temporary transformation (from string to array) so it can be traversable
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@ -1268,7 +1268,8 @@ class ExtraFields
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require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
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$data = $form->select_all_categories(Categorie::$MAP_ID_TO_CODE[$InfoFieldList[5]], '', 'parent', 64, $InfoFieldList[6], 1, 1);
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$out .= '<option value="0"> </option>';
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foreach ($data as $data_key => $data_value) {
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$dataArray = str_split($data); // as $data is not traversable as it's a string
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foreach ($dataArray as $data_key => $data_value) {
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$out .= '<option value="'.$data_key.'"';
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$out .= ($value == $data_key ? ' selected' : '');
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$out .= '>'.$data_value.'</option>';
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