Question

If there is no error, then what will the error() method return?

(a) TRUE

(b) FALSE

(c) Empty String

(d) 0

This question was posed to me by my college professor while I was bunking the class.

My doubt is from Working with Databases-1 in division Objects and Databases in PHP of PHP

Answer 1

Right choice is (c) Empty String

The best explanation: The function error is used to deal with error handling and logging. If there is no error, then the error() method will return an empty string.