/**
* Escape the value before output. Defaults to 'esc_attr()'
* @since 1.0.1
* @param mixed $meta_value Meta value
* @param mixed $func Escaping function (if not esc_attr())
* @return mixed Final value
*/
public static function esc($meta_value, $func = '')
{
$field = cmb_Meta_Box::$field;
// Check if the field has a registered escaping callback
$cb = cmb_Meta_Box::maybe_callback($field, 'escape_cb');
if (false === $cb) {
// If requesting NO escaping, return meta value
return $meta_value;
} elseif ($cb) {
// Ok, callback is good, let's run it.
return call_user_func($cb, $meta_value, $field);
}
// Or custom escaping filter can be used
$esc = apply_filters('cmb_types_esc_' . $field['type'], null, $meta_value, $field);
if (null !== $esc) {
return $esc;
}
// escaping function passed in?
$func = is_string($func) && !empty($func) ? $func : 'esc_attr';
$meta_value = !empty($meta_value) ? $meta_value : $field['default'];
return call_user_func($func, $meta_value);
}
