&lt;?php $x = 75;$y = 25; function addition&#40;&#41;&#123;    $GLOBALS&#91;'z'&#93; = $GLOBALS&#91;'x'&#93; + $GLOBALS&#91;'y'&#93;;&#125;addition&#40;&#41;;echo $z;?&gt;
A. 100
B. error
C. 75
D. 25
Answer:A
&lt;?php $x = 75;$y = 25; function addition&#40;&#41;&#123;    $GLOBALS&#91;'z'&#93; = $GLOBALS&#91;'x'&#93; + $GLOBALS&#91;'y'&#93;;&#125;addition&#40;&#41;;echo $z;?&gt;
A. 100 B. error C. 75 D. 25
Explanation: z is a variable present within the $GLOBALS array, it is also accessible from outside the function!