3 Answers
The hosting service is Bluehost, as you recommended.
By the way, I’m now largely past the problem. I simplified your post-data.php program to just insert fixed strings like ‘123’ into 3 columns of the table, and that works fine, inserting new rows into the database. Tomorrow I’ll check to make sure it still works with different values in Post $DATA that are actually sent by your ESP32 program. I also got rid of the api_key check and the $value1 = test_input($_POST[“value1”]) stuff, just to be sure.
Thanks!