Populate the dropdown values from database


In the database, I have 2 columns ‘id’ and ‘city_name’ in ‘city_name’ I have 50 records I what all the city_name should populate in dropdown please suggest me with some solution

The dropdown values Canadacity and Canadacity2 is populating from the array in en_us.lang.php
but I need the values should come from the database
help me with these
Thank you.

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