| public _preview_filter ( mixed $original ) : mixed | ||
| $original | mixed | Old value. |
| return | mixed | New or old value. |
public function _preview_filter($original)
{
if (!$this->is_current_blog_previewed()) {
return $original;
}
$undefined = new stdClass();
// Symbol hack.
$post_value = $this->post_value($undefined);
if ($undefined !== $post_value) {
$value = $post_value;
} else {
/*
* Note that we don't use $original here because preview() will
* not add the filter in the first place if it has an initial value
* and there is no post value.
*/
$value = $this->default;
}
return $value;
}