PHP Multiple Choice Interview Questions and Answers on Functions Page2

Questions

6 In PHP which language construct is used to output one or more strings?

A print

B output

C echo

D show

View Answer Comment

Answer: Option [C]

7 In PHP which language construct is used to output only one strings?

A echo

B display

C print

D output

View Answer Comment

Answer: Option [C]

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8 Which function is used to determine whether a variable is empty or not?

A check()

B empty()

C determine()

D fill()

View Answer Comment

Answer: Option [B]

9 Which function is used to determine whether a variable is set or not?

A unset()

B isset()

C set()

D none of these above

View Answer Comment

Answer: Option [B]

10 What are the differences between include() and require()?

I. require generates a fatal error and stops the script

II. include produces a warning and continues the script

III. require produces warning and continues the script

IV. include generates a fatal error and stops the script

A Both (I) and (II) correct

B Both (II) and (III) correct

C Both (I) and (III) correct

D None of these above

View Answer Comment

Answer: Option [A]

During execution of a program when it failures require generates a fatal error and stop the script. In case of include() it produces a warning and continues the script.

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