public function generate_dropdown($item_collection, $selected_value = '', $has_groups = false, $identifier = '', $multiple = false)
{
$selected_value_tmp = maybe_unserialize($selected_value);
if (is_string($selected_value_tmp)) {
$selected_value = array($selected_value);
} else {
$selected_value = $selected_value_tmp;
}
unset($selected_value_tmp);
if (is_array($item_collection) && count($item_collection) > 0) {
?>
<select name="<?php
_e(!empty($identifier) ? $identifier : '');
if ($multiple) {
?>
[]<?php
}
?>
" id="<?php
_e(!empty($identifier) ? $identifier : '');
?>
" <?php
if ($multiple) {
?>
multiple="multiple" style="width: 100%;"<?php
}
?>
><?php
if (!$has_groups) {
foreach ($item_collection as $key => $value) {
// $selected = $selected_value == $value ? 'selected="selected"' : '';
?>
<option value="<?php
_e($value);
?>
" <?php
_e(PostMetaManagerHelper::is_selected($selected_value, $value));
?>
><?php
_e($key);
?>
</option><?php
}
} else {
foreach ($item_collection as $group_name => $items) {
?>
<optgroup label="<?php
_e($group_name);
?>
"><?php
foreach ($items as $key => $value) {
// $selected = $selected_value == $value ? 'selected="selected"' : '';
?>
<option value="<?php
_e($value);
?>
" <?php
_e(PostMetaManagerHelper::is_selected($selected_value, $value));
?>
><?php
_e($key);
?>
</option><?php
}
?>
</optgroup><?php
}
}
?>
</select><?php
}
}
