&lt;?php$color = &quot;red&quot;;$color = &quot;green&quot;;echo &quot;$color&quot;;?&gt;
A. red
B. green
C. red green
D. error
Answer:A
&lt;?php$color = &quot;red&quot;;$color = &quot;green&quot;;echo &quot;$color&quot;;?&gt;
A. red B. green C. red green D. error
Explanation: The variable contains the last value which has been assigned.