/**
* Creates or returns an instance of this class.
* @since 1.0.0
* @return cmb_Meta_Box_Sanitize A single instance of this class.
*/
public static function get()
{
if (self::$instance === null) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Checks if field has a registered validation callback
* @since 1.0.1
* @param mixed $meta_value Meta value
* @param array $field Field config array
* @return mixed Possibly validated meta value
*/
public static function sanitization_cb($meta_value, $field = array())
{
if (empty($meta_value)) {
return $meta_value;
}
$field = $field !== array() ? $field : self::$field;
// Check if the field has a registered validation callback
$cb = self::maybe_callback($field, 'sanitization_cb');
if (false === $cb) {
// If requestion NO validation, return meta value
return $meta_value;
} elseif ($cb) {
// Ok, callback is good, let's run it.
return call_user_func($cb, $meta_value, $field);
}
// Validation via 'cmb_Meta_Box_Sanitize' (with fallback filter)
return call_user_func(array(cmb_Meta_Box_Sanitize::get(), $field['type']), $meta_value, $field);
}