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PHP Switch and Loops Quiz

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Questions and Answers

In PHP, which of the following is true about the switch statement?

There can be more than one default statement in a switch case.

The default statement in a switch case is optional. (correct)

Switch case must always end with the default statement.

The default statement is mandatory in every switch case.

What happens if more than one default statement is included in a PHP switch case?

It will ignore all default statements except the last one.

It will trigger a Fatal error. (correct)

It will prioritize the default statements based on their position in the code.

It will automatically select the first default statement.

What is the purpose of the 'break' statement in a PHP switch case?

To end the current loop and resume execution at the next iteration.

To exit the switch case once a matching condition is found. (correct)

To jump to a different part of the code based on a condition.

To unbind a variable from its current value.

Which of the following best describes the purpose of a 'case' statement in PHP?

To check if a condition is true and execute a block of code. Signup and view all the answers

When using a 'for' loop in PHP, what happens if the 'break' statement is encountered inside the loop?

It will terminate the loop immediately and resume execution after the loop. Signup and view all the answers

In PHP, which loop type is guaranteed to execute the block of code at least once?

do...while loop Signup and view all the answers

What makes nesting of switch statements in PHP a practice that should be approached with caution?

It results in a more complex and less readable program. Signup and view all the answers

When using a for loop in PHP, what does the loop counter value represent?

The value that the loop counter is initialized to Signup and view all the answers

What is the main advantage of PHP functions as mentioned in the text?

Condensing logic to make code shorter and more efficient. Signup and view all the answers

Which type of PHP function argument is used by default when passing information to a function?

Call by Value Signup and view all the answers

What is the primary purpose of the foreach loop in PHP?

To loop through a block of code for each element in an array or each property in an object. Signup and view all the answers

What is the primary purpose of a 'do...while' loop in PHP?

To execute a block of code at least once, and then continue to execute it as long as the specified condition is true Signup and view all the answers

When using a 'while' loop in PHP, what happens if the condition is initially false?

The loop is never executed Signup and view all the answers

What is the key difference between a 'for' loop and a 'foreach' loop in PHP?

'for' loops require specifying the number of iterations, while 'foreach' automatically iterates over all elements of an array. Signup and view all the answers

When should you use a 'switch' statement over nested 'if...else' statements in PHP?

When you need to evaluate multiple conditions and execute different blocks of code based on each condition Signup and view all the answers