&lt;?php       echo &quot;chr(52)&quot;;    ?&gt;
A. 1
B. 2
C. 3
D. 4
Answer:A
&lt;?php       echo &quot;chr(52)&quot;;    ?&gt;
A. 1 B. 2 C. 3 D. 4
Explanation: The chr() function returns a character from the specified ASCII value. Since the ASCII value of 4 is 52, thus 4 was displayed.