&lt;?php$x = 5;function fun&#40;&#41;&#123;    echo &quot;$x&quot;;&#125;fun&#40;&#41;;?&gt;
A. 0
B. 5
C. Nothing
D. Error
Answer:A
&lt;?php$x = 5;function fun&#40;&#41;&#123;    echo &quot;$x&quot;;&#125;fun&#40;&#41;;?&gt;
A. 0 B. 5 C. Nothing D. Error
Explanation: The variable x is not defined inside the function fun(), therefore nothing is printed on the screen.