do_action( ‘wp_login’, string $user_login, WP_User $user )

User Contributed Notes

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   pixelandgrain 5 years ago

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   Sending a welcome email to first time logged in users.

   // callback function
   function wpdocs_send_welcome_email( $user_login, WP_User $user ) {
   
       // do not send email if user has already logged in once
       if ( current_user_can( 'administrator' ) || get_user_meta( $user->ID, 'wpdocs_welcome_email_sent', TRUE ) ) {
           return;
       }
   
       // send welcome email if logging in first time
       $message = str_replace(
           array( '%%firstname%%', '%%name%%', '%%sitename%%' ),
           array(
               $user->first_name,
               $user->data->user_login,
               get_bloginfo( 'name' ),
           ),
           get_option( 'welcome_message' )
       );
   
       // send email to user
       if ( wp_mail( $user->data->user_email, 'Welcome subject', $message ) ) {
           // update or add user meta if email sent successfully
           update_user_meta( $user->ID, 'wpdocs_welcome_email_sent', 1 );
       }
   
   }
   
   // action hook
   add_action( 'wp_login', 'wpdocs_send_welcome_email', 10, 2 );