1. MySQL

What function would you use on WP to query a table called 'wp_abc_users' and count the results from the database?

2. jQuery & AJAX

What function would you use on WP using jQuery and AJAX to insert this data for the radio field below to a table called 'wp_abc_users' with a column called 'subscriber' in the database?

3. Timezones

Convert this time which is based on UTC Time to a Los Angeles Time.
UTC = 2021-01-01 12:00:00
Los Angeles = 2021-01-01 04:00:00

4. Format

Format the Los Angeles time in English and the UTC Time in French.
UTC = vendredi 1 janvier 2021 à 12:00
Los Angeles = Friday, January 1, 2021 at 4:00 AM

5. Arrays

Find the real availibility for this user.
            SCHEDULE
Array ( [start] => 2022-01-12 01:00:00 [end] => 2022-01-12 20:00:00 )
            GOOGLE
Array ( [start] => 2022-01-12 02:00:00 [end] => 2022-01-12 04:00:00 )
            RESULT
Array ( [0] => Array ( [start] => 2022-01-12 01:00:00 [end] => 2022-01-12 02:00:00 ) [1] => Array ( [start] => 2022-01-12 04:00:00 [end] => 2022-01-12 20:00:00 ) )