&lt;?php$b = 1;switch&#40;print $b&#41;&#123;case 2:    print &quot;hello&quot;;    break;case 1:    print &quot;hi&quot;;    break;default:    print &quot;hi1&quot;;&#125;?&gt;
A. 1hello
B. 1hi
C. 1hi1
D. error
Answer:A
&lt;?php$b = 1;switch&#40;print $b&#41;&#123;case 2:    print &quot;hello&quot;;    break;case 1:    print &quot;hi&quot;;    break;default:    print &quot;hi1&quot;;&#125;?&gt;
A. 1hello B. 1hi C. 1hi1 D. error
Explanation: print returns 1,thus it gives case 1.