File open modes in PHP - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to open a file for reading only.

PHP

<?php
$file = fopen('example.txt', '[1]');
?>

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

Aw

Br

Ca

Dx

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'w' which opens the file for writing and truncates it.

The mode 'r' opens the file for reading only.

2fill in blank

medium

Complete the code to open a file for writing and truncate it if it exists.

PHP

<?php
$file = fopen('example.txt', '[1]');
?>

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

Aw

Br+

Ca

Dr

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'a' which appends instead of truncating.

The mode 'w' opens the file for writing and truncates it if it exists.

3fill in blank

hard

Fix the error in the code to open a file for appending.

PHP

<?php
$file = fopen('example.txt', '[1]');
?>

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

Aw

Br

Ca

Dx

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'w' which overwrites the file instead of appending.

The mode 'a' opens the file for appending, writing data at the end.

4fill in blank

hard

Fill both blanks to open a file for reading and writing without truncating.

PHP

<?php
$file = fopen('example.txt', '[1][2]');
?>

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

Ar

B+

Cw

Da

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'w+' which truncates the file.

The mode 'r+' opens the file for reading and writing without truncating it.

5fill in blank

hard

Fill all three blanks to open a file for writing and reading, creating it if it doesn't exist.

PHP

<?php
$file = fopen('example.txt', '[1][2][3]');
?>

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

Ar

B+

Cw

Dx

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'r+' which does not create the file if missing.

The mode 'x+' opens the file for writing and reading, creates it if it doesn't exist.