private function prepareSequentialArray(&$value)
{
foreach ($value as $index => $subvalue) {
if (is_object($subvalue) && !$subvalue instanceof Base) {
$value[$index] = new self($subvalue);
} elseif (is_array($subvalue)) {
if (array_is_sequential($subvalue)) {
$value[$index] = $this->prepareSequentialArray($subvalue);
}
}
}
return $value;
}
/**
* Re-order/re-index <optgroup> options.
*
* @param array $options The select tag options(all).
* @param array $subOptions The optgroup options.
*
* @return array
*/
protected function organizeOptions(array $options, array $subOptions)
{
$indexedOptions = [];
$convertedOptions = [];
// Build the re-indexed options array.
foreach ($options as $group) {
foreach ($group as $i => $value) {
// Check if sequential or not.
if (array_is_sequential($group)) {
// Int values - Reorder options so there are
// no duplicates.
array_push($indexedOptions, $value);
} else {
// Custom index or defined numeric indexes.
// Nothing to change.
$indexedOptions[$i] = $value;
}
}
}
// Grab the converted values and return them.
foreach ($indexedOptions as $index => $option) {
if (in_array($option, $subOptions)) {
$convertedOptions[$index] = $option;
}
}
return $convertedOptions;
}
