&lt;?php$x = 4;$y = 3;$z = 1;echo &quot;$x = $x + $y + $z&quot;;?&gt;
A. 4 = 4 + 3 + 1
B. 8
C. 8 = 4 + 3 +1
D. Error
Answer:A
&lt;?php$x = 4;$y = 3;$z = 1;echo &quot;$x = $x + $y + $z&quot;;?&gt;
A. 4 = 4 + 3 + 1 B. 8 C. 8 = 4 + 3 +1 D. Error
Explanation: Again since the variables are inside double quotes we get this result.