&lt;?php$x = 4;$y = 3$z = 1;$z = $z + $x + $y;echo &quot;$z&quot;;?&gt;
A. $z
B. 15
C. 8
D. 1
Answer:A
&lt;?php$x = 4;$y = 3$z = 1;$z = $z + $x + $y;echo &quot;$z&quot;;?&gt;
A. $z B. 15 C. 8 D. 1
Explanation: Normal addition of variables x, y and z occurs and result of 8 will be displayed.