Do-while loop execution model in PHP - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start a do-while loop in PHP.

PHP

<?php
do [1] {
    echo "Hello";
} while (false);

Drag options to blanks, or click blank then click option'

Awhile

Bdo

Cfor

Dforeach

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'while' instead of 'do' to start the loop.

Using 'for' or 'foreach' which are different loop types.

The do keyword starts a do-while loop in PHP.

2fill in blank

medium

Complete the code to correctly write the condition part of a do-while loop.

PHP

<?php
do {
    echo "Count: $i\n";
    $i++;
} while ([1] < 5);

Drag options to blanks, or click blank then click option'

A$i

B$count

C$j

D$num

Attempts:

3 left

💡 Hint

Common Mistakes

Using a variable not defined or incremented in the loop.

Using a variable that does not control the loop condition.

The variable $i is used in the loop and should be checked in the condition.

3fill in blank

hard

Fix the error in the do-while loop syntax by completing the missing part.

PHP

<?php
$i = 0;
do {
    echo $i . "\n";
    $i++;
} [1] ($i < 3);

Drag options to blanks, or click blank then click option'

Aif

Bdo

Cwhile

Dfor

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'do' again after the block instead of 'while'.

Using 'if' or 'for' which are not valid here.

The while keyword must follow the do-block to complete the do-while loop syntax.

4fill in blank

hard

Fill both blanks to create a do-while loop that prints numbers 1 to 3.

PHP

<?php
$i = 1;
do {
    echo $i . "\n";
    $i[1]1;
} [2] ($i <= 3);

Drag options to blanks, or click blank then click option'

A++

B--

Cwhile

Ddo

Attempts:

3 left

💡 Hint

Common Mistakes

Using '--' to decrement instead of increment.

Using 'do' instead of 'while' after the block.

The variable $i is incremented with ++, and the loop ends with while keyword.

5fill in blank

hard

Fill all three blanks to create a do-while loop that prints even numbers from 2 to 6.

PHP

<?php
$num = 2;
do {
    echo $num . "\n";
    $num [1] 2;
} [2] ($num [3] 8);

Drag options to blanks, or click blank then click option'

A+=

Bwhile

C<

D==

Attempts:

3 left

💡 Hint

Common Mistakes

Using '==' instead of '<' in the condition.

Using '+' instead of '+=' for increment.

The variable $num is increased by 2 using +=, the loop ends with while, and the condition checks if $num is less than 8.