Which of the following stores PHP values, such as strings, numbers or arrays?

Which assigns a value of type string to variable $x?

If a string is enclosed in double-quotes, PHP will interpret more escape sequences for special characters such as

list — Assign variables as if they were an array

Which statement returns the number of characters in the string variable $a?

Which PHP math function would you use to return the number with the lowest value of two specified numbers?

What is $_REQUEST?

How can short tags be enabled in PHP?

By which delimiters are PHP scripts enclosed?

.... function delays execution of the current script for a specified number of seconds.

Which loop does not exist in PHP?