&lt;?php$x = 3, 4, 5, 6;echo &quot;$x&quot;;?&gt;
A. 3
B. 4
C. 6
D. Error
Answer:A
&lt;?php$x = 3, 4, 5, 6;echo &quot;$x&quot;;?&gt;
A. 3 B. 4 C. 6 D. Error
Explanation: In C you won’t get an error but in PHP you’ll get a syntax error.