apply_filters( 'wpto_form_tab_validation_[tab_name]', true, $post, $tab_array );

Tab validation default returns true.

Parameters #

Returns
(boolean) Default true
$tab
(Required) Require tab slug
$post
(WP_Post) Post object
$tab_array
Tabs list as array

Return #

(Boolean) Returns default true.

File Location #

admin/post_metabox_form.php