which language construct can best represent the following series of if conditionals..., PHP Basics, Zend Certification

Test
- Model Test
Index

Question:Which language construct can best represent the following series of if conditionals?<?php
if($a == 'a') {
  somefunction();
} else if ($a == 'b') {
  anotherfunction();
} else if ($a == 'c') {
  dosomething();
} else {
  donothing();
}
?>

A A switch statement without a default case 
B A recursive function call 
C A while statement 
D It is the only representation of this logic 
E A switch statement using a default case

/32

+ AnswerE

+ ExplanationA series of if…else if code blocks checking for a single condition as above is a perfect place to use a switch statement:
Because there is a catch-all else condition, a default case must also be provided for that situation. Answer E is correct.

+ Report

Descriptive on PHP Basics Ebook

Total Preview: 659

Question:Which language construct can best represent the following series of if conditionals?<?php if($a == 'a') { somefunction(); } else if ($a == 'b') { anotherfunction(); } else if ($a == 'c') { dosomething(); } else { donothing(); } ?>

A A switch statement without a default case

B A recursive function call

C A while statement

D It is the only representation of this logic

E A switch statement using a default case

E

Question:Which language construct can best represent the following series of if conditionals?
<?php if($a == 'a') { somefunction(); } else if ($a == 'b') { anotherfunction(); } else if ($a == 'c') { dosomething(); } else { donothing(); } ?>