I have two extensions : Core where there all the common files and Wooster extension in Wordpress.
In Wooster extension I have WoosterPartnerSetup.php and in the Core WoosterSetup.php.
I am trying to to remove the onglet if there is only one but I want the onglet to appear if there are more than 2.

For my custom metabox fields I want create an error message by saving the post if they are empty .
Wordpress has a hook for creating notices admin_notices

i’m using a hook to send sms to customer phone and admin phone after form submit…
In user metadata i’d stored a radio button with “allow sms notification” , so the user can choose if receive them..
now.. the value stored is in array but…