Question: Question 19 1 Point Assume you have a variable x whose value is the ID of a timer that execute as statement every 3 seconds.

Question 19 1 Point Assume you have a variable x whose value is the ID of a timer that execute as statement every 3 seconds. Which of the following is valid to stop the execution of the timer function? clearfimout(x): clearinterval(x): clearTimerx): D setinterval(x,-1 Question 20 In PHP, PDO API can be used for the following SQL database: A Oracle B MYSQL MS SQL Server D) All are true

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