Page 284 - Computer Software Application TP - Volume 1
P. 284
COMPUTER SOFTWARE APPLICATION - CITS
EXERCISE 55 : Demonstrateon Creating and deleting a file,
Reading and writing text files, working with
directories in PHP, checking for existence
of file, determining file size, opening a file
for writing, reading, or appending, Writing
Data to the file Reading characters
Objectives
At the end of this exercise you shall be able to
• create and delete files/folders in server using PHP
• read and write text files using PHP
• determine file size and checking for existence of file using PHP.
Requirements
Tools/Materials
• PHP
• Computer/Laptop with latest configuration
• Operating system: windows 10 or 11 • Text editor
• Apache web server • Web browser
Procedure
TASK 1: Working with directories
I Creating a Directory
1 Open the text editor
2 Write the following codes
<html>
<body>
<?php
$directory_path = ‘example_directory’;
// Check if the directory doesn’t exist before attempting to create
if (!is_dir($directory_path))
{
// Create the directory with mkdir()
mkdir($directory_path);
echo “Directory created successfully: $directory_path”;
}
else
{
echo “Directory already exists: $directory_path”;
}
?>
</body>
</html>
3 Save the program in C:\Apache24\htdocs in a folder with .php extension
4 Run the Apache services from windows services
5 Open the browser and type the following address
http://localhost/foldername/
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CITS : IT & ITES - Computer Software Application - Exercise 54
