&lt;?phpprint_r &quot;Hello world&quot;?&gt;
A. Error
B. Hello World
C. Nothing
D. Missing semicolon error
Answer:A
&lt;?phpprint_r &quot;Hello world&quot;?&gt;
A. Error B. Hello World C. Nothing D. Missing semicolon error
Explanation: The statement should be print_r(‘Hello World’) to print Hello world. Also if there is only one line then there is no requirement of a semicolon, but it is better to use it.