Implode and join in PHP - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to join array elements with a comma.

PHP

<?php
$array = ['apple', 'banana', 'cherry'];
$result = [1](',', $array);
echo $result;
?>

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

Aarray_merge

Bjoin

Cimplode

Dexplode

Attempts:

3 left

💡 Hint

Common Mistakes

Using explode which splits strings, not joins arrays.

The implode function joins array elements into a string using the specified separator.

2fill in blank

medium

Complete the code to join array elements with a space.

PHP

<?php
$words = ['Hello', 'world', '!'];
$text = [1](' ', $words);
echo $text;
?>

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

Aexplode

Bimplode

Cjoin

Darray_push

Attempts:

3 left

💡 Hint

Common Mistakes

Using explode which splits strings into arrays.

implode joins array elements into a string separated by the given string.

3fill in blank

hard

Fix the error in the code to correctly join array elements with a dash.

PHP

<?php
$parts = ['2024', '06', '15'];
$date = [1]('-', $parts);
echo $date;
?>

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

Aimplode

Bjoin

Cexplode

Darray_merge

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping the order of arguments in implode.

The implode function joins array elements into a string. Note the order: separator first, array second.

4fill in blank

hard

Complete the code to join array elements with a colon and assign to variable.

PHP

<?php
$time = ['12', '30', '45'];
$joined = [1](':', $time);
echo $joined;
?>

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

Aimplode

B:

C-

Djoin

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong separator or wrong function name.

Use implode with ':' as the separator to join the array elements.

5fill in blank

hard

Fill all three blanks to join array keys and values with '=' and pairs with '&'.

PHP

<?php
$params = ['name' => 'John', 'age' => 30];
$pairs = [];
foreach ($params as $key => $value) {
    $pairs[] = $key . '[1]' . $value;
}
$query = [2]('[3]', $pairs);
echo $query;
?>

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

A.

Bimplode

C&

D=

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong operators or wrong function order.

Use = to join key and value, implode to join pairs, and & as separator.