array values.

Related topics

Form generation

Functions to enable the processing and display of HTML forms.

Code

drupal/includes/form.inc, line 2423

<?php
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;
}
?>