Controls whether to send the default WordPress new user notifications when a user is created at checkout. By default, this is set to false and also checks our admin setting to adjust this filter on the Memberships > Settings > Email Settings admin page.

apply_filters('pmpro_wp_new_user_notification', bool true, $user_id, $level_id );

Parameters

return var

Returns true or false to send the new user notification for this $user_id; bool

$user_id

The ID of the user to send the email for.

$level_id

Level ID the user just got. (Need to send to filter.)

Source

File: https://github.com/strangerstudios/paid-memberships-pro/blob/master/preheaders/checkout.php