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Helper function to find a form element by reference

/ Published in: PHP
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  1. /**
  2.  * Helper function to find a form element by reference.
  3.  */
  4. function _find_element(&$element, $element_name, &$form_element) {
  5.   if (isset($element[$element_name])) {
  6.     $form_element = $element[$element_name];
  7.     return TRUE;
  8.   }
  9.   else {
  10.     foreach ($element as $key => $value) {
  11.       if (is_array($element[$key])) {
  12.         $found = _find_element(&$element[$key], $element_name, &$form_element);
  13.         if ($found) {
  14.           return TRUE;
  15.         }
  16.       }
  17.     }
  18.   }
  19.   return FALSE;
  20. }

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